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-rw-r--r--synapse/rest/__init__.py1
-rw-r--r--synapse/rest/admin/__init__.py2
-rw-r--r--synapse/rest/admin/background_updates.py1
-rw-r--r--synapse/rest/admin/devices.py1
-rw-r--r--synapse/rest/admin/event_reports.py1
-rw-r--r--synapse/rest/admin/experimental_features.py1
-rw-r--r--synapse/rest/admin/federation.py1
-rw-r--r--synapse/rest/admin/media.py1
-rw-r--r--synapse/rest/admin/registration_tokens.py1
-rw-r--r--synapse/rest/admin/rooms.py1
-rw-r--r--synapse/rest/admin/statistics.py1
-rw-r--r--synapse/rest/admin/username_available.py1
-rw-r--r--synapse/rest/admin/users.py1
-rw-r--r--synapse/rest/client/__init__.py1
-rw-r--r--synapse/rest/client/_base.py1
-rw-r--r--synapse/rest/client/account.py2
-rw-r--r--synapse/rest/client/account_data.py1
-rw-r--r--synapse/rest/client/appservice_ping.py1
-rw-r--r--synapse/rest/client/auth.py1
-rw-r--r--synapse/rest/client/devices.py2
-rw-r--r--synapse/rest/client/directory.py1
-rw-r--r--synapse/rest/client/events.py1
-rw-r--r--synapse/rest/client/filter.py1
-rw-r--r--synapse/rest/client/initial_sync.py1
-rw-r--r--synapse/rest/client/keys.py2
-rw-r--r--synapse/rest/client/knock.py2
-rw-r--r--synapse/rest/client/login.py1
-rw-r--r--synapse/rest/client/login_token_request.py1
-rw-r--r--synapse/rest/client/logout.py1
-rw-r--r--synapse/rest/client/models.py1
-rw-r--r--synapse/rest/client/mutual_rooms.py1
-rw-r--r--synapse/rest/client/notifications.py1
-rw-r--r--synapse/rest/client/openid.py1
-rw-r--r--synapse/rest/client/password_policy.py1
-rw-r--r--synapse/rest/client/presence.py1
-rw-r--r--synapse/rest/client/profile.py1
-rw-r--r--synapse/rest/client/push_rule.py1
-rw-r--r--synapse/rest/client/pusher.py2
-rw-r--r--synapse/rest/client/read_marker.py1
-rw-r--r--synapse/rest/client/receipts.py1
-rw-r--r--synapse/rest/client/register.py2
-rw-r--r--synapse/rest/client/rendezvous.py1
-rw-r--r--synapse/rest/client/report_event.py1
-rw-r--r--synapse/rest/client/room.py1
-rw-r--r--synapse/rest/client/room_upgrade_rest_servlet.py1
-rw-r--r--synapse/rest/client/sendtodevice.py1
-rw-r--r--synapse/rest/client/sync.py1
-rw-r--r--synapse/rest/client/tags.py1
-rw-r--r--synapse/rest/client/thirdparty.py1
-rw-r--r--synapse/rest/client/tokenrefresh.py1
-rw-r--r--synapse/rest/client/transactions.py1
-rw-r--r--synapse/rest/client/user_directory.py1
-rw-r--r--synapse/rest/client/versions.py3
-rw-r--r--synapse/rest/client/voip.py1
-rw-r--r--synapse/rest/health.py1
-rw-r--r--synapse/rest/key/__init__.py1
-rw-r--r--synapse/rest/key/v2/__init__.py1
-rw-r--r--synapse/rest/key/v2/local_key_resource.py1
-rw-r--r--synapse/rest/key/v2/remote_key_resource.py1
-rw-r--r--synapse/rest/media/config_resource.py2
-rw-r--r--synapse/rest/media/create_resource.py1
-rw-r--r--synapse/rest/media/download_resource.py2
-rw-r--r--synapse/rest/media/media_repository_resource.py2
-rw-r--r--synapse/rest/media/preview_url_resource.py2
-rw-r--r--synapse/rest/media/thumbnail_resource.py2
-rw-r--r--synapse/rest/media/upload_resource.py2
-rw-r--r--synapse/rest/media/v1/__init__.py1
-rw-r--r--synapse/rest/media/v1/_base.py1
-rw-r--r--synapse/rest/media/v1/media_storage.py1
-rw-r--r--synapse/rest/media/v1/storage_provider.py1
-rw-r--r--synapse/rest/models.py1
-rw-r--r--synapse/rest/synapse/__init__.py1
-rw-r--r--synapse/rest/synapse/client/__init__.py1
-rw-r--r--synapse/rest/synapse/client/jwks.py1
-rw-r--r--synapse/rest/synapse/client/new_user_consent.py1
-rw-r--r--synapse/rest/synapse/client/oidc/__init__.py1
-rw-r--r--synapse/rest/synapse/client/oidc/backchannel_logout_resource.py1
-rw-r--r--synapse/rest/synapse/client/oidc/callback_resource.py1
-rw-r--r--synapse/rest/synapse/client/password_reset.py1
-rw-r--r--synapse/rest/synapse/client/pick_idp.py1
-rw-r--r--synapse/rest/synapse/client/pick_username.py1
-rw-r--r--synapse/rest/synapse/client/sso_register.py1
-rw-r--r--synapse/rest/synapse/client/unsubscribe.py1
83 files changed, 98 insertions, 0 deletions
diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py
index b0beec58b5..534dc0e276 100644
--- a/synapse/rest/__init__.py
+++ b/synapse/rest/__init__.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/__init__.py b/synapse/rest/admin/__init__.py
index fe0c421ca3..0e413f02ab 100644
--- a/synapse/rest/admin/__init__.py
+++ b/synapse/rest/admin/__init__.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020, 2021 The Matrix.org Foundation C.I.C.
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/background_updates.py b/synapse/rest/admin/background_updates.py
index dd7eaae89d..6fba616d3a 100644
--- a/synapse/rest/admin/background_updates.py
+++ b/synapse/rest/admin/background_updates.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2021 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/devices.py b/synapse/rest/admin/devices.py
index 2c650a7c77..449b066923 100644
--- a/synapse/rest/admin/devices.py
+++ b/synapse/rest/admin/devices.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 Dirk Klimpel
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/event_reports.py b/synapse/rest/admin/event_reports.py
index ed820ce15e..9fb68bfa46 100644
--- a/synapse/rest/admin/event_reports.py
+++ b/synapse/rest/admin/event_reports.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 Dirk Klimpel
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/experimental_features.py b/synapse/rest/admin/experimental_features.py
index 8124510826..52eb9e62db 100644
--- a/synapse/rest/admin/experimental_features.py
+++ b/synapse/rest/admin/experimental_features.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2023 The Matrix.org Foundation C.I.C
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/federation.py b/synapse/rest/admin/federation.py
index 76b4de756b..045153e0cb 100644
--- a/synapse/rest/admin/federation.py
+++ b/synapse/rest/admin/federation.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2021 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/media.py b/synapse/rest/admin/media.py
index 3589550f79..27f0808658 100644
--- a/synapse/rest/admin/media.py
+++ b/synapse/rest/admin/media.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/registration_tokens.py b/synapse/rest/admin/registration_tokens.py
index e47f204b4e..0867f7a51c 100644
--- a/synapse/rest/admin/registration_tokens.py
+++ b/synapse/rest/admin/registration_tokens.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2021 Callum Brown
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/rooms.py b/synapse/rest/admin/rooms.py
index 480e3bc9e5..4252f98a6c 100644
--- a/synapse/rest/admin/rooms.py
+++ b/synapse/rest/admin/rooms.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2019-2021 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/statistics.py b/synapse/rest/admin/statistics.py
index a2fd29e01a..832f20402e 100644
--- a/synapse/rest/admin/statistics.py
+++ b/synapse/rest/admin/statistics.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 Dirk Klimpel
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/username_available.py b/synapse/rest/admin/username_available.py
index 4675c7560d..2d642f7d6b 100644
--- a/synapse/rest/admin/username_available.py
+++ b/synapse/rest/admin/username_available.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2019 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/admin/users.py b/synapse/rest/admin/users.py
index ee73f0233d..0229e87f43 100644
--- a/synapse/rest/admin/users.py
+++ b/synapse/rest/admin/users.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2019 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/__init__.py b/synapse/rest/client/__init__.py
index 3d833a2e44..757cd54c5b 100644
--- a/synapse/rest/client/__init__.py
+++ b/synapse/rest/client/__init__.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/_base.py b/synapse/rest/client/_base.py
index df64ba5f76..93dec6375a 100644
--- a/synapse/rest/client/_base.py
+++ b/synapse/rest/client/_base.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/account.py b/synapse/rest/client/account.py
index 27aebd6d51..6ac07d354c 100644
--- a/synapse/rest/client/account.py
+++ b/synapse/rest/client/account.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2017 Vector Creations Ltd
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/account_data.py b/synapse/rest/client/account_data.py
index 1f8620cf7b..0cdc4cc4f7 100644
--- a/synapse/rest/client/account_data.py
+++ b/synapse/rest/client/account_data.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/appservice_ping.py b/synapse/rest/client/appservice_ping.py
index c59974279b..d6b4e32453 100644
--- a/synapse/rest/client/appservice_ping.py
+++ b/synapse/rest/client/appservice_ping.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2023 Tulir Asokan
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/auth.py b/synapse/rest/client/auth.py
index 2392ac593a..4221f35937 100644
--- a/synapse/rest/client/auth.py
+++ b/synapse/rest/client/auth.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/devices.py b/synapse/rest/client/devices.py
index 1ba8af472b..b1b803549e 100644
--- a/synapse/rest/client/devices.py
+++ b/synapse/rest/client/devices.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 The Matrix.org Foundation C.I.C.
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/directory.py b/synapse/rest/client/directory.py
index 18c37439aa..8099fdf3e4 100644
--- a/synapse/rest/client/directory.py
+++ b/synapse/rest/client/directory.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/events.py b/synapse/rest/client/events.py
index 2b0429110c..613890061e 100644
--- a/synapse/rest/client/events.py
+++ b/synapse/rest/client/events.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/filter.py b/synapse/rest/client/filter.py
index fd25e79018..f1e881975f 100644
--- a/synapse/rest/client/filter.py
+++ b/synapse/rest/client/filter.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/initial_sync.py b/synapse/rest/client/initial_sync.py
index 3ea9a30c7a..a2c50f5d58 100644
--- a/synapse/rest/client/initial_sync.py
+++ b/synapse/rest/client/initial_sync.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/keys.py b/synapse/rest/client/keys.py
index 296106394c..b6d9ee074a 100644
--- a/synapse/rest/client/keys.py
+++ b/synapse/rest/client/keys.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 The Matrix.org Foundation C.I.C.
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/knock.py b/synapse/rest/client/knock.py
index 5db34f9a08..ff52a9bf8c 100644
--- a/synapse/rest/client/knock.py
+++ b/synapse/rest/client/knock.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 The Matrix.org Foundation C.I.C.
+# Copyright 2020 Sorunome
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/login.py b/synapse/rest/client/login.py
index 00d511bc5b..ae691bcdba 100644
--- a/synapse/rest/client/login.py
+++ b/synapse/rest/client/login.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2021 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/login_token_request.py b/synapse/rest/client/login_token_request.py
index 9fa2b820ac..a053db8e55 100644
--- a/synapse/rest/client/login_token_request.py
+++ b/synapse/rest/client/login_token_request.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2022 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/logout.py b/synapse/rest/client/logout.py
index 1e87c9ae3c..e6b4a34d51 100644
--- a/synapse/rest/client/logout.py
+++ b/synapse/rest/client/logout.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/models.py b/synapse/rest/client/models.py
index b341fc7b8a..fc1aed2889 100644
--- a/synapse/rest/client/models.py
+++ b/synapse/rest/client/models.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2022 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/mutual_rooms.py b/synapse/rest/client/mutual_rooms.py
index 0e770a95ee..abb1fab0a3 100644
--- a/synapse/rest/client/mutual_rooms.py
+++ b/synapse/rest/client/mutual_rooms.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 Half-Shot
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/notifications.py b/synapse/rest/client/notifications.py
index ca37c1ad5d..be9b584748 100644
--- a/synapse/rest/client/notifications.py
+++ b/synapse/rest/client/notifications.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/openid.py b/synapse/rest/client/openid.py
index 41b78a71fa..a2c2faa199 100644
--- a/synapse/rest/client/openid.py
+++ b/synapse/rest/client/openid.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/password_policy.py b/synapse/rest/client/password_policy.py
index f50eeee869..7ec6dd3443 100644
--- a/synapse/rest/client/password_policy.py
+++ b/synapse/rest/client/password_policy.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2019 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/presence.py b/synapse/rest/client/presence.py
index 3dad05ed9b..572e92642c 100644
--- a/synapse/rest/client/presence.py
+++ b/synapse/rest/client/presence.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/profile.py b/synapse/rest/client/profile.py
index f99a119904..0323f6afa1 100644
--- a/synapse/rest/client/profile.py
+++ b/synapse/rest/client/profile.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/push_rule.py b/synapse/rest/client/push_rule.py
index fb418a2ce2..7d58611abb 100644
--- a/synapse/rest/client/push_rule.py
+++ b/synapse/rest/client/push_rule.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/pusher.py b/synapse/rest/client/pusher.py
index 71380bf387..9957d2fcbe 100644
--- a/synapse/rest/client/pusher.py
+++ b/synapse/rest/client/pusher.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2022 The Matrix.org Foundation C.I.C.
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/read_marker.py b/synapse/rest/client/read_marker.py
index 2a947ef191..d3d3c7c41d 100644
--- a/synapse/rest/client/read_marker.py
+++ b/synapse/rest/client/read_marker.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2017 Vector Creations Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/receipts.py b/synapse/rest/client/receipts.py
index f98d8a4702..89203dc45a 100644
--- a/synapse/rest/client/receipts.py
+++ b/synapse/rest/client/receipts.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/register.py b/synapse/rest/client/register.py
index b0c1ee44ef..634ebed2be 100644
--- a/synapse/rest/client/register.py
+++ b/synapse/rest/client/register.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2017 Vector Creations Ltd
+# Copyright 2015 - 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/rendezvous.py b/synapse/rest/client/rendezvous.py
index 4aa416b315..dee7c37ec5 100644
--- a/synapse/rest/client/rendezvous.py
+++ b/synapse/rest/client/rendezvous.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2022 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/report_event.py b/synapse/rest/client/report_event.py
index 8e2f872b47..447281931e 100644
--- a/synapse/rest/client/report_event.py
+++ b/synapse/rest/client/report_event.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py
index 0f3b18a6cf..65dedb8b92 100644
--- a/synapse/rest/client/room.py
+++ b/synapse/rest/client/room.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/room_upgrade_rest_servlet.py b/synapse/rest/client/room_upgrade_rest_servlet.py
index ef2900b487..130ae31619 100644
--- a/synapse/rest/client/room_upgrade_rest_servlet.py
+++ b/synapse/rest/client/room_upgrade_rest_servlet.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/sendtodevice.py b/synapse/rest/client/sendtodevice.py
index 73cd994ba4..2a67514560 100644
--- a/synapse/rest/client/sendtodevice.py
+++ b/synapse/rest/client/sendtodevice.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/sync.py b/synapse/rest/client/sync.py
index cbb0829da9..3af2b7dfd9 100644
--- a/synapse/rest/client/sync.py
+++ b/synapse/rest/client/sync.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/tags.py b/synapse/rest/client/tags.py
index 7f2d2af3bf..554bcb95dd 100644
--- a/synapse/rest/client/tags.py
+++ b/synapse/rest/client/tags.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/thirdparty.py b/synapse/rest/client/thirdparty.py
index dbd1806abf..f972591ebf 100644
--- a/synapse/rest/client/thirdparty.py
+++ b/synapse/rest/client/thirdparty.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/tokenrefresh.py b/synapse/rest/client/tokenrefresh.py
index 76199c7a76..2b4f7f8953 100644
--- a/synapse/rest/client/tokenrefresh.py
+++ b/synapse/rest/client/tokenrefresh.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/transactions.py b/synapse/rest/client/transactions.py
index c037e0cbaf..30c1f17fc6 100644
--- a/synapse/rest/client/transactions.py
+++ b/synapse/rest/client/transactions.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/user_directory.py b/synapse/rest/client/user_directory.py
index b54e293750..94fcb11c0c 100644
--- a/synapse/rest/client/user_directory.py
+++ b/synapse/rest/client/user_directory.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2017 Vector Creations Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/versions.py b/synapse/rest/client/versions.py
index 6bb9684e1c..32db274f32 100644
--- a/synapse/rest/client/versions.py
+++ b/synapse/rest/client/versions.py
@@ -1,6 +1,9 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2019 The Matrix.org Foundation C.I.C.
+# Copyright 2017 Vector Creations Ltd
+# Copyright 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/client/voip.py b/synapse/rest/client/voip.py
index 3449bc9e8d..fbed3a3bae 100644
--- a/synapse/rest/client/voip.py
+++ b/synapse/rest/client/voip.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/health.py b/synapse/rest/health.py
index cdf5136253..ae7cab7a2d 100644
--- a/synapse/rest/health.py
+++ b/synapse/rest/health.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/key/__init__.py b/synapse/rest/key/__init__.py
index 3d833a2e44..6a72062b0c 100644
--- a/synapse/rest/key/__init__.py
+++ b/synapse/rest/key/__init__.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/key/v2/__init__.py b/synapse/rest/key/v2/__init__.py
index e5c402a920..4ead0f9611 100644
--- a/synapse/rest/key/v2/__init__.py
+++ b/synapse/rest/key/v2/__init__.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/key/v2/local_key_resource.py b/synapse/rest/key/v2/local_key_resource.py
index e47cc21b6a..608da25a6c 100644
--- a/synapse/rest/key/v2/local_key_resource.py
+++ b/synapse/rest/key/v2/local_key_resource.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/key/v2/remote_key_resource.py b/synapse/rest/key/v2/remote_key_resource.py
index 7ef0676549..6afe4a7bcc 100644
--- a/synapse/rest/key/v2/remote_key_resource.py
+++ b/synapse/rest/key/v2/remote_key_resource.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2015, 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/config_resource.py b/synapse/rest/media/config_resource.py
index a8dfeb8bce..80462d65d3 100644
--- a/synapse/rest/media/config_resource.py
+++ b/synapse/rest/media/config_resource.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020-2021 The Matrix.org Foundation C.I.C.
+# Copyright 2018 Will Hunt <will@half-shot.uk>
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/create_resource.py b/synapse/rest/media/create_resource.py
index 46f090788f..e45df11c9f 100644
--- a/synapse/rest/media/create_resource.py
+++ b/synapse/rest/media/create_resource.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2023 Beeper Inc.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/download_resource.py b/synapse/rest/media/download_resource.py
index 530b6e155c..8ba723c8d4 100644
--- a/synapse/rest/media/download_resource.py
+++ b/synapse/rest/media/download_resource.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020-2021 The Matrix.org Foundation C.I.C.
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/media_repository_resource.py b/synapse/rest/media/media_repository_resource.py
index bb3e352a60..963b9de252 100644
--- a/synapse/rest/media/media_repository_resource.py
+++ b/synapse/rest/media/media_repository_resource.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2018-2021 The Matrix.org Foundation C.I.C.
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/preview_url_resource.py b/synapse/rest/media/preview_url_resource.py
index ac8c7ae095..6724986fcc 100644
--- a/synapse/rest/media/preview_url_resource.py
+++ b/synapse/rest/media/preview_url_resource.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020-2021 The Matrix.org Foundation C.I.C.
+# Copyright 2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/thumbnail_resource.py b/synapse/rest/media/thumbnail_resource.py
index faa5b715a2..7cb335c7c3 100644
--- a/synapse/rest/media/thumbnail_resource.py
+++ b/synapse/rest/media/thumbnail_resource.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020-2021 The Matrix.org Foundation C.I.C.
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/upload_resource.py b/synapse/rest/media/upload_resource.py
index 2847f3ae1f..5ef6bf8836 100644
--- a/synapse/rest/media/upload_resource.py
+++ b/synapse/rest/media/upload_resource.py
@@ -1,6 +1,8 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020-2021 The Matrix.org Foundation C.I.C.
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/v1/__init__.py b/synapse/rest/media/v1/__init__.py
index 742a3c9c73..cd7245f9e4 100644
--- a/synapse/rest/media/v1/__init__.py
+++ b/synapse/rest/media/v1/__init__.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2014-2016 OpenMarket Ltd
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/v1/_base.py b/synapse/rest/media/v1/_base.py
index f1e21642b6..0294cee42d 100644
--- a/synapse/rest/media/v1/_base.py
+++ b/synapse/rest/media/v1/_base.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2023 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/v1/media_storage.py b/synapse/rest/media/v1/media_storage.py
index c1b81eb3ea..e8ccf74489 100644
--- a/synapse/rest/media/v1/media_storage.py
+++ b/synapse/rest/media/v1/media_storage.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2023 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/media/v1/storage_provider.py b/synapse/rest/media/v1/storage_provider.py
index 85ad578725..20efceae80 100644
--- a/synapse/rest/media/v1/storage_provider.py
+++ b/synapse/rest/media/v1/storage_provider.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2023 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/models.py b/synapse/rest/models.py
index 9ae3f62b36..2b6f5ed35a 100644
--- a/synapse/rest/models.py
+++ b/synapse/rest/models.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2022 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/__init__.py b/synapse/rest/synapse/__init__.py
index 3d833a2e44..c9e59bca3a 100644
--- a/synapse/rest/synapse/__init__.py
+++ b/synapse/rest/synapse/__init__.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/__init__.py b/synapse/rest/synapse/client/__init__.py
index 64fc578d49..31544867d4 100644
--- a/synapse/rest/synapse/client/__init__.py
+++ b/synapse/rest/synapse/client/__init__.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2021 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/jwks.py b/synapse/rest/synapse/client/jwks.py
index 781c8fb1a3..5f581d3445 100644
--- a/synapse/rest/synapse/client/jwks.py
+++ b/synapse/rest/synapse/client/jwks.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2022 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/new_user_consent.py b/synapse/rest/synapse/client/new_user_consent.py
index 819d6c86b6..8b00b8c012 100644
--- a/synapse/rest/synapse/client/new_user_consent.py
+++ b/synapse/rest/synapse/client/new_user_consent.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2021 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/oidc/__init__.py b/synapse/rest/synapse/client/oidc/__init__.py
index 968caf19eb..eb01945f06 100644
--- a/synapse/rest/synapse/client/oidc/__init__.py
+++ b/synapse/rest/synapse/client/oidc/__init__.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 Quentin Gliech
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/oidc/backchannel_logout_resource.py b/synapse/rest/synapse/client/oidc/backchannel_logout_resource.py
index 245ba04d13..3f4cf16934 100644
--- a/synapse/rest/synapse/client/oidc/backchannel_logout_resource.py
+++ b/synapse/rest/synapse/client/oidc/backchannel_logout_resource.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2022 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/oidc/callback_resource.py b/synapse/rest/synapse/client/oidc/callback_resource.py
index 9eaa850e21..84077684d4 100644
--- a/synapse/rest/synapse/client/oidc/callback_resource.py
+++ b/synapse/rest/synapse/client/oidc/callback_resource.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 Quentin Gliech
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/password_reset.py b/synapse/rest/synapse/client/password_reset.py
index 671eae7c07..29e4b2d07a 100644
--- a/synapse/rest/synapse/client/password_reset.py
+++ b/synapse/rest/synapse/client/password_reset.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/pick_idp.py b/synapse/rest/synapse/client/pick_idp.py
index b21dca9071..f26929bd60 100644
--- a/synapse/rest/synapse/client/pick_idp.py
+++ b/synapse/rest/synapse/client/pick_idp.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2021 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/pick_username.py b/synapse/rest/synapse/client/pick_username.py
index d19f4cc5ee..e671774aeb 100644
--- a/synapse/rest/synapse/client/pick_username.py
+++ b/synapse/rest/synapse/client/pick_username.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2020 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/sso_register.py b/synapse/rest/synapse/client/sso_register.py
index 68d0d2d024..be562ad8dc 100644
--- a/synapse/rest/synapse/client/sso_register.py
+++ b/synapse/rest/synapse/client/sso_register.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2021 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify
diff --git a/synapse/rest/synapse/client/unsubscribe.py b/synapse/rest/synapse/client/unsubscribe.py
index 655621b391..6d4bd9f2ed 100644
--- a/synapse/rest/synapse/client/unsubscribe.py
+++ b/synapse/rest/synapse/client/unsubscribe.py
@@ -1,6 +1,7 @@
 #
 # This file is licensed under the Affero General Public License (AGPL) version 3.
 #
+# Copyright 2022 The Matrix.org Foundation C.I.C.
 # Copyright (C) 2023 New Vector, Ltd
 #
 # This program is free software: you can redistribute it and/or modify