diff --git a/COPYING b/COPYING
index 3167a00f..f4159e67 100644
--- a/COPYING
+++ b/COPYING
@@ -37,8 +37,8 @@ specified at:
 Xiph.Org Foundation:
 https://datatracker.ietf.org/ipr/1524/
 
-Skype Limited:
-https://datatracker.ietf.org/ipr/1602/
+Microsoft Corporation:
+https://datatracker.ietf.org/ipr/1914/
 
 Broadcom Corporation:
 https://datatracker.ietf.org/ipr/1526/
diff --git a/LICENSE_PLEASE_READ.txt b/LICENSE_PLEASE_READ.txt
index dfdd158c..bc88efa6 100644
--- a/LICENSE_PLEASE_READ.txt
+++ b/LICENSE_PLEASE_READ.txt
@@ -12,6 +12,9 @@ patent licensing details:
 Xiph.Org Foundation:
 https://datatracker.ietf.org/ipr/1524/
 
+Microsoft Corporation:
+https://datatracker.ietf.org/ipr/1914/
+
 Skype Limited:
 https://datatracker.ietf.org/ipr/1602/