diff --git a/NOTICE b/NOTICE
index 3ab8631..f79d280 100644
--- a/NOTICE
+++ b/NOTICE
@@ -4,5 +4,5 @@ Copyright 2026 Daniel Parke
 Licensed under the Apache License, Version 2.0.
 See LICENSE for the full license text.
 
-Trademarks: Patter, PatterOS, PatterTech, and related marks are
+Trademarks: Patter, PatterOS, PatterStage, PatterTech, and related marks are
 not licensed under Apache 2.0. See TRADEMARK.md.
diff --git a/TRADEMARK.md b/TRADEMARK.md
index 0601eee..efbf3db 100644
--- a/TRADEMARK.md
+++ b/TRADEMARK.md
@@ -8,6 +8,7 @@ The following are reserved and may not be used in a way that suggests affiliatio
 
 - **Patter**
 - **PatterOS**
+- **PatterStage**
 - **PatterTech**
 - Any name following the pattern **Patter\*** in a project, product, distribution, domain, or marketing name