diff --git a/templates/404.html b/templates/404.html
index c7571b7..55b174d 100644
--- a/templates/404.html
+++ b/templates/404.html
@@ -148,7 +148,7 @@
 
 
       <p class="pt-5 pb-2 text-center">
-        <small>Copyright &copy; <span id="copyright_year"></span>, M-Labs. All Rights Reserved.</small>
+        <small>Copyright &copy; <span id="copyright_year"></span>, M-Labs. All rights reserved. ARTIQ, the ARTIQ logo, Migen and nMigen are registered or unregistered trademarks.</small>
       </p>
 
     </footer>
diff --git a/templates/_base.html b/templates/_base.html
index 7524a9b..25d1e49 100644
--- a/templates/_base.html
+++ b/templates/_base.html
@@ -154,7 +154,7 @@
       {% endblock %}
 
       <p class="pt-4 pb-2 text-center">
-        <small>Copyright &copy; <span id="copyright_year"></span>, M-Labs. All Rights Reserved.</small>
+        <small>Copyright &copy; <span id="copyright_year"></span>, M-Labs. All rights reserved. ARTIQ, the ARTIQ logo, Migen and nMigen are registered or unregistered trademarks.</small>
       </p>
 
       {% block fcopyright %}