diff --git a/chapter-hsms/chapter.tex b/chapter-hsms/chapter.tex
index 0313f77..96b9f56 100644
--- a/chapter-hsms/chapter.tex
+++ b/chapter-hsms/chapter.tex
@@ -134,6 +134,9 @@ improves its security against tampering. Furthermore, both the glue fusing the f
 mesh is embedded inside after installation are clearly co-designed with the carbon trace material such that the trace
 material adheres well to both, leading to the traces being destroyed when either are peeled off.
 
+The design of these IBM/Gore meshes is documented in an extensive list of patents, mostly under IBM's name.
+% FIXME list actual patents as citations or table.
+
 \subsection{Tamper-sensing Mesh Monitoring}
 
 \subsection{Other Tamper Sensing Techniques}