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diff --git a/openpower/sv/SimpleV_rationale.mdwn b/openpower/sv/SimpleV_rationale.mdwn
index 6a36c57658153c9d5f3e57cf5e012ff146ba0379..17a783f014df08b2f9f0eee3c878d6c882476c92 100644 (file)
--- a/openpower/sv/SimpleV_rationale.mdwn
+++ b/openpower/sv/SimpleV_rationale.mdwn
@@ -167,6 +167,9 @@ candidates for further advancement are:
 * RISC-V, touted as "Open" but actually strictly controlled under
   Trademark License: too new to have adequate patent pool protection,
   as evidenced by multiple adopters having been hit by patent lawsuits.
+  (Agreements between RISC-V *Members* to not engage in patent litigation
+   does nothing to stop third party patents that *legitimately pre-date*
+   the newly-created RISC-V ISA)
 * MIPS, SPARC, ARC, and others, simply have no viable ecosystem.
 * Power ISA: protected by IBM's extensive patent portfolio for Members
   of the OpenPOWER Foundation, covered by Trademarks, permitting