diff --git a/gpl-lgpl.tex b/gpl-lgpl.tex
index ab1476813f1c056ff889db966dc3ca7b6949aee1..291998ef638919e808f8293224e8a8d3860c1194 100644
--- a/gpl-lgpl.tex
+++ b/gpl-lgpl.tex
@@ -3836,14 +3836,26 @@ GPLv3~\S11\P3  makes this clear by defining ``patent
 license,'' for purposes of the subsequent three paragraphs, as ``any express
 agreement or commitment, however denominated, not to enforce a patent
 (such as an express permission to practice a patent or covenant not to
-sue for patent infringement)''
-
-The definition does not include patent licenses that arise by
-implication or operation of law, because the third through fifth paragraphs
-of section 11 are specifically concerned with explicit promises that purport
-to be legally enforceable. The final paragraph of section 11 explicitly
+sue for patent infringement)''.
+
+``Express'', as used GPLv3~\S11\P3, is a term often used in legal writing as
+an antonym to ``implied''.  Thus, GPLv3's definition of ``patent license''
+does not include those patent licenses which arise by
+implication or operation of law\footnote{FIXME: explain this}.
+Instead, GPLv3~\S11\P3--5 are specifically concerned with explicit promises
+that are purportedly legally enforceable.
+
+Nevertheless, unlike traditional commercial patent licensing
+agreements\footnote{FIXME: note such a clause is rare, if not unique.},
+rather than confining the patent license grant to some narrow set of such
+express situations, GPLv3 preserves the
+\hyperref[gpl-implied-patent-grant]{existing implied patent licensing structure}
+found in GPLv2.  Specifically, the final paragraph of GPLv3~\S11 explicitly
 preserves the availability of patent licenses arising by implication or
-operation of law.
+operation of law.  GPLv3~\S11's final paragraph dissuades potential
+misinterpretation disparity between GPLv2 and GPLv3 --- namely, that some
+might argue an explicit patent license would otherwise cause any implied
+patent license to evaporate.
 
 GPLv3~\S11\P5 is commonly called GPLv3's downstream shielding provision.  It
 responds particularly to the problem of exclusive deals between patent
