diff --git a/test/diff/_ipr_search__patent_info_search=31415&option=patent_info_search b/test/diff/_ipr_search__patent_info_search=31415&option=patent_info_search
new file mode 100644
index 000000000..dfee893cc
--- /dev/null
+++ b/test/diff/_ipr_search__patent_info_search=31415&option=patent_info_search
@@ -0,0 +1,6 @@
+--- https://datatracker.ietf.org/public/ipr_search.cgi?option=patent_info_search&patent_info_search=31415 
++++ /ipr/search/?patent_info_search=31415&option=patent_info_search 
+@@ -1,0 +1,1 @@
++IPR Disclosure Page
+@@ -2,0 +3,2 @@
++IPR Search Main Page
\ No newline at end of file
diff --git a/test/diff/_ipr_search__patent_info_search=abc&option=patent_info_search b/test/diff/_ipr_search__patent_info_search=abc&option=patent_info_search
new file mode 100644
index 000000000..4bd66584e
--- /dev/null
+++ b/test/diff/_ipr_search__patent_info_search=abc&option=patent_info_search
@@ -0,0 +1,6 @@
+--- https://datatracker.ietf.org/public/ipr_search.cgi?option=patent_info_search&patent_info_search=abc 
++++ /ipr/search/?patent_info_search=abc&option=patent_info_search 
+@@ -3,2 +3,2 @@
+-The search string must contain at lease one digit
+-Please send problem reports to ietf-action@ietf.org.
++The search string must contain at least one digit
\ No newline at end of file