diff --git a/public/arf.json b/public/arf.json
index 41bb41b..5d19b8d 100644
--- a/public/arf.json
+++ b/public/arf.json
@@ -3503,7 +3503,7 @@
       {
         "name": "US Patent Office Search",
         "type": "url",
-        "url": "http://patft.uspto.gov/netahtml/PTO/index.html"
+        "url": "https://www.uspto.gov/patents/search"
       },
       {
         "name": "Google Patent Search",