Let’s Do Something About the Unauthorized Doctrine of Non-Statutory Judicially Created Obviousness-Type Double Patenting

In a June 20, 2022, article on IPWatchdog, I addressed a portion of the June 8, 2022, letter from Senators Leahy, Blumenthal, Klobuchar, Cornyn, Collins and Braun  to U.S. Patent and Trademark Office (USPTO) Director Kathi Vidal requesting the USPTO to issue a notice of rulemaking or request for comments in the Federal Register by September 1, 2022, on curbing continuation practice as a means to address “patent thickets.”  As of the date of this article, the USPTO has not issued the notice. In this article, I, along with co-author Anthony Prosser, address the other issue raised in the Senators’ June 8 letter—whether elimination of terminal disclaimers that “allow” patents to issue that are “obvious variations of each other” would increase patent quality and whether patents that are tied by a terminal disclaimer should be considered an admission of obviousness and stand or fall together in litigation.Read More