Hall, Bronwyn H.; Graham, Stuart J.H; Harhoff, Dietmar; … - 2021
The recent surge in U.S. patenting and expansion of patentable subject matter has increased patent office backlogs and …. At the same time patent litigation and its costs are rising. This paper explores the potential of a post-grant review … process modeled on the European opposition system to improve patent quality, reveal overlooked prior art, and reduce …