Graham, Stuart J.H.; Harhoff, Dietmar - In: Research Policy 43 (2014) 9, pp. 1649-1659
This article assesses the impact in the US of adopting a patent post-grant review (PGR) procedure similar to one provided in the America Invents Act (AIA) of 2011. We employ novel methods for matching US patents to their European counterparts to find that opposition rates are about three times...
