Estoppel Doctrine in China's Patent System
The availability of post-grant proceedings at the Patent Trial and Appeal Board (PTAB) has changed the face of patent litigation. This monthly digest is designed to keep you up-to-date by highlighting interesting PTAB,...more
In 2018, the U.S. Court of Appeals for the Federal Circuit docketed close to 600 appeals from the U.S. Patent and Trademark Office (USPTO). That is the second highest number since starting to hear post-American Invents Act...more
While the House Judiciary Committee conducts hearings today on "The Impact of Bad Patents on American Businesses," a movement is afoot in the Senate to revitalize the U.S. patent system. On June 21, 2017, a bipartisan group...more
Withdrawal of Claims During Prosecution Can Trigger Prosecution History Estoppel In UCB, Inc. v. Yeda Research and Development Co., Ltd., Appeal No. 2015-1957, the Federal Circuit held that prosecution estoppel can apply even...more
The US Court of Appeals for the Federal Circuit held that appellate review is not permissible for Patent Trial and Appeal Board (PTAB or Board) rulings on time-bar of an inter partes review (IPR) petition under § 315(b) or on...more