Estoppel Doctrine in China's Patent System
Uniloc 2017, LLC v. Facebook, Inc., Case No. 19-1688 (Fed. Cir. March 9, 2021) - The Federal Circuit has further clarified the scope of what types of PTAB decisions are appealable under 35 U.S.C. § 314(d). In Uniloc 2017 v....more
Earlier this month, in the precedential decision Uniloc 2017 LLC v. Facebook Inc., the Court of Appeals for the Federal Circuit (“the CAFC”) upheld the Patent Trial and Appeal Board (“the Board”) on the issue of estoppel (or...more
On March 9, 2021, the Federal Circuit affirmed several inter partes review (IPR) decisions of the Patent Trial and Appeal Board (PTAB) related to the estoppel provision 35 U.S.C. § 315(e)(1). Uniloc 2017 LLC v. Facebook Inc....more
Network-1 sued HP, among others, for patent infringement. Another defendant then filed an inter partes review (IPR) petition. Following institution, HP filed its own petition on different grounds and a motion to join the...more
In a relatively quiet third quarter of 2020, the Federal Circuit decided issues on joinder, estoppel, claim preclusion, and importantly, upheld the Patent Trial and Appeal Board process finding that cancellation of patent...more
In Network-1 Technologies, Inc. v. Hewlett-Packard Company, the Federal Circuit vacated and remanded the district court’s holding that joinder petitioner Hewlett Packard (“HP”) (1) could have tried to raise new grounds in its...more
The PTAB Strategies and Insights newsletter provides timely updates and insights into how best to handle proceedings at the USPTO. It is designed to increase return on investment for all stakeholders looking at the entire...more
In Network-1 Techs., Inc. v. Hewlett-Packard, No. 18-2338, the Federal Circuit reversed and vacated multiple aspects of the district court’s final judgment holding that Hewlett-Packard (HP) did not infringe U.S. Patent No....more
A magistrate judge in the Eastern District of Texas recommended in Network-1 Technologies, Inc. v. Alcatel-Lucent USA, Inc. Case No. 6:11-cv-492 (E.D.Tex. September 25, 2017) that Hewlett-Packard (“HP”) should be estopped...more
A Surprise Move Designed to Shield Patents from IPR - On September 8, 2017, Allergan announced that it had assigned its patents covering Restasis®, a dry eye treatment with a reported $1.4B in sales last year, to the Saint...more
The PTAB denied Apple’s motion to withdraw both its IPR petition and concurrent motion for joinder to prevent Apple from circumventing potential estoppel ramifications in Apple Inc. v. Papst Licensing GmbH & Co. KG,...more
In Parallel Networks Licensing, LLC v. International Business Machines Corporation, No. 1:13-cv-02072, Dkt. No. 366 (D. Del. Feb. 22, 2017) (Slip Op.), the court held IBM was estopped from asserting obviousness under §103...more
When inter partes review (IPR) proceedings became effective in September 2012, few people would have predicted the transformative effect it would have on patents and the litigation landscape. Three years in, IPR has become...more