In Shoes by Firebug LLC v. Stride Rite Children’s Group, LLC, the Federal Circuit held that the same preamble limits the scope of the claims in one patent, but does not limit the scope of the claims in another patent.

Shoes by Firebug LLC (“Firebug”) owns two U.S. patents – U.S. Patent 8,992,038 (“the

In 2017, Cytonome filed suit in the Western District of Wisconsin (“the District Court”), accusing ABS of infringing six of its patents, including US Patent No. 8,529,161 (“the ’161 patent”). Subsequently, in October 2017, ABS filed for inter partes review (“IPR”) of the ’161 patent, and the Patent Trial and Appeal Board (“the Board”) issued

In 2017, Twitter, Inc. (“Twitter”) filed two petitions requesting inter parties review (“IPR”) of U.S. Patent No. 9,083,997 (“the ’997 patent”), with the first petition directed to claims 1-19 and the second petition directed to claims 20-35. The Patent Trial and Appeal Board (“the Board”) issued two substantially similar Final Written Decisions (IPR2017-00829, IPR2017-00830) that

In In re: Google Technology Holdings LLC, No. 2019-1828 (Fed. Cir. Nov. 13, 2020), the Federal Circuit elaborated on the policies underlying waiver and forfeiture of appellate arguments.  Ultimately, the court affirmed the Patent Trial and Appeal Board’s (“the Board”) obviousness rejections of the claims at issue because Google had forfeited the arguments it

The Federal Circuit reconfirmed its interpretation of the IPR joinder rules of 35 U.S.C. § 315(c) after the panel’s rehearing in Facebook, Inc. v. Windy City Innovations, LLC, No. 2018-1400, 2020 WL 5267975 (Fed. Cir. Sept. 4, 2020).  Appellant Facebook, Inc. had filed a combined request for panel rehearing and rehearing en banc.  The

Last week, Microsoft got tripped up at oral argument on the blocking and tackling of IPR practice:  making sure your prior art is prior art.

The specific error was eminently avoidable, though perhaps also eminently understandable. Under Federal Circuit law, a reference generally does not count as prior art unless it was “indexed.” (Think Dewey

On June 18, 2020, the Federal Circuit granted JHO Intellectual Property Holdings, LLC’s (“JHO”) motion to vacate the PTAB’s final written decision and remand the case in light of the court’s decision in Arthrex. In an ex parte reexamination proceeding, the PTAB denied JHO’s request for rehearing of its decision affirming the Examiner’s rejections