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 lack thereof) when multiple parties file multiple, substantially similar petitions challenging a patent’s patentability.

1) The

Earlier this month, in the precedential decision M & K Holdings v. Samsung Electronics Co., the Court of Appeals for the Federal Circuit (“the CAFC”) upheld the Patent Trial and Appeal Board (“the Board”) in finding certain references qualified as printed publications. However, the CAFC found the Board erred in finding that a challenged

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

Last month, in January 2021, the United States Patent and Trademark Office (“USPTO”) published a memorandum (the “January 2021 Memorandum”) clarifying how it will analyze claims for indefiniteness in AIA post-grant proceedings before the Patent Trial and Appeal Board (“PTAB”), namely patented claims in PGRs and CBMs and proposed substitute claims in IPRs.  Prior to

In Kannuu Pty Ltd. v. Samsung Electronics Co., Ltd., No 19-civ-4297 (S.D.N.Y Jan. 19, 2021), the parties’ forum selection clause in their non-disclosure agreement did not prevent Samsung Electronics Co., Ltd. (“Samsung”) from challenging Kannuu Pty, Ltd.’s (“Kannuu”) patent in an IPR proceeding.  The court held IPR petitions did not fall within the scope

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

Moderna, one of the global leaders in developing a safe and effective vaccine to combat COVID-19, appears poised to get through clinical trials with a vaccine that is based on mRNA technology. As was recently announced, Pfizer demonstrated a 90% effectiveness with its vaccine, which is also based on mRNA technology. If all stays on

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