by Matthew Johnson | Aug 19, 2019 | Petitions, Trial Institution
By Levent Herguner and Matt Johnson In a recent decision, the PTAB decided to institute inter partes review (“IPR”) of U.S. Patent No. 7,937,394 B2 despite Patent Owner’s claims that Petitioner engaged in gamesmanship and asserted references and combinations that were...
by Matthew Johnson | Nov 30, 2018 | Petitions
By Sue Gerber and Matt Johnson The PTAB has discretion to deny “follow-on” petitions that challenge the validity of a patent that has been previously subjected to inter partes review. See 35 U.S.C. § 314(a); Gen. Plastic Indus. Co. Ltd. v. Canon Kabushiki Kaisha,...
by Carl Kukkonen | Nov 26, 2018 | Estoppel, Petitions
By Jocelyn Yu Ph.D. and Carl Kukkonen Assignor estoppel is a long-established, common-law doctrine of equity, which prevents a party who assigns a patent to another from later challenging the validity of the assigned patent. The doctrine also applies to parties in...
by David Cochran | Jun 11, 2018 | Petitions, PTAB Trial Basics
By: Jason Garr and Dave Cochran The recent PTAB order in IPR2017-01427 is a cautionary tale for petitioners considering multiple IPRs against a single patent. On May 11, 2017, Facebook and WhatsApp filed the ’1427 IPR petition challenging claims 1-8 of U.S. Patent...
by John Marlott | Oct 19, 2017 | Petitions
By John Marlott Serial IPR or CBM petitions challenging the same patent claims have been a recurring issue for the PTAB. On October 18, 2017, the PTAB designated as precedential a portion of a decision by an expanded panel that addressed this issue in General Plastic...
by Jones Day's PTAB Team | Dec 6, 2016 | Evidentiary Issues, Final Written Decisions, Petitions
By Jennifer Chheda, Ph.D. and Cary Miller, Ph.D. On November 14, 2016, the PTAB issued a Final Written Decision upholding Paragon Bioteck, Inc.’s patent, U.S. Patent No. 8,859,623 B1 (the “’623 patent”), relating to a method of using an ophthalmic composition for...
