Gregory S. Cordrey

Greg is a Partner in the Orange County office of Jeffer Mangels Butler & Mitchell LLP, where he is a member of the firm's Patent Litigation Group and Patent Trial and Appeal Board (PTAB).

In nearly three decades as a lawyer, Greg has focused on litigating patent infringement matters and other disputes involving complex technology, as well as representing patent owners and challengers before the PTAB.

Greg strives to litigate cases strategically with a view toward creative, and sometimes unconventional, approaches with the client's specific goal in mind. Critical to this approach is Greg’s ability to understand his client’s business and goals, especially as they may change over the course of a lawsuit. Victory often can take many forms. As Sun Tzu said, “Victorious warriors win first and then go to war, while defeated warriors go to war first and then seek to win.”

Greg has extensive experience with licensing intellectual property, including successfully negotiating hundreds of license agreements, and advising clients regarding their IP litigation and acquisition strategy.

He has litigated more than 300 patent cases in the patent office and throughout the United States, including in the Northern and Central Districts of California, and the Western and Eastern Districts of Texas. In addition, Greg has represented clients before the Court of Appeals for the Federal Circuit and PTAB. Greg's clients come from a wide variety of industries, including semiconductor and LCD manufacturing, computer software and accessories, medical devices, automotive, aircraft (avionics and interiors), and consumer products (packaging and paper products).

When not practicing law, Greg enjoys reading, skiing, traveling and attending sporting events with his wife and daughter. Before attending law school, Greg worked in aerospace as a flight test engineer.

Greg has been consistently recognized as an authority in IP law.

• Best Lawyers in America, Intellectual Property Litigation and Patent Litigation, 2010-2026
• Best Lawyers in America, Patent Litigation Lawyer of the Year in Orange County, 2017, 2019 & 2020
• Super Lawyers, Southern California, 2011-2026
• Super Lawyers, Rising Star, 2005-2007

• Lead counsel representing Therabody in numerous lawsuits asserting infringement of the company's utility and design patents as well as trade dress related to percussive massage devices and attachments. (2019-2022)
• Lead counsel representing Western Digital defending against a non-practicing entity's infringement allegations involving patents directed to electronic data transmission. The Court granted Western Digital's motion to dismiss for lack of patentable subject matter and held that the patents were invalid. Data Scape LLC v. Western Digital, et al., Case No. 8:18-cv-02285-DOC-KES (C.D. Cal. 2019). The decision was affirmed on appeal. 816 Fed. Appx 461 (Fed. Cir. 2020).
• Lead counsel on behalf of United Rentals (f/k/a BakerCorp) defending against a competitor's infringement allegations directed to vertical tanks used in oil and gas industries. The case dismissed with prejudice. Vertical Tank, Inc. v. BakerCorp, et al., Case No. 1-18-cv-00145 (E.D. Cal. 2018).
• Lead counsel representing Logitech defending against a non-practicing entity's infringement allegations involving patents directed at electronic communications using Bluetooth technology. The case was dismissed following invalidation of the asserted patent. Uniloc USA, Inc. v. Logitech Inc., et al., Case No. 5:18-cv-01304-LHK (N.D. Cal. 2018).
• Lead counsel representing Electronics for Imaging in a multi-jurisdictional declaratory judgment action of no infringement against a non-practicing entity's patents directed to color calibration software used in wide format printers. Electronics for Imaging, Inc. v. RAH Color Technologies LLP, Case No.3:18-cv-01612-WHO (N.D. Cal. 2018).
• Lead trial counsel for Innolux defending against a non-practicing entity's infringement allegations of six patents pertaining to fabrication of LCD Modules. The case was dismissed following Innolux's institution of seven IPRs on the asserted patents. Semiconductor Energy Laboratory Co. Ltd. v. Chimei Innolux Corporation, et. al., Case No. 8-12-cv-00021 (C.D. Cal. 2012-2013).

• Client’s patent claims deemed patentable. Lead counsel for patent owner defending the validity of patents directed to 3D graphical user interface. Apple Inc. v. SpaceTime3D, Inc., Case No. PTAB-IPR2023-00242 (P.T.A.B. Jun. 13, 2024)
• Competitor’s patent deemed invalid. Lead trial counsel for Edwards Lifesciences in challenging the validity of a patent directed to a transcatheter heart valve, which resulted in the challenged claims being held unpatentable. Edwards Lifesciences Corp. v. Bos. Sci. SciMed, Inc., Case No. IPR2017-00060, 2018 WL 1508704 (P.T.A.B. Mar. 23, 2018). The Federal Circuit affirmed the PTAB's decision. Boston Scientific Scimed, Inc. v. IANCU, Case No. No. 2018-2004, 811 Fed. Appx. 618 (May 6, 2020).
• Competitor’s patent deemed invalid. Lead trial counsel for Panasonic in challenging the validity of a patent directed to a computer interface device for transferring data, which resulted in the challenged claims being held unpatentable. Panasonic Corporation, et al. v. Papst Licensing GMBH & CO, KG (Case No. IPR2016-01223).
• Competitor’s patent deemed invalid. Lead trial counsel for Shimano in challenging the validity of a patent directed to the use of magnetic seals in fishing reels, which resulted in the challenged claims being held unpatentable. Shimano Inc. v. Globeride, Inc. (Case No. IPR2015-00273).