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Gregory A. Castanias (Greg)
Partner

Contact

(T) +1.202.879.3639
(F) +1.202.626.1700

Education

  • Indiana University Bloomington (J.D. summa cum laude 1990; Order of the Coif; Order of Barristers; Law Journal); Wabash College (A.B. summa cum laude 1987 with distinction in English; Honor Scholar; George Lewes Mackintosh Fellow)

Bar Admissions

  • Virginia and District of Columbia

Clerkships

  • Law Clerk to Judge George C. Pratt, United States Court of Appeals, Second Circuit (1991-1992)

Greg Castanias, head of Jones Day's Federal Circuit team, has almost 30 years' experience as a leading appellate and intellectual property litigator. His experience includes several Supreme Court arguments, 60-plus Federal Circuit arguments, and countless others in federal and state courts across the nation, from Alaska to Connecticut.

His intellectual property experience includes patents in such diverse technologies as genetics, diagnostics, pharmaceuticals, chemistry, electronics, and mechanical fields, as well as copyright, trademark, and trade secret disputes. Greg also has significant experience in state tax disputes before the U.S. Supreme Court and state appellate courts.

A "Trailblazer and Pioneer" in intellectual property law (The National Law Journal), and an IP and Life Sciences "Star," Greg has been "instrumental in driving the firm's standout appellate practice" (IAM Patent 1000). He also has been called "a sharp and effective advocate who picks up the details of the matter quickly" and "a great issue-spotter and skilled advocate" (Legal 500), with "an instinctual feel for the art of persuasion before the Federal Circuit, where he is highly respected" (IAM Patent 1000).

Greg is the lead author of Federal Appellate Practice and Procedure (West Publishing 2d ed. 2017) and is adjunct Professor of Law at Indiana University's Maurer School of Law, where he teaches Appellate Practice and Procedure and Federal Circuit Advocacy.

In recent years, Greg has represented clients such as Abbott, Avid, Celgene, DePuy Spine, DIRECTV, Fenwal, Google, Histogen, Huawei, IBM, Intersil, LabCorp, Limited Brands, MathWorks, Merial, Myriad Genetics, Pfizer, Procter & Gamble, Purdue Pharma, SanDisk, SAS Institute, Sinochem, and Transocean.


Honors & Distinctions

  • Chambers — recognized practitioner, appellate (2014)

    National Law Journal "IP Trailblazer and Pioneer" (2014)

    Best Lawyers in America — appellate practice (2015-2017)

    IP Stars (2013-2017)

    Legal 500 — leading appellate and intellectual property lawyers (2007-2013, 2017)

    Washington DC Super Lawyers (2009-2016)

    IAM Patent 1000 — world's leading patent practitioners (2014-2017)

    LMG Life Sciences "Star" (2012-2017)

    Law360 "Intellectual Property MVP" (2012)

    Fastcase 50 ("the law's smartest, most courageous innovators, techies, visionaries, and leaders") (2012)
Gregory Castanias Greg