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Jonathan Tuminaro, Ph.D.

Jonathan Tuminaro, Ph.D.

Jonathan Tuminaro, Ph.D., is a director in Sterne Kessler’s Trial & Appellate and Electronics Practice Groups. He focuses his practice on patent litigation at the International Trade Commission, the U.S. district courts, and the Patent Trials and Appeals Board (PTAB). Jonathan is an experienced litigator who has examined witnesses at trial, argued motions before judges, drafted briefs before the Federal Circuit, and tried dozens of cases before the PTAB. He regularly represents clients in electrical, software, medical, mechanical, and chemical arts. Since 2015, Jonathan has been selected to the Washington, DC "Rising Stars" list in IP litigation by Super Lawyers

Jonathan is a contributing author of Patent Office Litigation, Second Edition, published in 2017. He co-authored a chapter on the interplay between PTAB proceedings and investigations at the International Trade Commission. Jonathan is also a contributing author of Evidence in Patent Cases (Bloomberg, 2018). He co-authored the chapter on “Evidence Issues in Investigations at the United States International Trade Commission.” In addition to these book chapters, Jonathan regularly publishes and speaks regarding issues at the PTAB and the International Trade Commission.

Before becoming a practicing attorney, Jonathan received his Bachelor’s degree in physics and mathematics from Canisius College, and was a member of the ’95-’96 Men’s Basketball team that won the Metro Atlantic Athletic Conference Tournament and earned an automatic bid to the NCAA Division I Men’s Basketball Tournament. He then went on to earn a Master’s degree and a Ph.D. in physics from the University of Maryland. He received his J.D. from George Mason University.


  • Super Lawyers, "Rising Star - Washington D.C." (2018-2015)

Representative Matters

Representative ITC Matters:
  • Certain Road Construction Machines & Components Thereof, Inv. No. 337-TA-1088 (representing respondents in a patent suit relating to road-milling machines and pavers and screeds) (International Trade Commission)
  • Certain Road Milling Machines & Components Thereof, Inv. No. 337-TA-1067 (representing complainant in a patent suit relating to road-milling machines) (International Trade Commission)
  • Certain Basketball Backboard Components & Products Containing the Same, Inv. No. 337-TA-1040 (representing complainant in a patent suit relating to recreational basketball backboards) (International Trade Commission)
  • Certain Radio Frequency Identification (“RFID”) Products and Components Thereof, Inv. No. 337-TA-979 (representing complainant in a patent suit relating to RFID technology) (International Trade Commission)
  • Certain Antivenom Compositions and Products Containing the Same, Inv. No. 337-TA-903 (represented certain respondents in a patent suit regarding snake antivenom) (International Trade Commission)
  • Certain Wireless Communications Base Stations and Components Thereof, Inv. No. 337-TA-871 (represented complainant regarding 4G LTE wireless-communication technology) (International Trade Commission)
Representative PTAB Matters:
  • Google LLC v. AGIS Software Development, LLC, IPR2018-01079, IPR2018-01080,  IPR2018-01081, IPR2018-01082, IPR2018-01083, IPR2018-01084, IPR2018-01085, IPR2018-01086, IPR2018-01087, IPR2018-01088 (representing petitioner in multiple IPRs relating to information sharing between mobile devices) (PTAB)
  • Telebrands Corp. v. Tinnus Enterprises, LLC, PGR2016-00030, PGR2016-00031, PGR2017-00015, PGR2017-00024, PGR2017-00040, PGR2017-00051, PGR2017-00052 (represented patent owner in multiple post-grant review petitions relating to a toy balloon apparatus) (PTAB)
  • Tricklestar LLC v. Embertec Pty. Ltd., IPR2016-01336 & IPR2017-00839 (representing patent owner relating to 2 IPR petitions) (PTAB)
  • Ford Motor Co. v. Versata Development Group, Inc., IPR2016-01012, IPR2016-01013, IPR2016-01014, IPR2016-01015, IPR2016-01016, IPR2016-01017, IPR2016-01019, IPR2017-00144, IPR2017-00146, IPR2017-00147, IPR2017-00148, IPR2017-00149, IPR2017-00150, IPR2017-00151 (represented patent owner relating to 14 IPR petitions; the PTAB denied institution on all 14 IPR petitions) (PTAB)
  • LG Electronics, Inc. v. ATI Techs. ULC, IPR2015-00325, -00326, and -00327 (represented patent owner in IPRs relating to graphics-processing technology) (PTAB)
  • Advanced Micro Devices, Inc. v. LG Electronics, IPR2015-01409 (represented petitioner in an IPR relating to power management in a computing system) (PTAB)
  • Fujitsu Network Communications, Inc. v. Capella Photonics, Inc., IPR2015-00726 & -00727 (representing patent owner in IPRs relating to wavelength-selective switches in optical fiber networks) (PTAB)
Representative District Court Matters:
  • TRUSTID, Inc. v. Next Caller, Inc., 18-cv-00172-LPS-CJB (representing plaintiff regarding claims of patent infringement, trade-secret misappropriation, false advertising, and tortious interference with economic advantage) (D. Del.)
  • MiiCs & Partners America, LLC et al. v. Funai Electric Co., Ltd. et al. (representing defendants in litigation regarding LCD flat-panel televisions) (D. Del.)
  • Galderma Labs. Inc. v. Amneal Pharms., LLC (represented defendant in Hatch-Waxman litigation regarding an oral-dosage form for treating rosacea) (D. Del)
  • 3M Innovative Props. Co. v. EnvisionWare, Inc. (represented defendant in patent litigation over library-automation equipment) (D. Minn)
  • Nilssen v. Osram Sylvania, Inc. (provided litigation support for defendant in patent litigation in which eleven of plaintiff’s patents were found unenforceable due to inequitable conduct) (N.D. Ill.)

Past Events

Contact Information

Phone Number


George Mason University School of Law
University of Maryland
University of Maryland
Physics and Mathematics
Canisius College
magna cum laude


District of Columbia
U.S. Court of Appeals for the Federal Circuit
U.S. District Court for the District of Columbia
United States Patent & Trademark Office