Jonathan McNealSmith


Los Angeles +

Jonathan McNeal Smith represents clients in technical and high-stakes litigation, focusing primarily on patent infringement litigation in federal courts. His cases have involved a variety of technologies, including medical devices, semiconductors, digital cameras, complementary metal oxide semiconductor (CMOS) image sensors, DVD and Blu-ray authoring technologies, software, and oil exploration.

Jonathan has experience in all phases of patent litigation. He has played significant roles in multiple federal jury trials, prepared witnesses for trial and depositions, argued various issues in open court, taken and defended expert and fact depositions, authored many briefs, including case-dispositive motions, and managed all aspects of discovery.

Prior to joining Jones Day, Jonathan was part of the trial team representing Nikon Corporation that, within a five-month period, won two significant jury verdicts in the Central District of California, defeating all patent infringement allegations by Carl Zeiss AG and ASML Netherlands B.V.


  • NXP enforces semiconductor patents against MediaTek at ITCJones Day represents NXP Semiconductors N.V. et al. as plaintiff/complainant in a patent infringement dispute against competitor MediaTek Inc. et al. before the International Trade Commission (ITC) and the United States District Court for the Central District of California.
  • Epson counter-files DJ action of non-infringement in Central District of California against NPEJones Day is representing Epson America, Inc. (a subsidiary of Seiko Epson Corp.) in a declaratory judgment action filed in the Central District of California seeking a declaration of non-infringement of four patents owned by American Patents LLC, a non-practicing entity (NPE).
  • R.J. Reynolds successfully enforces patents in ITC trial against Philip Morris in dispute over cigarette alternativeJones Day's client Reynolds achieved a precedent-setting victory before the International Trade Commission (ITC) against its main competitors Philip Morris Products S.A. ("Philip Morris") and Altria Client Services LLC ("Altria") in a patent infringement dispute involving tobacco heating and vaping products.
  • Merck unit resolves DJ action involving pneumococcal vaccine patentsJones Day represented Merck Sharp & Dohme Corp. in an action in Delaware district court against Pfizer (through its subsidiaries including Wyeth, LLC) involving several patents on Wyeth’s vaccine technology.
  • NXP litigates against competitor in an 18-patent suit directed to RFID technologyJones Day is representing NXP USA Inc. in a patent infringement lawsuit against its competitor Impinj, Inc. in the Western District of Texas.
  • NXP sues Impinj for infringing six patents relating to RFID and wafer-layout technologyJones Day is representing NXP USA, Inc. and NXP B.V. in their enforcement of six radio frequency identification ("RFID") and wafer-layout patents against Impinj, Inc.