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.


  • R.J. Reynolds wins major patent dispute at ITC involving tobacco heating and vaping productsJones Day's client Reynolds prevailed against competitors Philip Morris Products S.A. ("Philip Morris") and Altria Client Services LLC ("Altria") in a patent infringement dispute before the International Trade Commission (ITC) involving tobacco heating and vaping products.