Jonathan Cox focuses his practice on intellectual property litigation. He counsels prominent technology and life-sciences companies involved in global patent disputes and assists clients with patent litigation in federal district courts and in Section 337 investigations before the United States International Trade Commission (ITC).

Mr. Cox has assisted clients with patent cases and related litigation featuring a variety of technologies, including microprocessor design and fabrication, telecommunications standards, antennas, transceivers, cryptography, pulse oximeters, video codecs, laser-driven light sources and smart utility meters. He has also represented life-sciences innovators in litigation involving alleged infringement and licensing issues, including cases involving antiretrovirals for prevention of HIV infection, ferric citrate treatments for anemia and hyperphosphatemia, and cancer therapies based on the PD-1/PD-L1 pathway. He has also litigated cases at the intersection of antitrust and patent law, including by developing and presenting public interest arguments in ITC investigations involving competition issues.  

Mr. Cox has also assisted clients with appellate disputes, including before the United States Courts of Appeals for the First, Second and Federal Circuits, as well as the Massachusetts Supreme Judicial Court. For example, he argued a criminal appeal to a panel of the First Circuit on behalf of a defendant whom he represented under the Criminal Justice Act. 

Mr. Cox is also committed to pro bono work. He currently represents a certified class of immigrants with final orders of removal and their US-citizen spouses, who are challenging ICE’s detention and deportation practices in New England for those immigrants seeking “provisional waivers” as part of their efforts to become lawful permanent residents. As part of that litigation, Mr. Cox successfully argued at a hearing in federal district court that ICE had deprived one petitioner of her procedural due process rights by failing to follow regulations governing immigrant detention decisions. Shortly after the court ruled that ICE had violated the Constitution, the government agreed to release the petitioner from custody.

In 2019, Mr. Cox served as a Special Assistant District Attorney in the Middlesex District Attorney’s Office, where he was responsible for prosecuting several hundred criminal cases in Somerville District Court. During his six-month rotation, Mr. Cox first-chaired 13 jury and bench trials, securing guilty verdicts for a variety of offenses.

Prior to joining the firm, Mr. Cox clerked for the Honorable Mark L. Wolf of the United States District Court for the District of Massachusetts. During law school, he was an executive editor of the Harvard Law Review and served as a law clerk for Bay Area Legal Aid in San Jose, California.


  • Recent Legislation, Leahy-Smith America Invents Act, Pub. L. No. 112-29, 125 Stat. 284 (2011), 125 HARV. L. REV. 1290 (2012) 

Insights & News


  • Education

    • JD, Harvard Law School, 2013

      cum laude Executive Editor, Harvard Law Review
    • AB, Harvard College, 2010

      magna cum laude
  • Admissions

    • Massachusetts

  • Clerkships

    • The Hon. Mark L. Wolf, US District Court for the District of Massachusetts, 2013 - 2014



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