• Wesleyan University (B.A., 2001) 
  • Georgetown University Law Center  
    (J.D., 2004)


  • District of Columbia and Pennsylvania
  • United States Supreme Court
  • United States Court of Appeals for the Eighth Circuit
  • United States District Court for the District of Columbia


James M. Sullivan has litigated a wide range of matters before state and federal courts across the country, including the United States Supreme Court, a number of U.S. Circuit Courts, and various federal and state trial courts.  His experience includes writing trial and appellate briefs, taking expert and fact witness depositions, and participating in all aspects of trial preparation.  Mr. Sullivan also has experience evaluating environmental, products liability, and other litigation exposure for potential corporate acquisitions.  He has extensive experience with multidistrict litigation, mass tort proceedings, class actions, Daubert issues, punitive damages, choice-of-law, federal preemption, and civil and appellate procedure in general.  He also has experience in the Firm’s environmental practice, including with issues arising under the Clean Air Act and Clean Water Act.  

Mr. Sullivan is an active member of The Sedona Conference working groups regarding eDiscovery, protective orders, and confidentiality.  In addition to his eDiscovery experience with the Firm, Mr. Sullivan has completed intensive advanced training programs in eDiscovery, including Georgetown Law’s eDiscovery Training Academy and The Sedona Conference’s eDiscovery Negotiation Training program.  Through his continued involvement with The Sedona Conference and other entities such as the Georgetown University Advanced eDiscovery Institute and LegalTech, he also stays current on developments in legal technology and discovery procedure.

Mr. Sullivan presently works primarily on litigation involving FDA-approved products and on environmental matters the Firm is handling. He also is active as co-chair of the Firm’s pro bono program in which he has experience with a diverse group of representations, including immigration, Social Security Disability, and child custody matters.

Mr. Sullivan joined the Firm following a clerkship with the Honorable Myron H. Bright of the United States Court of Appeals for the Eighth Circuit.  During his clerkship, he worked on cases on appeal before the Sixth Circuit, Eighth Circuit, and Ninth Circuit.  Mr. Sullivan previously served as law clerk to the Honorable Leonard N. Zito of the Court of Common Pleas of Northampton County, Pennsylvania.  In his combined experience prior to and with Hollingsworth LLP, he has participated in more than twenty jury trials, numerous bench trials, and in over a hundred appeals.

Mr. Sullivan is recognized in the 2018 Washington, DC edition of Super Lawyers as a Rising Star.  He served as Managing Editor of the Georgetown Journal on Poverty Law & Policy.  He remains active with Georgetown University Law Center, including as a J.D. admissions interviewer.  He reports on significant appellate jurisdiction and procedure cases from the District of Columbia Circuit and Federal Circuit as Regional Editor of Certworthy (the newsletter of the DRI Appellate Advocacy Committee).  As a former player, Mr. Sullivan also serves as an alumni mentor to student athletes on the Wesleyan University football team.

Associations & Affiliations

  • Defense Research Institute (DRI)
  • District of Columbia Bar E-Discovery Committee
  • Wesleyan Lawyers Association


  • Drafting an Effective Statement of Undisputed Facts
  • Preserving Foreign Privacy Law Objections
  • Managing Appeals in Multidistrict Litigation

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Hollingsworth LLP represents Monsanto in In Re:Roundup Products Liability Litigation in the Northern District of California.