Skip to main content

Jocelyn Wiesner's practice focuses on complex product liability and mass tort actions. She has experience defending major pharmaceutical and medical device companies against personal injury claims in state and federal court, including early case assessment, dispositive motions, fact and expert discovery, and depositions. She has argued multiple dispositive and discovery motions in state and federal court, including a Daubert motion in a federal multidistrict litigation. In addition to her work in mass tort actions, Jocelyn represents health care industry clients in consumer fraud class action litigation, where she recently obtained a denial of class certification under Rule 23(c)(4).

Jocelyn also counsels multinational companies on a variety of issues, including litigation risks, U.S. Food and Drug Administration (FDA) regulatory issues, and compliance under the Foreign Corrupt Practices Act and other anti-corruption laws, where she works primarily to coordinate internal investigations.

Jocelyn maintains an active pro bono practice. She has acted as Special Victim's Counsel in multiple military court martial proceedings, where she was able to obtain special courtroom accommodations for child victims and witnesses. She also represents criminal defendants in DC Superior Court.

Jocelyn graduated with highest honors from George Washington University School of Law in 2012, where she served as a member of the editorial board for the Law Review and was elected to the Order of the Coif. During law school Jocelyn interned with both the U.S. Attorney's Office for the District of Columbia and the Department of Justice's Commercial Litigation - Fraud Section. She earned her undergraduate degree in Biology and Sociology from Providence College in 2007.


  • Fortune 500 company, as lead associate on small trial team. Represented company in breach of contract case in the Eastern District of Virginia.
  • Bristol-Myers Squibb and Sanofi as counsel in the Plavix product liability litigation and state deceptive practices claims.
  • Hologic in medical device product liability cases and counseling.
  • Cynosure in medical device consumer litigation and counseling.
  • Large manufacturer, as counsel, in investigating whistleblower allegations of corrupt payments in operations in India. Represented company in voluntary disclosures to the U.S. Securities and Exchange Commission and the U.S. Department of Justice. Facilitated global compliance review of operations in other locations in Asia.


Best Lawyers
"Ones to Watch" Product Liability Litigation: Defendants (DC) (2023-2024)
"Ones to Watch" Personal Injury Litigation: Defendants (DC) (2023-2024)
"Ones to Watch" Mass Tort Litigation / Class Actions: Defendants (DC) (2023-2024)
The Legal 500 US
Product Liability, Mass Tort and Class Action: Pharmaceuticals and Medical Devices — Defense (2022)



  • B.S., Biology, Providence College, 2007
  • B.A., Sociology, Providence College, 2007
  • J.D., The George Washington University Law School, 2012, highest honors


  • District of Columbia
  • New York
  • U.S. District Court, District of Columbia
  • U.S. District Court, Eastern District of Michigan
  • U.S. Court of Appeals for the Fourth Circuit