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Addison O’Donnell

Partner

Addison O’Donnell is an attorney licensed to practice law in New York, New Jersey, the U.S. District Court for the District of New Jersey, and the Supreme Court of the United States. Addison chiefly concentrates his practice on appellate advocacy for New York Workers’ Compensation defense matters before the Administrative Review Division of the New York State Workers’ Compensation Board, the State of New York Supreme Court, Appellate Division (including the First, Second, Third, and Fourth Judicial Departments), and the New York State Court of Appeals. Addison also occasionally engages in appellate advocacy for New Jersey Workers’ Compensation defense.

Addison’s experience prior to Lois Law Firm, included NJ Transit, the Federal Communications Commission’s Public Safety and Homeland Security Bureau in Washington, D.C., and the United States Department of Commerce’s International Trade Administration. Before embarking on a career in law, Addison worked as a theatre producer and writer in New York.

In January 2025, Addison was appointed as Adjunct Professor of Law at New York Law School in New York City, where he teaches Advanced Appellate Advocacy to upper-level law students.

  • Curriculum Vitae
  • Decisions

Education

  • Syracuse University, College of Law, Juris Doctor (2018)
  • Pace University, Lubin School of Business, Bachelor of Business Administration (2014)

Bar Admissions

  • State of New York (2019)
  • State of New Jersey (2019)

Court Admissions

  • Supreme Court of the United States (2025)
  • United States District Court for the District of New Jersey (2021)

Professional Activities

  • Adjunct Professor of Law, New York Law School (2025—Present)
  • New York State Bar Association: Torts, Insurance, Compensation Law (TICL), Workers Compensation Division Committee Member (2022-present)
  • LOIS Law Firm Mock Trial Competition, Overall Winner - Attorney (2021)
  • Guest Lecturer, Pace University, Lubin School of Business (2015-present)

Honors

  • Member of the Rooftop Writers Initiative (Merrily We Roll Along, Broadway Revival, 2024)
  • Honorary Order of the Barristers (New York Law School’s 133rd Commencement, 2025)
  • CALI Award for Excellence in Legal Communications and Research

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