Daniel O'Boyle


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Daniel O’Boyle is a skilled litigator specializing in intellectual property and technology law. Daniel regularly represents pharmaceutical manufacturers and chemical companies in patent litigation matters, among other intellectual property issues.

Daniel understands the complex nature of intellectual property law and vigilantly defends his clients’ research and development so that they may protect their brands and competitive positions in their industries.

Honors & Awards

  • Recognized by The Legal 500 US for Healtchare: Life Sciences (2020)


Bar Admissions

  • New York

Court Admissions

  • US District Court, Eastern and Southern Districts of New York
  • US Court of Appeals, Federal Circuit


  • Boston University, J.D.
  • Pennsylvania State University, B.S., Biology

Professional Activities


  • “Solving the mystery of the patent dance,” Life Sciences Intellectual Property Review (May 2016)


  • “What Can Medical Biotechnology Learn from Patent Litigation in Industrial and Agricultural Biotech?” Bio IP Counsels Committee Conference (November 14-16, 2018)
  • “A Closer Look at Dispositive Motions: An In-Depth Discussion of Summary Judgment and Declaratory Judgments Motions for Brand Names and Generics,” ACI's 12th Annual Paragraph IV Disputes Conference (April 2018)


  • Honorable Judge Cohn Jubelirer, Pennsylvania Commonwealth Court 


  • New York Intellectual Property Law Association, New York State Bar Association 
  • Represented international pharmaceutical company against multiple generic challengers on patents related to treatment of HIV
  • Represented pharmaceutical company in inter partes review relating to breast cancer treatment
  • Represented international pharmaceutical company against multiple generic challengers on patents related to breast cancer treatment
  • Represented international biotechnology trade organization in amicus briefing in the Federal Circuit
  • Represented international biotechnology company on issues of biosimilars and inter partes review