Margaret O'Boyle


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Margaret O’Boyle is an accomplished litigator who focuses on complex intellectual property litigation with a particular emphasis on representing clients in the technology, pharmaceutical, biological, biotechnology, and chemical arts industries. She assists clients with patent litigation under the Hatch-Waxman Act, inter partes review proceedings before the Patent Trial and Appeal Board and Federal Circuit Appeals, and patent validity opinions.

Margaret effectively litigates on her clients’ behalf by applying her knowledge of the relevant laws and sciences impacting their matters while keeping their overall business goals in mind.

Honors & Awards

  • Super Lawyers, Rising Star, New York (2017, 2018, 2019)


Bar Admissions

  • Connecticut
  • New York

Court Admissions

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


  • University of Connecticut, J.D.: Executive Editor, University of Connecticut Public Interest Law Journal
  • Emory University, B.S., Neuroscience and Behavioral Biology

Professional Activities


  • Honorable Judge Lois Bloom, United States Magistrate, Eastern District of New York (Summer 2008)


  • American Intellectual Property Law Association
  • Intellectual Property Owners Association


  • “Gender Pay Gaps” White Paper, Intellectual Property Owners Association (October 24, 2018)
  • “Vague Feedback” White Paper and Presentation Materials, Intellectual Property Owners Association (May 2017)


  • “Expanding the Eligibility Requirements to Foster Inclusion and Innovation in the U.S. Patent System,” Intellectual Property Owners Association (April 28, 2021)
  • “Recent IP Litigation Updates: Cracking Down on Patent Trolls” at O’Melveny & Myers’s Annual CLE Marathon (October 21, 2015)
  • “Abbreviated New Drug Application (ANDA) with Paragraph IV Certification: Critical Insights in 2015” The Knowledge Group/The Knowledge Congress Live Webcast Series (August 25, 2015)
  • “The Old Girls’ Network: Exploring Which Women’s Initiatives Are Working to Create and Sustain a Robust Life Sciences Network” at American Conference Institute’s 2nd Annual Conference on Women Leaders in Life Sciences Law (July 23, 2015)
  • Representing a major manufacturer of water sports boats in patent litigation involving wake-surfing technology (E.D. Tenn)
  • Defended international consumer electronics company in district court action alleging patent infringement relating to touchscreen and touchscreen controller technology (W.D. Tex.); secured favorable settlement agreement
  • Defended international consumer electronics company against claim of patent infringement relating to image processing technology (E.D. Tex.); secured favorable settlement agreement
  • Represented innovator pharmaceutical company in multiple litigations against nine generic companies on chemical compound and formulation patents related to a drug marketed for the treatment of multiple myeloma (D. Del.); secured favorable District Court decision and Rule 36 Federal Circuit affirmance against one defendant, and secured favorable settlement agreements with all other defendants
  • Represented innovator pharmaceutical company and university in multiple cases against generic companies in ANDA litigations on patents related to anti-HIV treatment (S.D.N.Y.); secured favorable settlement agreements