Sean C. McDonagh

McDonagh Sean

Sean McDonagh's practice is focused on life sciences intellectual property diligence, counseling, and licensing. Sean has led IP investigations of pipeline and marketed products, start-ups, and large corporations for acquisitions and transactions of all sizes, including multi-billion-dollar deals involving pharmaceuticals, biopharmaceuticals, and medical devices. He also has significant experience in patent prosecution, litigation, and post-grant proceedings.


Representative Clients

  • The Broad Institute
  • Gilead
  • Allergan
  • Novartis
  • Royalty Pharma




  • J.D. New York University 2011
  • M.S. Physiology University of Toronto 2006
  • B.S. Human Biology with distinction University of Toronto 2004

Bar Admissions

  • New York