Bruce C. Haas

Senior Counsel
Haas Bruce
Bruce Haas focuses on complex patent litigation. Bruce has extensive courtroom experience and has served as lead trial counsel in patent infringement litigations involving pharmaceuticals and mechanical devices. His broad knowledge of contested patent office proceedings includes inter partes review and post-grant review proceedings, patent evaluations, and opinion work. 


Representative Matters

  • Represented LEO Pharma against Tolmar Inc. on patents related to Taclonex®, a topical anti-psoriatic medication
  • Represented Unigene Laboratories and Upsher-Smith Laboratories on a patent related to Fortical®, an osteoporosis drug
  • Represented UCB against Mylan, Dr. Reddy, Sandoz and Cobalt on patents related to Keppra®, a leading epilepsy medicine
  • Represented ElringKlinger against Federal-Mogul on patents related to automotive gaskets
  • Represented Pharmacia, G.D. Searle, and Monsanto against the University of Rochester on patents related to the blockbuster drug Celebrex®
  • Represented Husky Injection Molding against Mold Masters on patents related to injection molding machines
  • Represented Monsanto Co. & Johnson Controls, Inc. against Continental Can on plastic bottle technology
  • Represented Cytec Industries against Toray Industries on aircraft composites
  • Represented Upsher Smith Laboratories against Schering Plough on potassium products
  • Represented Eltech Systems against Engelhard and Electrocatalytic, Inc. on electrocatalytic cell technology
  • Represented Dupont against Akzo on high-strength fiber (Kevlar®) technology

Representative Clients

  • Akros Pharma
  • E.I. du Pont de Nemours and Company
  • Endo Pharmaceuticals
  • Geotab Inc.
  • Gr√ľnenthal GmbH
  • Japan Tobacco




  • J.D. cum laude Indiana University 1983
  • B.S. Engineering United States Military Academy at West Point 1975

Bar Admissions

  • District of Columbia
  • New York
  • U.S. Patent and Trademark Office

Court Admissions

  • U.S. Court of Appeals for the Federal Circuit
  • U.S. District Court for the Southern District of New York
  • U.S. District Court for the Eastern District of New York

Professional Memberships and Activities

  • Senior fellow, Litigation Counsel of America


Bruce is known for his hard work and practical advice (IAM World’s Leading Patent Practitioners, 2016) and for providing “practical solutions to difficult problems” (Legal 500, 2013), being “outstanding strategically and tactically,” having a “good understanding of business and legal considerations relative to the dispute he is handling,” and being “a good communicator and extraordinarily responsive” (U.S. News – Best Lawyers, 2010 – 2011).

  • Who’s Who Legal, Life Sciences, Patent Litigation, Patents, 2020
  • The Best Lawyers in America, 2018 – 2019
  • Managing Intellectual Property, IP Star, 2016 – 2018
  • LMG Life Sciences, 2012 – 2016
  • IAM Patent 1000, The World’s Leading Patent Professionals, 2017 – 2018
  • Legal 500, Patent Litigation: Full Coverage, 2008 – 2009, 2013 – 2014, 2018
  • Legal Media Group, The World’s Leading Patent Law Practitioners, 2007, 2009
  • Super Lawyers, New York Metro, 2013 – 2018