Bruce C. Haas

Senior Counsel
Haas Bruce
Bruce Haas focuses his practice 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. He 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, 2010-11).

Bruce has wide experience in contested patent office proceedings including inter partes review and post grant review proceedings, patent evaluations, and opinion work.


Representative Matters

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


  • Best Lawyers in America, 2018-19
  • IP Star, Managing Intellectual Property, 2016-18
  • LMG Life Sciences 2012-16
  • IAM World's Leading Patent Professionals, 2017-18
  • Legal 500 for Patent litigation: full coverage in 2008-09, 2013-14 and 2018
  • Legal Media Group Guide to the World’s Leading Patent Law Practitioners in 2007 and 2009
  • Super Lawyers: New York Metro Edition, 2013-18
  • Elected a Senior Fellow of the Litigation Counsel of America