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Patent star 2022

Practice areas:

IP transactions
Patent litigation

Industry sectors:

Life sciences

Brian V. Slater is a Partner in the New York office of Haug Partners LLP. Brian is a first chair trial lawyer with over 25 years of experience litigating complex patent disputes. Brian has led trial teams to success in a variety of forums, including federal district courts and the Patent Trial and Appeal Board (PTAB), as well as in arbitration. Clients describe Brian as a “lead trial lawyer with a wealth of experience” and as a “great decision maker” who is “admired for his strategic nous and calm demeanor in pressurized litigation scenarios.” (IAM Patent 1000). 

Brian has served as lead litigation counsel for life sciences innovators in high value patent disputes, including Gilead, Merck, and Sanofi. Among his notable successes, he led the team that helped Forward Pharma secure a $1.25 billion settlement in its worldwide patent dispute with Biogen over rights to its Tecfidera® multiple sclerosis treatment.

Brian has extensive experience in Hatch-Waxman patent litigation against ANDA challengers, and has been described by clients as “brilliant on biosimilars.” (IAM Patent 1000 2014). His wide-ranging patent and trade secret litigation experience also includes cases involving biologics, medical devices, diagnostic kits, aircraft composites, toner cartridges, automotive parts, vending machines, and magazine cover coatings. 

Brian previously served as Chair of Life Sciences at Kramer Levin Naftalis & Frankel LLP. Before that, he spent over 20 years at Fitzpatrick, Cella, Harper & Scinto (now Venable LLP), where he served on the management committee and was Chair of the Due Diligence practice.


Year Joined Firm: 2020


  • University of Pennsylvania, LL.M.
  • University of Strathclyde, LL.B. with First Class Honors

Network Memberships: New York Intellectual Property Law Association


Last updared 5th May 2020