Bryan Diner

Bryan C. Diner practices across all areas of intellectual property law, including district court litigation, Patent
Trial and Appeal Board proceedings, strategic patent portfolio management, prosecution, opinion work, and IP due diligence investigations.

Bryan’s litigation experience spans a wide range of technical fields, from representing pharmaceutical companies in Abbreviated New Drug Application disputes to defending the use of medical devices. He also regularly conducts IP due diligence for transactions involving complex technologies and portfolios.

As former managing partner of the firm’s Brussels office, Bryan gained deep insight into the European legal system, including the European Patent Convention and the varied practices across national jurisdictions. He advises both European and U.S.-based clients on cohesive IP strategies tailored to global business needs, with a focus on portfolio management and litigation counseling.

Bryan frequently lectures at international programs and conferences for U.S. and European business audiences. Fluent in French, he has delivered presentations in French on U.S. patent law topics, including litigation and due diligence. He also co-authored a course book on IP due diligence and chemical patent law.

Recognized for his work in patent strategy, management, and Hatch-Waxman litigation, Bryan has been honored for his contributions to the life sciences industry. He is also noted for his achievements in patent litigation and prosecution at both national and regional levels.

Updated Oct 2025

• BnL v. Slayback and Dr Reddy’s, DNJ, ANDA action; product was OTC product called Lumify; There were several parallel PTAB proceedings; an appeal to the CAFC; ultimately fought to a draw, case settled in July 2025.
  
  
• BnL v. Gland and Dr. Reddy’s, DNJ, ANDA action, product was a glaucoma treatment Vyzulta, case settled in June 2025. 
  
  
• Bausch v. Actavis, DNJ, ANDA action, product was Relistor and used to treat opioid induced constipation, won at district court July 2019, appeal filed but case settled before oral argument.
  
  
• Bausch v. MSN and Mylan, DNJ and West Virginia district court, parallel PTAB actions, won at PTAB, CAFC remanded and we’re back in front of PTAB for further briefing and depositions, Mylan settled before CAFC decision, case is proceeding to trial in November 2025.

• Intellectual property

• Consumer goods and services
• Food and beverage
• Healthcare
• Pharmaceutical and life sciences

• B.S., Chemical Engineering, with honors - New Jersey Institute of Technology (1984)
• J.D. - Seton Hall University School of Law (1987)

• American Bar Association
• American Chemical Society
• American Institute of Chemical Engineers
• American Intellectual Property Law Association
• District of Columbia Bar Association
• New Jersey State Bar Association

• U.S. Patent and Trademark Office (1986)
• District of Columbia (1988)
• New Jersey (1988)
• U.S. District Court, D. New Jersey (1988)