Leslie A. Demers

Leslie A. Demers

Counsel, Intellectual Property Litigation
Leslie Demers concentrates her practice on complex litigation and arbitration involving patents, trade secrets and other intellectual property litigation, as well as counseling on IP diligence, licensing, freedom to operate and protecting intellectual property rights.


Ms. Demers has assisted in matters involving technologies across varied industries, including pharmaceutical, medical device, food service, renewable energy, industrial machinery and information technology.

Ms. Demers’ representative engagements include:

  • defending a brand name drug defendant in an antitrust proceeding following settlement of Hatch-Waxman cases;
  • representing a U.S. manufacturer of induction heating units in a patent infringement suit;
  • advising on IP disputes relating to the bankruptcy of a global renewable energy development company;
  • a bet-the-company arbitration involving an IP licensing dispute;
  • representing a leading flavor and fragrance company in a trade secret, unfair competition and breach of contract action; and
  • defending an API manufacturer in Hatch-Waxman litigation.

Ms. Demers also devotes time to pro bono matters, including representation of clients seeking asylum and work for the Innocence Project.



  • J.D., Columbia Law School, 2013 (Columbia Law Review)
  • B.S., University of Michigan, 2010


  • New York

Leslie A. Demers

Counsel, Intellectual Property Litigation