Charlene Choi is an associate in the firm's litigation department. Prior to joining the firm, Ms. Choi served as a law clerk to the Hon. William H. Walls in the United States District Court for the District of New Jersey.

Representative Matters

Law Firm Defense
Represented a large international law firm against allegations of legal malpractice and fraud in connection with patent prosecution.

False Advertising
Representing pet food manufacturer in a case against its competitor involving advertising claims.

Patent Litigation
Representing innovator company in one of the first cases under the legislation for biosimilars (BPCIA) and the first involving an antibody product.

Represented a major pharmaceutical and medical device company against claims of patent infringement.

Other Patent Matters
Representing patentee in an inter partes review (IPR) of a patent concerning the therapeutic use of a recombinant protein.

Represented a Fortune 100 company in trademark infringement suits to stop counterfeiters from making and importing fake, unsafe versions of the client’s medical devices.


  • U.S. Patent and Trademark Office
  • U.S. Court of Appeals, Federal Circuit
  • U.S. District Court, Southern and Eastern Districts of New York
  • New York