University of Virginia School of Law
JD, 2012

Member, Virginia Journal of Law & Technology

Amherst College
BA, 2007



William M. Unsworth


t 617-248-4743   f 617-248-4000

William Unsworth is a member of the firm’s litigation department. He focuses his practice on intellectual property litigation, with particular focus on patent and trade secret litigation. His practice also includes other complex commercial litigation, as well as a range of work related to intellectual property licensing.

During law school, Mr. Unsworth served as the Second Round Presiding Justice for the William Minor Lile Moot Court Board and as a member of the Virginia Journal of Law and Technology. After his first year of law school, Mr. Unsworth interned for the late Honorable Peter C. Dorsey of the United States District Court for the District of Connecticut.

Mr. Unsworth joined Choate in 2012 after participating in the firm’s 2011 Summer Associate Program.

Practice Focus

Complex Commercial Litigation: assists in representation of leading corporations and financial institutions in complex commercial litigation.

Intellectual Property Litigation: assists in representation of companies in patent and trade secret litigation matters concerning a broad range of technologies.

Representative Engagements

  • Represented world-leading data storage company in multiple cases relating to former employees’ theft of valuable trade secrets.
  • Represents prominent financial services corporation in connection with patent licensing discussions.
  • Represented developer of educational software in connection with several software development agreements and licensing negotiations.
  • Assisted in successful representation of medical device company in multiple patent infringement suits relating to medical systems for blood glucose monitoring and insulin infusion.
  • Assisted in representation of national insurance company in federal class action litigation involving alleged violations of consumer protection laws.

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