Brendan D. O’Brien

Brendan D. O’Brien

Manchester NH

Brendan O’Brien focuses his practice on commercial and insurance litigation. His experience includes premises liability, products liability, professional liability, complex tort, and general commercial matters. Before joining our firm, Brendan worked as an associate at two national law firms and also served as a law clerk to the Vermont Superior Court.

Admitted to Practice

  • Massachusetts
  • New York
  • New Hampshire
  • U.S. Court of Appeals Second Circuit
  • U.S. District Court District of Massachusetts
  • U.S. District Court Eastern District of New York
  • U.S. District Court Southern District of New York
  • U.S. District Court District of New Hampshire

Professional Affiliations

  • American Bar Association
  • Massachusetts Bar Association
  • New Hampshire Bar Association
  • Manchester Bar Association
  • Defense Research Institute (DRI)


  • Boston College Law School, J.D., cum laude
  • Hamilton College, B.A., magna cum laude


  • Vermont Superior Court

Pro Bono & Volunteer Work

  • Working with the Innocence Project, Brendan has represented indigent individuals in post-conviction relief proceedings
  • Londonderry, New Hampshire Zoning Board of Adjustment