John Dennehy

Mr. Dennehy’s practice areas include business litigation, civil litigation, design and construction law, corporate law, employment law, and insurance law. He represents professionals including architects, business owners, engineers, surveyors, attorneys, and real estate brokers in litigation matters. Mr. Dennehy has handled a wide range of disputes involving high-rise buildings, hospitals and laboratories, office buildings, college and university buildings, preparatory and public school buildings, museums, churches, manufacturing plants and processing facilities, water treatment facilities, and roads and bridges. He has also handled tax issues and real estate transfers. He engages in high-exposure personal injury matters including wrongful death, traumatic brain injury, quadriplegia, amputation, and disfigurement. Mr. Dennehy has represented clients in complex business disputes, involving self-directed IRAs, hedge funds, copyright and trademark violations, and partnership disputes, as well as trade secret and commercial contract disputes. He also represents individuals and families in a variety of litigation matters requiring strong advocacy. Mr. Dennehy frequently appears in state and federal courts in New Hampshire and Massachusetts and has obtained successful results as solo and first chair counsel in bench and jury trials in District and Superior Courts. He frequently represents clients in complex matters at mediation and speaks at seminars.