Massachusetts laparoscopic expert witnesses are surgeons who review minimally invasive procedures and opine on standards of care, technique, and perioperative decision-making. Many practice in Boston-area academic centers like Mass General Brigham or Beth Israel Deaconess, with subspecialties in general surgery, bariatrics, and gynecology. They commonly evaluate trocar injuries, bile duct damage, conversion decisions, informed consent, and postoperative complications.