Tanner primarily represents corporations and businesses in civil disputes, with an emphasis on product liability actions and commercial litigation. In this capacity, Tanner regularly represents large corporations and small businesses in contract disputes, premises liability cases, subrogation matters, business torts, trade secret actions, and consumer claims of all kinds. He has also served on national and regulatory counsel teams in large multi-district pharmaceutical litigation pending in federal courts as well as statewide coordinated proceedings across the country. Additionally, Tanner has defended professional liability claims and represented physicians and attorneys in regulatory and disciplinary matters.