John Cullis

John Cullis is a Partner in the Intellectual Property Practice Group at Barnes & Thornburg LLP, where they focus on intellectual property litigation, counseling, and procurement. With extensive experience in first chairing various IP matters before U.S. federal courts and the USPTO’s Trademark Trial and Appeal Board, John routinely advises clients on intellectual property rights. They have been recognized as a preeminent litigator and a leading global trademark practitioner, earning accolades such as inclusion in the "40 Under 40" list by the Law Bulletin Publishing Company and recognition as an Illinois Super Lawyer. Additionally, John leverages their dual Canadian-U.S. law licenses to assist foreign clients with various U.S. legal issues.