Mark Feldman's practice focuses on trademarks, patents, copyrights, trade secrets, domain names, the Internet, social media and technology law.

Mark has extensive experience counseling clients on domestic and international intellectual property registration, enforcement and licensing. His litigation experience includes oral arguments before the Court of Appeals for the Federal Circuit and the Trademark Trial and Appeal Board of the United States Patent and Trademark Office. He has litigated the protectability of color as a trademark in cases relating to low-calorie sweeteners, golf club shafts, and prescription pharmaceuticals; the enhanced scope of protection for famous trademarks like NutraSweet; trademark priority disputes; the genericness of a religious leader's name; and the protection of the distinctive interior design and exterior trade dress of franchised restaurants. He has litigated and conducted oral arguments before the Court of Appeals for the Federal Circuit, the Trademark Trial and Appeal Board of the USPTO, and various federal district courts.