Madhundra Sivakumar


Madhundra Sivakumar represents clients on various matters related to intellectual property law, with a focus on complex patent litigation and contested proceedings before the U.S. Patent and Trademark Office. In addition, Maddy assists with global patent portfolio management, including with respect to parallel ex-U.S. patent litigation and opposition proceedings. Maddy also handles patent prosecution and opinion work.

Prior to Ballard Spahr, Maddy was an IP associate at a prominent law firm in New York. Before entering private practice, Maddy worked at one of New York’s leading hospitals, where she conducted allergy and immunology research.

Professional Highlights

Professional Activities

Maddy is a member of the INTA Amicus Committee for 2024.

Recognition & Accomplishments

The Best Lawyers in America "Ones to Watch," – Intellectual Property Law (Philadelphia), 2024 and Litigation - Intellectual Property (Philadelphia), 2024



Fordham University School of Law (J.D. 2016)
Senior Articles Editor, Fordham Intellectual Property, Media and Entertainment Law Journal

 Cornell University (B.A. 2011)


New York


U.S. Patent and Trademark Office