Mark Hayden is an associate in the New York office of Wilson Sonsini Goodrich & Rosati, where his practice focuses on intellectual property litigation with a particular emphasis on representing clients in the life sciences industry. He has significant experiencing litigating under the Hatch-Waxman Act and has played key roles in fact and expert discovery, depositions, trial, and appellate proceedings.

Before attending law school, Mark worked in a research laboratory at Brigham & Women’s Hospital/Harvard Medical School focused on using next generation sequencing (NGS) technologies to elucidate the molecular and genetic underpinnings of cancers, gynecological diseases, and human developmental disorders.

In addition to his commercial work, Mark is actively involved in pro bono work, representing clients in probate guardianship and immigration proceedings, as well as providing guidance to non-profit organizations and small businesses on intellectual property-related matters. 

Mark is also registered to practice before the U.S. Patent & Trademark Office.