After clerking for Chief Judge Edward R. Becker of the Third Circuit Court of Appeals in Philadelphia and Associate Justice David H. Souter of the U.S. Supreme Court, she practiced intellectual property law at Debevoise & Plimpton before joining the NYU faculty. Her publications include “Copy This Journal: How Fair Use Doctrine Harms Free Speech and How Copying Serves It” (Yale L.J. 2004), "Copyright as a Model for Free Speech Law" (B.C. L. Rev. 2000) and "Legal Fictions: Copyright, Fan Fiction, and a New Common Law" (Loy. L.A. Ent. L.J. 1997), and her work currently focuses on the relationship between the First Amendment and false advertising law. She has advised and represented several fan fiction websites in disputes with copyright and trademark owners. She is also an expert on the law of engagement rings.