David Nimmer is Professor from Practice at UCLA School of Law and Distinguished Scholar at the Berkeley Center for Law and Technology.  A specialist in the law of copyright, he provides legal advice through his affiliation with Irell & Manella LLP in Los Angeles, California.  He has represented clients in the entertainment, publishing and high-technology fields, including twice serving as co-counsel representing clients before the United States Supreme Court.
Since 1985, Prof. Nimmer has authored and updated Nimmer on Copyright, the standard reference treatise in the field, first published in 1963 by his late father, Professor Melville B. Nimmer. The U.S. Supreme Court has cited Nimmer on Copyright on numerous occasions, as has every federal appellate court, countless district and state courts, as well as courts confronting copyright cases in countries across the globe.  He has also published a series of influential articles in law reviews in the U.S. and abroad.
Prof. Nimmer gave congressional testimony at the invitation of the House Judiciary Committee in 2014 and previously on behalf of clients in 1997 and 1992.  He also delivered Parliamentary testimony on behalf of the Combined Newspaper and Magazine Copyright Committee of Australia in Sydney in 1993