Robert D. Sack

Adjunct Professor of Law

Robert D. Sack

Adjunct Professor of Law

Judge Robert D. Sack has served the 2nd U.S. Circuit Court of Appeals since 1998, taking senior status in 2009. He joined Columbia Law School as an adjunct professor in 2001. Sack specializes in national and international press. He has authored Sack on Defamation: Libel, Slander, and Related Problems, 4th ed. 2010, and co-authored Advertising and Commercial Speech: A First Amendment Guide (with P. Cameron DeVore), PLI Press, 1999. His article, “Protection of Opinion Under the First Amendment: Reflections on Alfred Hill, Defamation and Privacy Under the First Amendment,” was published in the 100th anniversary issue of the Columbia Law Review. In 2008, he was awarded the Federal Bar Council's Learned Hand Medal for excellence in federal jurisprudence.

Sack was an officer and director of the William F. Kerby and Robert S. Potter Fund, and a member of the advisory boards of the Bureau of National Affairs’ Media Law Reporter and the ABA Forum Committee's Communications Lawyer. He is a member of the board of visitors of Columbia Law School, the board of trustees of Columbia University Seminars on Media and Society, and chairman of the National Council on Crime and Delinquency. Sack is a member and fellow of the American Bar Association, a member of the New York City Bar Association (as chair of its communications law committee from 1986 to 1989) and a member of the American Judicature Society.

After graduating from the University of Rochester in 1960 and Columbia Law School in 1963, Sack clerked for U.S. District Judge Arthur S. Lane in the District of New Jersey. He was an associate and partner at Patterson, Belknap, Webb & Tyler from 1964 to 1986 and a partner at Gibson, Dunn & Crutcher from 1986 to 1998. In 1974, Sack served as senior associate special counsel to the U.S. House of Representatives Impeachment Inquiry Staff.

In 2007, Sack was the Columbia Law School commencement speaker. He was an adjunct professor of political science and a special guest lecturer at the University of Rochester and a distinguished visiting jurist at the University of Chicago Law School.

Ex. Federal Appellate Court
Ex. Federal Appellate Court - Fieldwork
Externship: Federal Appellate Court
Externship: Federal Appellate Court - Fieldwork