David Herrington

Cleary Gottlieb Steen & Hamilton LLP

$ $$$

Liberty Street 1
New York 10006 NY US

David H. Herrington’s practice and experience span a wide range of litigation, advisory and regulatory matters, with a focus on intellectual property disputes. David joined the firm in 1991.

He has handled multiple suits involving claims of patent infringement, trade secret misappropriation, trademark infringement and copyright infringement, as well as high stakes suits concerning IP licenses. He also counsels on IP issues in the transactional context, including licensing, M&A and capital markets transactions, the sale of patent portfolios and other matters.

His experience in other areas includes regulatory enforcement actions, internal investigations and commercial litigation. David has conducted a number of IP suits through trial and appeal. He also has successfully represented clients in international arbitrations, evidentiary hearings and appeals.


  • SNMP Research Inc. v. Nortel Networks Inc., representing Nortel Networks Inc. in action alleging breach of software license and claims of copyright infringement and trade secret misappropriation, obtaining ruling in client’s favor following bench trial.
  • Amkor Technology, Inc. v. United Test and Assembly Center Ltd., successfully defending client against claims of breach of patent license, obtaining multiple rulings in client’s favor and successful resolution of suit.
  • Peoples Federal Savings Bank v. People’s United Bank, obtaining rulings in favor of client People’s United Bank in district court and on appeal in suit alleging trademark infringement.


  • Member of the Cleary Gottlieb team that, in its pro bono representation of former Tennessee death row inmate Erskine Johnson, succeeded in overturning Mr. Johnson’s death sentence and conviction. The team’s work has been profiled in The Am Law Daily and the New York Law Journal.
  • Member, the Licensing Executives Society
  • Member, the Licensing Executives Society International, Dispute Resolution Committee


  • University of Texas School of Law, J.D., 1990
  • Harvard College, B.A., 1987


  • New York


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Liberty Street 1
New York 10006 NY US
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Lina Stillman

Broadway 42
New York 10006 NY US