Christopher E. Chalsen

Christopher Chalsen is a partner in the New York office of Milbank, Tweed, Hadley & McCloy and head of the firm’s Intellectual Property Group.

Primary Focus & Experience

Mr. Chalsen specializes in intellectual property law, including patent and trademark licensing, litigation and prosecution. His practice concentrates in electrical and computer-related technologies, semi-conductors, telecommunications and mechanical and medical products. Mr. Chalsen’s wide-ranging experience includes judge and jury trials, appeals to the Court of Appeals for the Federal Circuit, representation of clients before agencies such as the United States Customs Service and International Trade Commission, arbitrations (including AAA and ICC) and all phases of patent, trademark and copyright prosecution practice in the United States Patent and Trademark Office and the Copyright Office.

Recognition & Accomplishments

Mr. Chalsen has been regularly recognized as a leading intellectual property lawyer in the United States by numerous publications, including Chambers USA, Euromoney’s Guide to World’s Leading Experts, Intellectual Asset Management, Legal Media Group’s Expert Guide, New York Super Lawyers and Who’s Who Legal and other juried resources.  Mr. Chalsen is a Fellow of the American Intellectual Property Law Association and maintains an “AV Preeminent” rating from Martindale-Hubble.  He was also awarded The Legal Aid Society 2010 Pro Bono Publico Award.

A frequent author and lecturer, Mr. Chalsen has served on the Editorial Board of Managing Intellectual Property and the Advisory Board of BNA’s World Intellectual Property Report. He is currently Vice Chair of the Asian Practice Committee of Intellectual Property Owners, Inc., and has served as chairman of the American Intellectual Property Law Association's International and Foreign Law Committee, Japan Practice Committee, and European Practice Committee, as well as a member of the Executive Committee of the US Group of A.I.P.P.I.  He is currently a member of the Amicus Committee of AIPLA and is an AIPLA delegate to the US Bar/Japan Patent Office Liaison Committee.