John J Rosenthal

With more than 30 years of trial experience, John Rosenthal litigates complex commercial, antitrust, and false advertising cases. Clients say he is “invaluable as a resource” with “extraordinary judgment” and “a lot of practical advice at his fingertips.” Chair of Winston's eDiscovery & Information Governance Practice, John also has expansive experience in all areas of electronic discovery, privacy, information governance, and data breach. John Rosenthal represents clients in an array of complex antitrust and litigation matters. His practice also involves counseling clients on a variety of trade regulation, trademark, and commercial issues.  He also acts as national e-discovery counsel for numerous corporations.

John is a former steering committee member of Working Group 1 of the Sedona Conference on Best Practices for Electronic Discovery and Records Management, a group of lawyers, judges, and vendors focusing on the development of the law regarding electronic discovery and retention issues. John is also a participant in Working Group 6 of the Sedona Conference International Electronic Information Management, Discovery and Disclosure, which focuses on international issues relating to disclosure, cross-border discovery, and privacy.