Marsh, John

Bailey Cavalieri LLC | Member

John’s commercial litigation practice concentrates on trade secrets litigation and the enforcement of non-competes throughout the United States.  John is listed in the 2016, 2017 and 2018 editions of The Best Lawyers of America for Litigation – Intellectual Property and in the 2009-18 editions of Ohio Super Lawyers, and he is AV® Preeminent™ Rated by Martindale-Hubbell, its highest available rating for legal ability and professional ethics.  He has been quoted on trade secret law and restrictive covenant issues by The Wall Street Journal, Inside Counsel, Law360, The National Law Journal, Managing IP and Wired; and his blog, “The Trade Secret Litigator” (, has been cited by publications including The Wall Street Journal. 
As the Chair of the American Intellectual Property Law Association’s Trade Secret Law Committee, John was actively involved in providing comments and supporting the Defend Trade Secrets Act, the federal statute that The Wall Street Journal called the “most significant expansion” of federal IP law in 70 years.

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