William M. Mattes

William Mattes, Complex Commercial LItigator, Dinsmore law practice
Organization Profile
Professional Biography

Bill is an experienced litigator who focuses his practice on complex commercial litigation, including high-stakes business disputes and bet-the-company matters. Bill also has extensive experience with construction litigation, whether dealing with construction disputes or OSHA matters, including handling investigations for on-site accidents and fatalities. 

Understanding that every client has unique needs and tolerances, Bill works closely with clients to build a litigation strategy that fits their objectives, whether negotiating alternative dispute resolutions or preparing for trial. His litigation experience is wide-ranging, including serving on litigation teams as special counsel to the Ohio Attorney General, as well as handling appeals before the Ohio Supreme Court. He also has secured victories for clients in an array of high-stakes litigation, including one in which he obtained a multi-million dollar verdict on behalf of a client in a complicated series of financial transactions and prevailed on appeal. He also recently secured a $2 million verdict for his client in a complex trade secrets case that also involved elements of tortious interference and civil conspiracy. 

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