John Deere and other farm and heavy equipment companies plan to ask the U.S. Supreme Court to reject a New Hampshire law they say unfairly lumps their products in with cars and trucks.
The high court on Friday denied the companies attempt to stop enforcement of a New Hampshire Supreme Court opinion that upheld the state's Automobile Dealer Bill of Rights law, which was expanded in 2013 to include protections for equipment distributors, in addition to auto and truck dealers.
The equipment manufacturers say the law unconstitutionally interferes with their dealer contracts.
The state had argued that the law is a merger of regulations that dealt separately with automobile manufacturers and farm and tractor manufacturers.
The manufacturers plan to file their appeal by the end of March.
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