Drywall Co. Can't 'Backdoor' Purple TM Rights, Jury Hears

By Lauraann Wood (May 22, 2023, 8:11 PM EDT) -- A company that sells shower building materials urged an Illinois federal jury Monday to reject accusations that several of its products infringe a major drywall manufacturer's trademark on the word and color purple, arguing the manufacturer is simply trying to "backdoor" into rights it never protected....

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