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Owning Mark(Et)S, Mark A. Lemley, Mark P. Mckenna
Owning Mark(Et)S, Mark A. Lemley, Mark P. Mckenna
Michigan Law Review
Trademark owners regularly rely on claims that the defendant is "free riding" on their mark by making money using that mark, money the trademark owners say should belong to them. We analyze those free-riding claims and find them wanting. The empirical data shows that defendants in unrelated markets can benefit from using a well-known mark, but that neither mark owners nor consumers suffer any injury from that use. A legal claim that a defendant is unjustly benefiting by using a plaintiff's mark is hollow unless it is accompanied by a theory of why that benefit should rightly belong to the …