Intellectual Property
Jan. 20, 2001
Estoppel Signs
Under the doctrine of equivalents, a product or process that does not literally infringe a patent claim may nonetheless be found to infringe if there is "equivalence" between the elements of the accused product or process and the claimed limitations of the patented invention. Warner-Jenkinson Co. v. Hilton Davis Chemical Co., 520 U.S. 17 (1997).
Under the doctrine of equivalents, a product or process that does not literally infringe a patent claim may nonetheless be found to infringe if there is "equivalence" between the elements of the accused product or process and the claimed limitations of the patented inven...
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