prosecution-history estoppel

prosecution-history estoppel Patents. The doctrine limiting a patentee’s invocation of the doctrine of equivalents by eliminating from the claims those elements that the holder surrendered or abandoned during the prosecution of the patent. ¡ª Also termed estoppel on the record; file-wrapper estoppel. See DOCTRINE OF EQUIVALENTS. [Cases: Patents 168(2.1). C.J.S. Patents ¡ì 296.] What is […]

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