Infringement under the doctrine of equivalents (“DOE”) is frequently asserted in patent litigation. DOE allows a plaintiff to maintain an infringement claim even if the accused instrumentality does not literally possess all the limitations of the claim as interpreted by the court.
The Diminishing Claim Vitiation Limitation to the Doctrine of Equivalents
Infringement under the doctrine of equivalents ("DOE") is frequently asserted in patent litigation. DOE allows a plaintiff to maintain an infringement claim even if the accused instrumentality does not literally possess all the limitations of the claim as interpreted by the court.
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