Functional Equivalent

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USPTO Finally Issues New Guidance On Patent Subject Matter Eligibility

The USPTO has issued new “Interim Guidance” for determining whether claims are eligible for patenting under 35 USC § 101. Although the new guidance technically applies to all technologies and all types of claims, Applicants...more

Federal Circuit Holds Foreseeable Equivalents Infringe Under Doctrine of Equivalents

The Court of Appeals for the Federal Circuit held Wednesday that the doctrine of equivalents covers alternatives that were foreseeable at the time of application but not literally claimed. As a result, patent drafters will...more

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