News & Analysis as of

Patent Invalidity Claim Construction CAFC

Baker Botts L.L.P.

First Quarter 2025 Federal Circuit Law Snapshot

Baker Botts L.L.P. on

Since serving as a Federal Circuit clerk, Michael Hawes has monitored that court's precedential opinions and prepares a deeply outlined index by subject matter (invalidity, infringement, claim construction, etc.) of relevant...more

Jones Day

Ho, Ho, No: CAFC Delivers Reversal, Vacatur, and Remand in Christmas Tree Row

Jones Day on

The Federal Circuit recently issued another decision in a longstanding dispute between Willis Electric Co. and Polygroup Ltd. involving two patents owned by Willis (U.S. Patent Nos. 8,454,186 and 8,454,187) directed to...more

Troutman Pepper Locke

CAFC Affirms PTAB’s Decision That Printed Matter Doctrine Can Be Used In Claim Construction

Troutman Pepper Locke on

In an inter partes review proceeding, a challenger cannot raise patent-eligibility as a ground of invalidity. Rather, the invalidity grounds are limited to lack of novelty and obviousness. ...more

Troutman Pepper Locke

CAFC Finds Another PTAB Claim Construction Unreasonable and Again Reverses an Invalidity Holding

Troutman Pepper Locke on

In an inter partes review (IPR) proceeding, the meaning of terms used in challenged claims of an unexpired patent are given their broadest reasonable interpretation in light of the claim language and the specification. The...more

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