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CAFC Inter Partes Review (IPR) Proceeding Claim Construction

McDermott Will & Emery

The Clear and Unmistakable Standard for Applying Prosecution Disclaimer

The US Court of Appeals for the Federal Circuit found that a district court misconstrued claim terms based on a misapplication of the clear and unequivocal disavowal standard and vacated its noninfringement decision. Maquet...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

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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

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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

Jones Day

Senate’s STRONGER Patents Act Aims to Address Key PTAB Patent Owner Woes

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On June 21, Senators Chris Coons (D-Del), Tom Cotton (R-Ark), Dick Durbin (D-Ill), and Mazie Hironoa (D-Hawaii) introduced the “Support Technology & Research for Our Nation’s Growth and Economic Resilience Patents Act of...more

Troutman Pepper

CAFC Vacates a PTAB Decision Due To Faulty Claim Construction

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In a rare case of disagreeing with the Patent Trial and Appeal Board (PTAB), the Court of Appeals for the Federal Circuit (CAFC) vacated and remanded a PTAB decision invalidating claims 10-25 of PPC Broadband, Inc.’s U.S....more

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