Tag Archives: claim construction

YEAR IN REVIEW: CHANGES IN PTAB PRACTICE IN 2018

By Tom Engellenner A number of significant changes occurred in 2018 at the U.S. Patent and Trademark Office (USPTO). To begin with, in February 2018, a new USPTO Director took office.  Director Andrew Iancu, a former patent litigator with law … Continue reading

Posted in Amendments before the PTAB, Broadest Reasonable Interpretation, Enlarged PTAB Panels, Inter Partes Review, Phillips standard, Post Grant Review, PTAB Procedure, PTAB Trial Practice Guide, Sovereign Immunity, Trial Tactics, USPTO | Tagged , , , , , , , , , , , , ,

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

By Reza Mollaaghababa 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.  Notwithstanding, in construing claim terms, the PTAB can decide … Continue reading

Posted in America Invents Act, Anticipation/Obvious, Appeals, Claim Construction, Court of Appeals Fed Circuit, Federal Circuit, Mental Steps Doctrine, Patent Eligible Subject Matter, Printed Matter Doctrine, USPTO | Tagged , , , , , , , , ,

USPTO Proposes Change In Claim Construction Standard For Post-Grant Proceedings

By Reza Mollaaghababa On May 9, 2018, U.S. Patent and Trademark Office (PTO) issued a notice of proposed rule for changing the standard for construing claims in unexpired patents in inter partes review (IPR), post-grant review (PGR), and transitional covered … Continue reading

Posted in BRI Standard, Broadest Reasonable Interpretation, Claim Construction, Covered Business Methods, Inter Partes Review, Post Grant Review, PTAB Procedure, USPTO | Tagged , , , , , , , , , , , ,

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

By Reza Mollaaghababa 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 Court of … Continue reading

Posted in America Invents Act, Anticipation/Obvious, BRI Standard, Broadest Reasonable Interpretation, Claim Construction, Court of Appeals Fed Circuit, Federal Circuit, Final PTAB Decision, Inter Partes Review, PTAB Procedure, Trial Tactics, USPTO | Tagged , , , , , , ,

CAFC Vacates a PTAB Decision Due To Faulty Claim Construction

By Reza Mollaaghababa 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. … Continue reading

Posted in America Invents Act, Anticipation/Obvious, Appeals, BRI Standard, Broadest Reasonable Interpretation, Claim Construction, Court of Appeals Fed Circuit, Federal Circuit, Inter Partes Review, PTAB Procedure, USPTO | Tagged , , , , , , , , , , , ,