Tag Archives: PTAB

Is the USPTO PTAB “Panel Stacking” When Using Expanded Panels?

Grant T. Gille Over the past few years, the United States Patent and Trademark Office Patent Trial and Appeal Board (PTAB) has implemented the use of expanded panels in a number of cases, causing many to question the method of … Continue reading

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PTAB: Must Consider, but Need Not Follow Prior Court Claim Constructions

Knowles Electronics v. Iancu (Fed. Cir. 2018) In a split decision, the Federal Circuit has affirmed a PTAB Inter Partes Reexamination decision against a patentee – finding the claims of Knowles Patent No. 8,018,049 invalid as anticipated/obvious. The patent here … Continue reading

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Guest Post by Walker and Wasserman: Situating PTAB Adjudication Within the New World of Agency Adjudication

Guest post by Christopher J. Walker, The Ohio State University Moritz College of Law and Melissa F. Wasserman, The University of Texas School of Law In 2011, Congress created a series of novel proceedings for private parties to challenge issued … Continue reading

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CAFC addresses "broadest reasonable interpretation" in Power Integrations; PTAB reversed

PTAB was reversed by the CAFC in Power Integrations:Because the board’s anticipation rejectionswere based on an unreasonably broad claim construction,we reverse.Of specifics:We acknowledged that “the board is not generallybound by a prior judicial construction of a claim term” andthat “in … Continue reading

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PTAB Releases Orange Book Stats

PTAB Explains Orange Book Trial Experiences In today’s Boardside Chat, the Patent Trial & Appeal Board (PTAB) explained expanded panel practice, and provided some useful insight into its work on Orange Book patents. The statistics (here) highlight: •83% of all petitions … Continue reading

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