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KNOWLES ELECTRONICS LLC v. CIRRUS LOGIC, INC.

2016-2010.

883 F.3d 1358 (2018)

KNOWLES ELECTRONICS LLC, Appellant v. CIRRUS LOGIC, INC., Cirrus Logic International (UK) Ltd., Appellees.

United States Court of Appeals, Federal Circuit.

Decided: March 1, 2018.

Attorney(s) appearing for the Case

RICHARD L. RAINEY , Covington & Burling LLP, Washington, DC, argued for appellant. Also represented by CYRIL DJOUKENG , BRIAN GERARD BIELUCH , MICHAEL S. SAWYER .

NATHAN R. SPEED , Wolf, Greenfield & Sacks, PC, Boston, MA, argued for appellees. Also represented by JUSTIN COLANNINO , RICHARD GIUNTA , MARC S. JOHANNES .

Dissenting opinion filed by Circuit Judge Newman.

Appellant Knowles Electronics, LLC ("Knowles") appeals the inter partes reexamination decision on appeal of the U.S. Patent and Trademark Office's ("USPTO") Patent Trial and Appeal Board ("PTAB") affirming an examiner's rejection of claims 1-4 of U.S. Patent No. 6,781,231 ("the '231 patent") for anticipation and proposed...

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