BENNETT REGULATOR GUARDS v. ATLANTA GAS LIGHT

2017-1555 2017-1626.

905 F.3d 1311 (2018)

BENNETT REGULATOR GUARDS, INC., Appellant v. ATLANTA GAS LIGHT CO., Cross-Appellant.

United States Court of Appeals, Federal Circuit.

Decided: September 28, 2018.


Attorney(s) appearing for the Case

WAYNE D. PORTER, JR. , Law Offices of Wayne D. Porter, Jr., Independence, OH, argued for appellant.

DARYL L. JOSEFFER , King & Spalding, LLP, Washington, DC, argued for cross-appellant. Represented by RUSSELL E. BLYTHE , HOLMES J. HAWKINS, III , Atlanta, GA.

Before LOURIE, CLEVENGER, and STOLL, Circuit Judges.


Years after Bennett Regulator Guards, Inc. first sued Atlanta Gas Light Co. for infringing its U.S. Patent No. 5,810,029, the Patent Trial and Appeal Board instituted Atlanta Gas's inter partes review (IPR), held all challenged claims of Bennett's '029 patent unpatentable, and then sanctioned Atlanta Gas. Bennett appeals, arguing...

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