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CORE OPTICAL TECHNOLOGIES, LLC v. NOKIA CORPORATION

Nos. 2023-1001, 2023-1002, 2023-1003.

CORE OPTICAL TECHNOLOGIES, LLC, Plaintiff-Appellant, v. NOKIA CORPORATION, NOKIA OF AMERICA CORPORATION, Defendants-Appellees. CORE OPTICAL TECHNOLOGIES, LLC, Plaintiff-Appellant, v. ADVA OPTICAL NETWORKING SE, ADVA OPTICAL NETWORKING NORTH AMERICA, INC., Defendants-Appellees. CORE OPTICAL TECHNOLOGIES, LLC, Plaintiff-Appellant, v. CISCO SYSTEMS, INC., Defendants-Appellees.

United States Court of Appeals, Federal Circuit.

Decided: May 21, 2024.

Attorney(s) appearing for the Case

LAWRENCE MILTON HADLEY , Glaser Weil Fink Howard Avchen & Shapiro LLP, Los Angeles, CA, argued for plaintiff-appellant. Also represented by STEPHEN UNDERWOOD ; JASON DANIEL EISENBERG , WILLIAM MILLIKEN , JOHN CHRISTOPHER ROZENDAAL , Sterne Kessler Goldstein & Fox PLLC, Washington, DC; LAWRENCE LAPORTE , Lewis Brisbois Bisgaard & Smith LLP, Washington, DC.

LINDA T. COBERLY , Winston & Strawn LLP, Chicago, IL, argued for all defendants-appellees. Defendants-appellees ADVA Optical Networking SE, ADVA Optical Networking North America, Inc., Cisco Systems, Inc. also represented by DAVID P. ENZMINGER , Los Angeles, CA; LAUREN GAILEY , Washington, DC; KRISHNAN PADMANABHAN , New York, NY; EIMERIC REIG-PLESSIS , San Francisco, CA.

JOHN D. HAYNES , Alston & Bird LLP, Atlanta, GA, for defendants-appellees Nokia Corporation, Nokia of America Corporation. Also represented by LINDSAY C. CHURCH , SLOANE SUEANNE KYRAZIS ; JAMES ABE , Los Angeles, CA; KIRK T. BRADLEY , NICHOLAS CHRISTOPHER MARAIS , Charlotte, NC; THOMAS WILLIAM DAVISON , Washington, DC.

Dissenting opinion filed by MAYER.

Between November 2019 and August 2020, Core Optical Technologies, LLC filed complaints in the U.S. District Court for the Central District of California alleging infringement of U.S. Patent No. 6,782,211 by three groups of defendants led by Nokia Corp., ADVA Optical Networking SE, and Cisco Systems, Inc. (collectively, Nokia...

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