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`UNITED STATES PATENT AND TRADEMARK OFFICE
`____________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`____________
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`XILINX, INC.,
`Petitioner,
`
`v.
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`POLARIS INNOVATIONS LIMITED,
`Patent Owner.
`____________
`
`Case IPR2023-00516
`Patent 6,157,589 B2
`____________
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`PATENT OWNER’S MANDATORY NOTICE AND NOTICE OF LEAD
`AND BACKUP COUNSEL
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`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
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`Pursuant to 37 C.F.R. § 42.8, Patent Owner Polaris Innovations
`Limited (“Polaris”) submits the following mandatory notices:
`Real Parties-In-Interest:
`
`Polaris identifies Wi-LAN Inc. and Quarterhill Inc. as its real parties
`in interest.
`Notice of Related Matters:
`
`U.S. Patent No. 6,157,589 is at issue in the case captioned Polaris
`Innovations Ltd. v. Xilinx, Inc., Case No. 1:22-CV-00174-RGA (D. Del.),
`filed on February 8, 2022.
`Lead and Backup Counsel:
`
`Polaris identifies the following individuals as its lead and backup
`counsel. A signed power of attorney
`Lead Counsel
`Jing H. Cherng (Reg. No. 68,144)
`
`gcherng@hopkinscarley.com
`
`Hopkins & Carley, ALC
`The Letitia Building
`70 S. First St.
`San Jose, CA 95113
`Service Information:
`
`Service of documents via hand-delivery may be made at the mailing
`address of lead and back-up counsel designated above. Polaris also consents
`to electronic service by email at: gcherng@hopkinscarley.com,
`rjain@hopkinscarley.com, jcatancio@hopkinscarley.com, and
`dhodges@hopkinscarley.com
`
`
`
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`Backup Counsel
`Robert K. Jain (Reg. No. 78,927)
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`rjain@hopkinscarley.com
`
`Hopkins & Carley, ALC
`The Letitia Building
`70 S. First St.
`San Jose, CA 95113
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`Date: February 27, 2023
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`HOPKINS & CARLEY
`The Letitia Building
`70 S First Street
`San Jose, CA 95113-2406
`
`By: /s/ Jing Hong Cherng
`Jing Hong Cherng
`Reg. No. 68,144
`Counsel for Patent Owner
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