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`UNITED STATES PATENT AND TRADEMARK OFFICE
`________________
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`________________
`
`XILINX, INC.,
`
`Petitioner
`
`v.
`
`POLARIS INNOVATIONS LIMITED,
`
`Patent Owner
`
`________________
`
`Case IPR2023-00516
`
`Patent No. 6,157,589
`________________
`
`
`PATENT OWNER’S SECOND UPDATED MANDATORY NOTICES
`PER 37 C.F.R. § 42.8
`
`
`
`

`

`Pursuant to 37 C.F.R.§ 42.8(b), Patent Owner submits the following
`
`Case IPR2023-00516
`Patent No. 6,157,589
`
`
`
`Mandatory Notices with respect to the Petition for Inter Partes Review of U.S.
`
`Patent No. 6,157,589 filed by Xilinx, Inc. and designated as IPR2023-00516.
`
`I.
`
`Real Party-in-Interest
`
`In accordance with 37 C.F.R. § 42.8(b)(1), Patent Owner identifies the real
`
`party-in-interest as Polaris Innovations Limited, which is a company organized and
`
`existing under the laws of Ireland with its principal place of business at 77 Camden
`
`Street Lower, Dublin 2, D02 XE80, Republic of Ireland. Polaris Innovations
`
`Limited is a wholly-owned subsidiary of Wi-LAN Inc. Wi-LAN Inc. is a Canadian
`
`corporation with its principal place of business at 1891 Robertson Road, Suite 100,
`
`Ottawa, Ontario, K2H 5B7. Wi-LAN Inc. is owned by Owlpoint IP Opportunities
`
`JVF LP and Quarterhill Inc. Quarterhill Inc. is publicly-traded on the Toronto Stock
`
`Exchange.
`
`II. Related Matters
`
`In accordance with 37 C.F.R. § 42.8(b)(2), Patent Owner identifies the
`
`following judicial and administrative proceedings.
`
`Petitioner and Patent Owner are involved in a United States District Court
`
`proceeding captioned Polaris Innovations Limited v. Xilinx, Inc., Case No. 1:22-cv-
`
`00174-RGA, District of Delaware (Wilmington).
`
`The ‘589 patent is currently involved in the following district court litigation
`
`
`
`- 2 -
`
`

`

`
`proceedings: Polaris Innovations Limited v. Broadcom, Inc., Case No. 2:22-cv-
`
`Case IPR2023-00516
`Patent No. 6,157,589
`
`00347 (EDTX); and Polaris Innovations Limited v. Xilinx, Inc., Case No. 1:22-cv-
`
`00174-RGA, District of Delaware (Wilmington).
`
`III. Lead and Back-Up Counsel
`
`Lead Counsel
`David T. DeZern
`Registration No. 60,117
`NELSON BUMGARDNER
`CONROY P.C.
`2727 N. Harwood St., Suite 250
`Dallas, Texas 75201
`Telephone: (214) 446-4950
`Email: david@nelbum.com
`
`
`
`Back-Up Counsel
`Brent N. Bumgardner
`Registration No. 48,476
`NELSON BUMGARDNER
`CONROY P.C.
`3131 W. 7th Street, Suite 300
`Fort Worth, Texas 76107
`Telephone: (817) 377-9111
`Email: brent@nelbum.com
`
`IV. Service Information
`In accordance with 37 C.F.R. § 42.8(b)(4), please direct all correspondence
`
`regarding this proceeding via electronic service using the following e-mail
`
`addresses:
`
`david@nelbum.com
`
`brent@nelbum.com
`
`polaris@nelbum.com
`
`Patent Owner hereby consents to electronic service at these addresses.
`
`
`
`
`Dated: June 21, 2023
`
`
`
`
`
`
`
`
`By:
`
`Respectfully submitted,
`/s/ David T. DeZern
`David T. DeZern
`Registration No. 60,117
`
`
`
`- 3 -
`
`

`

`Case IPR2023-00516
`Patent No. 6,157,589
`
`NELSON BUMGARDNER
`CONROY P.C.
`2727 N. Harwood St., Suite 250
`Dallas, Texas 75201
`Telephone: (214) 446-4950
`Email: david@nelbum.com
`
`
`Brent N. Bumgardner
`Registration No. 48,476
`NELSON BUMGARDNER
`CONROY P.C.
`3131 W. 7th Street, Suite 300
`Fort Worth, Texas 76107
`Telephone: (817) 377-9111
`Email: brent@nelbum.com
`
`Attorneys for Patent Owner
`
`CERTIFICATE OF SERVICE
`The undersigned certifies that the foregoing Mandatory Notices per 37 C.F.R.
`
`
`
`
`
`
`
`§ 42.8 was served on June 21, 2023, to Lead and Back-up Counsel for Petitioners at
`
`the service address provided in Petitioners’ Petition for Inter Partes Review:
`
`Email:
`
`
`
`xilinxMWETeam@mwe.com
`
`boaks@mwe.com
`
`akapadia@mwe.com
`
`tdamario@mwe.com
`
`
`/s/ David T. DeZern
`David T. DeZern
`Registration No. 60,117
`
`
`
`- 4 -
`
`

`

`
`
`
`
`Case IPR2023-00516
`Patent No. 6,157,589
`
`NELSON BUMGARDNER
`CONROY P.C.
`2727 N. Harwood St., Suite 250
`Dallas, Texas 75201
`Telephone: (214) 446-4950
`Email: david@nelbum.com
`
`
`Brent N. Bumgardner
`Registration No. 48,476
`NELSON BUMGARDNER
`CONROY P.C.
`3131 W. 7th Street, Suite 300
`Fort Worth, Texas 76107
`Telephone: (817) 377-9111
`Email: brent@nelbum.com
`
`Attorneys for Patent Owner
`
`
`- 5 -
`
`

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