`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`
`
`
`
`
`PATENT TRIAL AND APPEAL BOARD
`
`
`
`
`
`
`Cisco Systems, Inc.
`Petitioner
`
`v.
`
`Estech Systems, Inc.
`Patent Owner
`
`_____________________
`CASE: IPR2021-00329
`U.S. PATENT NO. 8,391,298
`_____________________
`
`PETITIONER’S UPDATED MANDATORY NOTICES
`PURSUANT TO 37 C.F.R. § 42.8
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`IPR2021-00329
`U.S. PATENT NO. 8,391,298
`
`Pursuant to 37 C.F.R. § 42.8, Petitioner Cisco Systems, Inc. (“Petitioner”)
`
`submits the following updated mandatory notices as required by subsection (b)(2).
`
`Related Matters (37 C.F.R. § 42.8(b))
`
`Petitioner hereby updates its mandatory notices as to judicial or administrative
`
`matters that would affect, or be affected by, a decision in this proceeding as follows:
`
`RingCentral, Inc. has filed a Petition for inter partes review of the ’298 Patent
`
`(see IPR2021-00574) and a Petition for inter partes review of U.S. Patent No.
`
`6,067,349 (see IPR2021-00573), both on March 5, 2021.
`
`
`
`
`
`Dated: March 10, 2021
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`Respectfully submitted by,
`
`
`
`
`
`K&L GATES LLP,
`
`/Benjamin E. Weed/
`Benjamin E. Weed
`Reg. No. 65,939
`K&L GATES LLP
`70 W. Madison Street, Suite 3100
`Chicago, IL 60602
`benjamin.weed.PTAB@klgates.com
`T: (312) 781-7166
`F: (312) 827-8152
`
`By:
`
`1
`
`
`
`IPR2021-00329
`U.S. PATENT NO. 8,391,298
`
`
`CERTIFICATE OF SERVICE
`
`I hereby certify that on March 10, 2021, I caused a true and correct copy of
`
`the foregoing to be served on the following counsel for Patent Owner by electronic
`
`mail to the following email addresses:
`
`
`
`
`
`Todd E. Landis (Reg. No. 44,200)
`John Wittenzellner (Reg. No. 61,662)
`C. Matthew Rozier (Reg. No. 61,662)
`Chad Ennis (Reg. No. 60,587)
`WILLIAMS SIMONS & LANDIS PLLC
`tlandis@wsltrial.com
`estechcounsel@wsltrial.com
`johnw@wsltrial.com
`mrozier@wsltrial.com
`cennis@wsltrial.com
`
`
`
`
`
`
`
`/Benjamin E. Weed/
`Benjamin E. Weed
`Reg. No. 65,939
`K&L GATES LLP
`70 W. Madison Street, Suite 3100
`Chicago, IL 60602
`benjamin.weed.PTAB@klgates.com
`T: (312) 781-7166
`F: (312) 827-8152
`
`
`By:
`
`2
`
`