`United States Patent
`(10) Number:
`US 6,226,686 K1
`
`Rothschild et al. (45) Certificate Issued: Mar. 12, 2021
`
`(54) SERVER-GROUP MESSAGING SYSTEM
`FOR INTERACTIVE APPLICATIONS
`
`(75)
`
`Inventors: Jeffrey J. Rothschild; Daniel J.
`Samuel; Mare P. Kwiatkowski
`
`(73) Assignee: CRICKET COMMUNICATIONS,
`INC.
`
`Trial Numbers:
`
`IPR2018-00131 filed Nov. 2, 2017
`IPR2018-01238 filed Jun. 14, 2018
`IPR2018-00132 filed Nov. 2, 2017
`IPR2018-01243 filed Jun. 14, 2018
`
`Inter Partes Review Certificate for:
`
`Patent No.:
`Issued:
`Appl. No.:
`Filed:
`
`6,226,686
`May 1, 2001
`09/407,371
`Sep. 28, 1999
`
`The results of IPR2018-00131 joined with IPR2018-
`01238 and IPR2018-00132 joined with IPR2018-01243
`are reflected in this inter partes review certificate under 35
`U.S.C. 318(b).
`
`
`
`INTER PARTES REVIEW CERTIFICATE
`U.S. Patent 6,226,686 K1
`Trial No. IPR2018-00131
`Certificate Issued Mar. 12, 2021
`
`1
`
`AS A RESULT OF THE INTER PARTES
`REVIEW PROCEEDING, IT HAS BEEN
`DETERMINED THAT:
`
`Claims 1-4, 7-36 and 39-70 are cancelled.
`uf
`uf
`uf
`uf
`uf
`
`