`(Docket No. SONGS-00647)
`
`In re: Balassanian et al.
`
`Patent N0.: 8,942,252
`
`Issued: January 27, 2015
`
`For: METHOD AND SYSTEM FOR
`
`SYNCHRONIZATION OF
`
`CONTENT RENDERING
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`PO. Box 1450
`
`Alexandria, VA 22313-1450
`
`VVVVVVVVVV
`
`Petition for Inter Partes Review
`
`,
`Fridays March 9, 2018
`
`Real Party in Interest:
`Sonos, Inc.
`
`POWER OF ATTORNEY FOR PETITIONS FOR
`INTER PARTES REVIEW OF US. PATENT NO. 8,942,252
`
`Pursuant to 37 CFR 42.10(b), Petitioner Sonos, Inc. (“Sonos”) hereby grants
`
`a full Power of Attorney to the practitioners listed below to represent and transact
`
`all business in the United States Patent and Trademark Office in connection with
`
`the Petition for Inter Partes Review of US. Patent No. 8,942,252 (“the Petition”),
`
`which is submitted herewith.
`
`Please direct all communication regarding the Petition to the following
`
`practitioners listed:
`
`
`
`Lead Counsel
`
`Rory P. Shea
`Lee Sullivan Shea & Smith LLP
`224 N Desplaines St, Suite 250
`Chicago, Illinois 60661
`
`Back-ug Counsel
`
`Cole B. Richter
`Lee Sullivan Shea & Smith LLP
`224 N Desplaines St, Suite 250
`Chicago, Illinois 60661
`
`Tel: (312) 754-9602
`Fax: (312) 754-9603
`Email: shea@ls3ip.com
`USPTO Reg. No. 60,529
`
`Tel: (3 ‘12) 754-9602
`Fax: (312) 754-9603
`Email: richter@ls3ip.com
`USPTO Reg. No. 65,398
`
`George 1. Lee
`Lee Sullivan Shea & Smith LLP
`224 North Desplaines Street, Suite 250
`Chicago, Illinois 60661
`
`Tel: (312) 754—9602
`Fax: (312) 754-9603
`Email: lee@ls3ip.com
`USPTO Reg. No. 39.269
`
`Michael P. Boyea
`Lee Sullivan Shea & Smith LLP
`224 N Desplaines St, Suite 250
`Chicago, Illinois 60661
`
`Tel: (312) 754-9602
`Fax: (312) 754—9603
`Email: boyea@ls3ip.com
`USPTO Reg. No. 70,248
`
`The undersigned is authorized to sign this Power of Attorney on behalf of
`
`Petitioner.
`
`Executed on the 9th day of March, 2018.
`
`$0110ij
`0/
`
`J] 4
`
`
`Printed Name: Paul Kafadar
`
`Title: Director of IP Liti ation
`
`