`
`IN THE
`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`_____________
`
`AMAZON WEB SERVICES, INC.
`AND AMAZON.COM SERVICES LLC,
`
`Petitioners
`
`Patent Owner
`
`- vs. -
`
`ZENTIAN LIMITED
`
`_____________
`
`Patent No. 10,971,140
`Issued: April 6, 2021
`Inventor: Mark Catchpole
`
`Title: SPEECH RECOGNITION CIRCUIT USING PARALLEL PROCESSORS
`
`
`
`
`PETITIONERS’ POWER OF ATTORNEY
`_____________
`
`
`
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`P.O. Box 1450
`Alexandria, VA 22313-1450
`
`
`
`
`
`
`
`Patent No. 10,971,140 – Power of Attorney
`
`Petitioners Amazon Web Services, Inc., and Amazon.com Services LLC
`
`hereby appoint the Practitioners associated with Fenwick & West LLP, Customer
`
`Number 00758, including the following lead and backup counsel:
`
`Lead Counsel:
`
`J. David Hadden (Reg. No. 40,629)
`
`Backup Counsel: Saina S. Shamilov (Reg. No. 48,266)
`
`Backup Counsel: Dargaye Churnet (Reg. No. 71,288)
`
`as its attorneys to prosecute the aforementioned inter partes review proceeding, and
`
`to transact all business in the United States Patent and Trademark Office connected
`
`therewith. The individual signing below has the authority to execute this document
`
`on behalf of Amazon Web Services, Inc., and Amazon.com Services LLC. Please
`
`recognize the following correspondence address for the above-identified inter partes
`
`review:
`
`
`
`
`
`FENWICK & WEST LLP
`801 California Street
`Mountain View, CA 94041
`Tel: (650) 988-8500
`Fax: (650) 938-5200
`Amazon-Zentian-IPR@fenwick.com
`
`Date:
`
`
`
`By:
`Charles Davis
`Corporate Counsel, IP Disputes
`Amazon Web Services, Inc.,
`Amazon.com Services LLC
`Petitioners
`
`
`
`
`
`1
`
`