`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`MICROSOFT CORPORATION,
`
`Petitioner,
`
`v.
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`MOBILE TELECOMMUNICATIONS TECHNOLOGIES, LLC,
`
`Patent Owner.
`
`Case No. To Be Assigned
`Patent No. 5,754,946
`
`POWER OF ATTORNEY
`
`
`
`Patent No. 5,754,946
`Attorney Docket No. 41826-3093
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`Pursuant to 37 C.F.R. 42.10(b), Petitioner Microsofi Corporation hereby
`
`appoints the following lead and back—up counsel to transact all business before
`
`the Patent Trial & Appeal Board of the United States Patent and Trademark
`
`Office in connection with an Inter Partes Review of U.S. Patent No. 5,754,946
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`entitled "NATIONWIDE COMMUNICATION SYSTEM."
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`
`
`BACK-UP COUNSEL
`
`
`
`Chad Campbell
`
`LEAD COUNSEL
`
`Chun M. Ng, Reg. No. 36,878
`
`CNg@perkinscoie.com
`Perkins Coie LLP
`
`1201 Third Avenue, Suite 4900
`
`Seattle, WA 98101-3099
`
`Phone: 206.359.8000
`
`Fax: 206.359.9000
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`Pro Hac Vice to be requested upon
`
`grant ofauthorization
`
`Perkins Coie LLP
`
`2901 N. Central Ave., Suite 2000
`
`Phoenix, Arizona 85012
`
`Phone: 602-3 51-8393
`
`Fax: 602-648-7193
`
`CCampbell@perkinscoie.com
`
`Theodore H. Wimsatt, Reg. No. 66,443
`
`TWimsatt@perkinscoie.com
`Perkins Coie LLP
`
`2901 N. Central Avenue, Suite 2000
`
`Phoenix,AZ 85012-2788
`
`Phone: 602.351.8000
`
`Fax: 602.648.7000
`
`
`Jared Crop, Reg. No. 62,459
`
`JCrop@perkinscoie.com
`Perkins Coie LLP
`
`
`
`2901 N. Central Avenue, Suite 2000
`
`Phoenix, AZ 85012-2788
`
`Phone: 602.351.8000
`
` Fax: 602.648.7000
`
`
`
`
`
`Patent No. 5,754,946
`Attorney Docket No. 41826-3093
`
`The undersigned is authorized to sign this Power of Attorney on behalf of
`
`the Petitioner.
`
`Dated: August
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`"Tl
`
`-$5
`
`, 2016
`
`
`_
`
`By:
`
`_
`
`David Howard '
`
`Corporate Vice President-
`Deputy General Counsel
`Microsoft Corporation
`
`
`
`Patent No. 5,754,946
`Attomey Docket No. 41826-3093
`
`CERTIFICATE OF SERVICE
`
`The undersigned hereby certifies that on August j 2016, a true copy of
`
`the foregoing Power of Attorney, including all papers filed therewith, was served
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`upon the following counsel of record for Patent Owner via UPS Overnight
`
`Courier:
`
`Craig Jepson
`Reed & Scardino LLP
`
`301 Congress Ave. Suite 1250
`Austin, TX 78701
`
`Dated: August Z, 2016
`
`y___,
`By’ \
`
`Chun M. Ng, Reg. No.‘3"'_(5-,§’_7'8
`CNg@perkinscoie.com
`1201 Third Avenue, Suite 4900
`
`Seattle, WA 98101—3099
`Telephone: 206.359.8000
`Facsimile: 206.359.9000
`
`Attorneys for Petitioner
`Microsofi; Corporation