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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`______________________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`______________________
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`MICROSOFT CORPORATION,
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`Petitioner
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`v.
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`DIRECTSTREAM, LLC,
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`Patent Owner
`_______________________
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`IPR2018-01605, IPR2018-01606, and IPR2018-01607
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`Patent No. 7,620,800
`_______________________
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`PATENT OWNER DIRECTSTREAM, LLC’S
`UPDATED POWER OF ATTORNEY
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`1
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`Under 37 C.F.R. § 42.10(b), Patent Owner DirectStream, LLC hereby
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`appoints the following practitioners as its attorneys to prosecute its special
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`appearance in this Inter Partes Review and to transact all business in the Patent
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`and Trademark Office connected therewith:
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`LEAD COUNSEL
`Alfonso Chan, Reg. No. 45,964
`SHORE CHAN DEPUMPO LLP
`901 Main Street, Suite 3300
`Dallas, TX 75202
`Telephone: (214) 593-9110
`Email: achan@shorechan.com
`Fax: (214) 593-9111
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`BACKUP COUNSEL
`Joseph DePumpo, Reg. No. 38,124
`SHORE CHAN DEPUMPO LLP
`901 Main Street, Suite 3300
`Dallas, TX 75202
`Telephone: (214) 593-9110
`Email: jdepumpo@shorechan.com
`Fax: (214) 593-9111
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`Christopher L. Evans
`SHORE CHAN DEPUMPO LLP
`901 Main Street, Suite 3300
`Dallas, TX 75202
`Telephone: (214) 593-9110
`Email: cevans@shorechan.com
`Fax: (214) 593-9111
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`Sean Hsu, Reg. No. 69,477
`JANIK VINNAKOTA LLP
`8111 Lyndon B Johnson Fwy #790
`Dallas, TX 75251
`Telephone: (214) 390-9999
`Email: shsu@jvllp.com
`Fax: (214) 888-0219
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`G. Donald Puckett
`JANIK VINNAKOTA LLP
`8111 Lyndon B Johnson Fwy #790
`Dallas, TX 75251
`Telephone: (214) 390-9999
`Email: dpuckett@jvllp.com
`Fax: (214) 888-0219
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`Rajkumar Vinnakota
`JANIK VINNAKOTA LLP
`8111 Lyndon B Johnson Fwy #790
`Dallas, TX 75251
`Telephone: (214) 390-9999
`Email: kvinnakota@jvllp.com
`Fax: (214) 888-0219
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`I have the authority to execute this document on behalf of DirectStream,
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`LLC.
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`Dated: June 6, 2018
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`
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`CERTIFICATE OF SERVICE
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`Pursuant to 37 C.F.R. §§ 42.6(3)(1), 42.6(e)(4), and 42.25(b), the
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`undersigned certifies that a complete copy of Patent Owner DirectStream, LLC’s
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`Updated Power of Attorney was filed electronically through the Patent Trial and
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`Appeal Board’s PTAB E2E System and provided, via electronic service, to the
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`Petitioner by serving the correspondence address of record as follows:
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`Joseph A. Micallef
`jmicallef@sidley.com
`Scott M. Border
`sborder@sidley.com
`SIDLEY AUSTIN LLP
`1501 K Street N.W.
`Washington, DC 20005
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`Jason P. Greenhut
`jgreenhut@sidley.com
`SIDLEY AUSTIN LLP
`1 South Dearborn
`Chicago, IL 60603
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`Dated: June 6, 2019
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`/Alfonso Chan/
`Alfonso Chan
`Reg. No. 45,964
`Phone: 214-593-9118
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