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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’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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`I have the authority to execute this document on behalf of DirectStream,
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`LLC.
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`By:
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`e:
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`46» fidméfl
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`Title: Main» 9 4
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`Date: May 22, 2019
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