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`IPR2019-01282
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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`__________
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`BLACKBERRY CORP.,
`Petitioner,
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`v.
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`UNILOC 2017 LLC,
`Patent Owner.
`__________
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`IPR2019-01282
`Patent 7,167,487 B2
`__________
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`PETITIONER’S REVOCATION AND UPDATED POWER OF ATTORNEY
`PURSUANT TO 37 C.F.R. § 42.10 (b)
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner, BlackBerry Corp., hereby appoints
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`Robert Mattson of MATTSON IP PLC and Timothy Maier and Christopher Maier of
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`MAIER & MAIER, PLLC as its attorneys to transact all business in the United States
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`Patent and Trademark Office and Patent Trial and Appeal Board associated with the
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`above-captioned inter partes review:
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`Lead Counsel
`Robert Mattson, Reg. No. 42,850
`MATTSON IP PLC
`341 S Patrick St.
`Alexandria, VA 22314
`Tel: 703-585-6188
`Fax: 571-536-6007
`RMattson@MattsonIP.com
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`Backup Counsel
`Timothy Maier, Reg. No. 51,986
`Christopher Maier, Reg. No. 53,255
`MAIER & MAIER, PLLC
`345 S Patrick St.
`Alexandria, VA 22314
`Tel: 703-740-8322
`Fax: 703-991-7071
`tjm@maierandmaier.com
`cjm@maierandmaier.com
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`IPR2019-01282
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`Petitioner hereby revokes its prior appointment and power of attorney of the
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`practitioners associated with Customer Number 22850.
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`I am the Senior Director, Legal Counsel of Petitioner, BlackBerry Corp., and I
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`have the authority to execute this document on behalf of Petitioner.
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`For: BlackBerry Corp.
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`/Ned Siegel/_________________
`By: Ned Siegel
`Title: Senior Director, Legal Counsel,
`BlackBerry Corp.
`Telephone: 972-584-3036
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`Date: _5/08/2020_____________
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`IPR2019-01282
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`CERTIFICATE OF SERVICE
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`Pursuant to 37 C.F.R. § 42.6(e), the undersigned hereby certifies service of
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`PETITIONER’S REVOCATION AND UPDATED POWER OF ATTORNEY
`PURSUANT TO 37 C.F.R. § 42.10 (b)
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`on the counsel of record for the Patent Owner by filing this document through the
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`PTAB E2E System as well as delivering a copy via electronic mail to the following
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`addresses:
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`Ryan Loveless
`ryan@etheridgelaw.com
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`Brett Mangrum
`brett@etheridgelaw.com
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`James Etheridge
`jim@etheridgelaw.com
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`Jeffrey Huang
`jeff@etheridgelaw.com
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`Dated: May 11, 2020
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`/Robert C. Mattson/
`Robert C. Mattson
`Reg. No. 42,850
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