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`IPR2019-01282
`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`__________
`
`BLACKBERRY CORP.,
`Petitioner,
`
`v.
`
`UNILOC 2017 LLC,
`Patent Owner.
`__________
`
`IPR2019-01282
`Patent 7,167,487 B2
`__________
`
`PETITIONER’S REVOCATION AND UPDATED POWER OF ATTORNEY
`PURSUANT TO 37 C.F.R. § 42.10 (b)
`
`Pursuant to 37 C.F.R. § 42.10(b), Petitioner, BlackBerry Corp., hereby appoints
`
`Robert Mattson of MATTSON IP PLC and Timothy Maier and Christopher Maier of
`
`MAIER & MAIER, PLLC as its attorneys to transact all business in the United States
`
`Patent and Trademark Office and Patent Trial and Appeal Board associated with the
`
`above-captioned inter partes review:
`
`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
`
`
`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
`
`
`
`-1-
`
`

`

`
`
`
`
`IPR2019-01282
`
`Petitioner hereby revokes its prior appointment and power of attorney of the
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`practitioners associated with Customer Number 22850.
`
`I am the Senior Director, Legal Counsel of Petitioner, BlackBerry Corp., and I
`
`have the authority to execute this document on behalf of Petitioner.
`
`For: BlackBerry Corp.
`
`/Ned Siegel/_________________
`By: Ned Siegel
`Title: Senior Director, Legal Counsel,
`BlackBerry Corp.
`Telephone: 972-584-3036
`
`
`Date: _5/08/2020_____________
`
`
`
`
`-2-
`
`
`
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`
`

`

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`
`
`IPR2019-01282
`
`CERTIFICATE OF SERVICE
`
`Pursuant to 37 C.F.R. § 42.6(e), the undersigned hereby certifies service of
`
`PETITIONER’S REVOCATION AND UPDATED POWER OF ATTORNEY
`PURSUANT TO 37 C.F.R. § 42.10 (b)
`
`on the counsel of record for the Patent Owner by filing this document through the
`
`PTAB E2E System as well as delivering a copy via electronic mail to the following
`
`addresses:
`
`Ryan Loveless
`ryan@etheridgelaw.com
`
`Brett Mangrum
`brett@etheridgelaw.com
`
`James Etheridge
`jim@etheridgelaw.com
`
`Jeffrey Huang
`jeff@etheridgelaw.com
`
`
`
`Dated: May 11, 2020
`
`/Robert C. Mattson/
`Robert C. Mattson
`Reg. No. 42,850
`
`
`
`
`
`
`
`-3-
`
`

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