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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`US ENDODONTICS, LLC,
`Petitioner
`
`v.
`
`GOLD STANDARD INSTRUMENTS, LLC,
`Patent Owner
`
`Case No. IPR2015-00632
`U.S. Patent No. 8,727,773 B2
`
`REVISED PETITIONER POWER OF ATTORNEY
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`8260764v.1
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`
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`Revised Petitioner Poweggf Attorney
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`Pursuant to 37 C.F.R. 42.’l.0(b), US Endodontics, LLC hereby withdraws its previous
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`appointment of Practitioners associated with Customer Number 26646, and hereby appoints
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`Practitioners associated with Customer Number 135806, as its attorneys to prosecute the
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`aforementioned proceeding, and to transact all business in the United States Patent and
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`Trademark Office concerned therewith, including the appointment of lead and backup counsel.
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`Please recognize the correspondence address (including any electronic email address) for the
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`above—identified Inter Partes Review proceeding number to be the address associated with the
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`appointed lead counsel.
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`The undersigned, whose title is supplied below, is authorized to act on behalf of US
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`Endodontics, LLC.
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`Dated: November 6, 2015
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`US Endodontics, LLC
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`./"//7
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`By:
`Name: Charles J. Goodis
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`~~...
`
`Title: Member
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`8260764v. l
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`Certificate of Service
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`Pursuant to 37 C.F.R. § 42.6(e), the undersigned certifies that on November 10, 2015, the
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`foregoing Revised Petitioner Power of Attorney was served via e-mail upon the following
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`counsel of record for the Patent Owner:
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`Joseph A. Hynds
`(jhynds@rothwellfigg.com)
`R. Elizabeth Brenner-Leifer
`(ebrenner@rothwellfigg.corn)
`Steven Lieberman
`(slieberman@rothwellfigg.com)
`Jason M. Nolan
`(jnolan@rothwellfigg.com)
`Derek F. Dahlgren
`(ddahlgren@rothwellfigg.com)
`Rothwell, Figg, Ernst & Manbeck, P.C.
`607 14th Street, N.W., Suite 800
`Washington, DC 20005
`
`/Jeffrey S. Ginsberg/
`Jeffrey S. Ginsberg (Reg. No. 36,148)
`Patterson Belknap Webb & Tyler LLP
`1133 Avenue of the Americas
`New York, NY 10036-6710
`Tel.: (212) 336-2630
`Fax: (212) 336-1270
`E-mail: jginsberg@pbwt.com
`
`8260764v.1