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`____________________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`____________________
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`US ENDODONTICS, LLC,
`Petitioner
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`v.
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`GOLD STANDARD INSTRUMENTS, LLC,
`Patent Owner
`____________________
`
`Case No. PGR2015-00019
`U.S. Patent No. 8,876,991 B2
`____________________
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`PETITIONER POWER OF ATTORNEY
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`Petitioner Power of Attorney
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`Pursuant to 37 C.F.R. § 42.10(b), US Endodontics, LLC hereby appoints
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`Practitioners associated with Customer Number 26646, as its attorneys to prosecute
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`the aforementioned proceeding, and to transact all business in the United States
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`Patent and Trademark Office concerned therewith, including the appointment of
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`lead and backup counsel. Please recognize the correspondence address (including
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`any electronic email address) for the aboVe—identified Post Grant Review
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`proceeding number to be the address associated with the appointed lead and
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`backup counsel.
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`The undersigned, whose title is supplied below, is authorized to act on
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`behalf of US Endodontics, LLC.
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`Dated:
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`, 2015
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`By:
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`US Endodontics, LLC
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`Name: Charles J. Goodis
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`Title: Member
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`
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`Certificate of Service
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`The undersigned hereby confirms that the foregoing Power of Attorney was
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`served on August 3, 2015, via FedEx Express upon the following correspondence
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`address of record for U.S. Patent No. 8,876,991:
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`Quarles & Brady LLP
`Attn: IP Docket
`411 E. Wisconsin Avenue
`Suite 2350
`Milwaukee, WI 53202-4426
`
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`A courtesy copy was also provided to counsel representing Patent Owner in
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`IPR2015-00632 and IPR 2015-01476 and litigation counsel for Patent Owner’s
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`licensee:
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`Steven Lieberman
`Joseph Hynds
`R. Elizabeth Brenner-Leifer
`Derek Dahlgren
`Jason Nolan
`Rothwell, Figg, Ernst & Manbeck, P.C.
`607 14th St. NW, Suite 800
`Washington, D.C. 20005
`
`
`
`/Eric T. Schreiber/
`Eric T. Schreiber (Reg. No. 58,771)
`KENYON & KENYON LLP
`One Broadway
`New York, NY 10004-1007
`Tel: (212) 425-7200