`UNITED STATES PATENT AND TRADEMARK OFFICE
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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. IPR2015-01476
`U.S. Patent No. 8,727,773 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
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`prosecute the aforementioned proceeding, and to transact all business in the
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`United States Patent and Trademark Office concerned therewith, including the
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`appointment of lead and backup counsel. Please recognize the correspondence
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`address (including any electronic email address) for the above—identified Inter
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`Partes Review proceeding number to be the address associated with the
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`appointed lead and 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: June 2%, 2015
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`US Endodontics, LLC
`“Li/i—
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`
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`By:
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`Name: Charles]. Goodis
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`Title: Member
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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 June 25, 2015, via Express Mail upon the following correspondence address
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`of record for U.S. Patent No. 8,727,773:
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`
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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 the Patent Owner in
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`IPR2015-00632:
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`Steven Lieberman
`Rothwell, Figg, Ernst & Manbeck, P.C.
`607 14th St. NW, Suite 800
`Washington, D.C. 20005
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`
`
`
`
`
`
`
`/Jeffrey S. Ginsberg/
`Jeffrey S. Ginsberg
`KENYON & KENYON LLP
`One Broadway
`New York, NY 10004-1007
`Tel: (212) 425-7200
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`
`