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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`GLOBAL TEL*LINK CORPORATION
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`Petitioner
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`V.
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`SECURUS TECHNOLOGIES, INC.
`Patent Owner
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`Patent 9,083,850 B1
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`GLOBAL TEL*LINK CORPORATIONS POWER OF ATTORNEY
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`PURSUANT TO 37 C.F.R. § 42.10(b)
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`Mail Stop “PA TENT BOARD”
`Patent Trial and Appeal Board
`U.S. Patent & Trademark Office
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`P.O. Box 1450
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`Alexandria, VA 22313-1450
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`
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`IPR Petition of U.S. Patent No. 9,083,850
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner, Global Tel*Link Corporation,
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`having a principal place of business at 12021 Sunset Hills Road, Suite 100, Reston,
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`Virginia 20190, hereby appoints the practitioners of Customer No. 26111 as its
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`attorneys to transact all business in the United States Patent & Trademark Office
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`and Patent Trial and Appeal Board associated with the above-captioned Inter
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`Partes Review ofU.S. Patent No. 9,083,850.
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`These attorneys include at least:
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`Lead Counsel Lori A. Gordon, Registration No. 50,633
`lgordon-PTAB@skg£com
`Tel: 202-772-8862
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`Back»-up Counsel Steven M. Pappas, Registration No. 73,904
`spappas-PTAB@skgf.corn
`Tel: 202-772-8719
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`Michael D. Specht, Registration No. 54,463
`mspecht-PTAB@skgf.com
`Tel: 202-772-8756
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`Michael B. Ray, Registration No. 33,997
`mray-PTAB @skgf.corn
`Tel: 202-772-8569
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`Address STERNB, KBSSLER, GOLDSTEIN & Fox P.L.L.C.
`1100 New York Avenue, NW.
`Washington, D.C. 20005
`Tel: 202-371-2600
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`Fax: 202-371-2540
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`
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`IPR Petition of US. Patent No. 9,083,850
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`
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`28284-26_1.DOCX