`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
`
`
`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`_____________________
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`_____________________
`
`
`
`INTELGENX CORP.
`Petitioner,
`
`v.
`
`ICOS CORP.
`Patent Owner.
`
`_____________________
`
`CASE IPR No. Unassigned
`Patent 6,943,166
`_____________________
`
`INTELGENX CORP.'S POWER OF ATTORNEY
`
`
`
`
`all business in the United States Patent & Trademark Office associated with an inter
`
`partes review of U.S. Patent No. 6,943,166.
`
`These attorneys include at least:
`
`Lead Counsel:
`
`Deborah A. Sterling (Reg. No. 62,732)
`
`Back—up Counsel: David H. Holman (Reg. No. 61,205)
`
`Joshua McCoy (Reg. No. 70,307)
`
`Address:
`
`STERNE, KESSLER, GOLDSTEIN & Fox P.L.L.C.
`
`1 100 New York Avenue, N.W.
`
`Washington, DC 20005
`
`202.371.2600 (reception)
`
`202.371.2540 (facsimile)
`
`dsterlin—PTAB@skgfcom
`
`dholman-PTAB@skgf.com
`
`FOR: INTELGEN
`
`SIGNATURE:
`
`BY: Horst G. Zerbe
`
`TITLE: President and CEO
`
`DATE: February 11, 2016
`
`
`
`CERTIFICATE OF SERVICE (37 C.F.R. § 42.6(e))
`
`
`
`The undersigned hereby certifies that the above-captioned IntelGenX Corp.’s
`
`Power of Attorney, was served in its entirety on February 26, 2016, upon the
`
`following parties via FedEx®:
`
`MARSHALL, GERSTEIN & BORUN LLP
`233 South Wacker Drive
`6300 Willis Tower
`Chicago IL 60606-6357
`
`Patent owner’s correspondence address of
`record for U.S. Patent No. 6,943,166
`
`
`
`
`
`
`
`
`
` STERNE, KESSLER, GOLDSTEIN & FOX P.L.L.C.
`
`________
`
`
`
`
` Deborah A. Sterling (Reg. No. 62,732)
`Date: February 26, 2016
` Lead Attorney for Petitioner
`
`
`
`
`
` IntelGenX Corp.
`
`
`
`
`
`1100 New York Avenue, N.W.
`Washington, D.C. 20005-3934
`(202) 371-2600