`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`BUTAMAXTM ADVANCED BIOFUELS LLC
`Petitioner
`
`V.
`
`GEVO, INC.
`Patent Owner
`
`CASE IPR: Unassigned
`Patent No. 8,273,565
`
`BUTAMAXTM ADVANCED BIOFUELS LLC’S
`POWER OF ATTORNEY
`(INTER PARTES REVIEW OF U.S. PATENT NO. 8,273 5565)
`
`Mail Stop "PATENTBOARD"
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 223 13-1450
`
`
`
`BUTAMAXTM ADVANCED BIOFUELS LLC Power of Attorney for
`Inter Partes Review of U.S. Patent No, 8,273,565
`
`Pursuant to 37 C.F.R. § 42.10(b), Petitioner, ButamaxTM Advanced Biofuels
`
`LLC, a Delaware corporation, having a principal place of business at Route 141 &
`
`Henry Clay, P0 Box 80356, Experimental Station - Bldg.
`
`356, Wilmington, DE
`
`19880, hereby appoints the following practitioners as its attorneys to transact all
`
`business in the United States Patent & Trademark Office associated with an
`
`inter
`
`partes review of U.S. Patent No. 8,273,565:
`
`Deborah A. Sterling (Reg. No. 62,732) phone: 202.772.8501
`Lead Counsel: (cid:9)
`Back-up Counsel: Peter A. Jackman (Reg. No. 45,986) phone: 202.772.8582
`STERNE, KESSLER, GOLDSTEIN & Fox P.L.L.C.
`Address: (cid:9)
`1100 New York Avenue, NW
`Washington, DC 20005
`202.371,2600 (reception)
`202.371.2540 (facsimile)
`dsterlin-PTAB skgf. corn
`pjackman-PTAB@skgf.com
`
`FOR: ButamaxTM
`
`SIGNATURE:/
`BY:
`TITLE: \iP
`DATE:
`
`t (cid:9)
`
`(kVVVV
`
`kyod
`
`
`
`BUTAMAXTM ADVANCED BIOFUELS LLC Power of Attorney for
`Inter Partes Review of U.S. Patent No. 8,273,565
`
`CERTIFICATION OF SERVICE (37 C.F.R. 42.6(e), 42.105(a))
`
`The undersigned hereby certifies that the above-captioned "B utamaxTM
`
`Advanced Biofuels LLC’s Power of Attorney for Inter Partes Review of U.S. Patent
`
`No. 8,273,565 Under 37 C.F.R. § 42.10(b)," was served in its entirety on April 4,
`
`2014, upon the following party via FedEx fi :
`
`COOLEY LLP
`ATTN: Patent Group
`1299 Pennsylvania Ave, NW
`Suite 700
`Washington, DC 20004
`Patent owner’s correspondence
`address of record for
`U.S. Patent No. 8,273,565
`
`Date: Pcp\ t.f ,lOit.
`
`1100 New York Avenue, N.W
`Washington, D.C.20005-3934
`(202) 371-2600
`
`16690271 .DOCX
`
`STERNE, KESSLER, GOLDSTEIN & Fox
`P.L.L.C.
`
`, ~1-w Debor. Sterling, Ph.D.
`
`Attorney for Petitioner
`Registration No. 62,732
`
`