`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`PHIGENIX, INC.
`Petitioner
`
`IMMUNOGEN, INC.
`Patent Owner
`
`Case IPR2014-00676
`
`Patent 8,337,856 B2
`
`PHIGENIX, INC.’S UPDATED POWER OF ATTORNEY
`
`Mail Stop "PATENT BOARD"
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`
`P.O. Box 1450
`
`Alexandria, VA 22313-1450
`
`
`
`PHIGENIX, INC.’S UPDATED POWER OF ATTORNEY
`CASE IPR20l4-00676
`
`Pursuant to 37 C.F.R. § 42.l0(b), Petitioner, Phigenix, Inc. hereby appoints
`
`the practitioner listed in the power of attorney attached hereto in Appendix A as
`
`additional counsel to transact all business in the United States Patent &Trademark
`
`Office associated with the inter partes review of U.S. Patent No. 8,337,856.
`
`Ping Wang (Reg. No. 48,328) remains lead counsel for Phigenix Inc., and
`
`Gregory Porter (Reg. No. 40,131) remains the primary back—up counsel.
`
`ANDREWS KURTH, LLP
`
` , M
`John Murray
`‘I
`Attorney for Petitioner
`Phigenix, Inc.
`Registration No. 61,497
`
`Date: December 21, 2015
`
`Andrews Kurth, LLP
`
`1350 I Street NW, Suite 1100
`
`Washington, D.C. 20005
`Phone: (202) 662-3075
`Fax: (202) 974-9523
`
`
`
`PHIGENIX, INC.’S UPDATED POWER OF ATTORNEY
`CASE IPR2014-00676
`
`CERTIFICATE OF SERVICE 137 C.F.R. § 42.6gen
`
`The undersigned hereby certifies that the aboVe—captioned “Phigenix Inc.l’s
`
`Updated Power of Attorney” was served Via electronic mail upon the following
`
`parties:
`
`Eldora L. Ellison, Ph.D.
`
`Sterne, Kessler, Goldstein & Fox P.L.L.C.
`1100 New York AVe., N.W.
`
`Washington, D.C. 20005-3934
`Tel: (202) 772-8508
`Fax: (202) 371-2540
`eellison@sl<gf.corn
`
`Eric K. Steffe
`
`Sterne, Kessler, Goldstein & Fox P.L.L.C.
`
`1100 New York AVe., N.W.
`
`Washington, D.C. 20005-3934
`Tel: (202) 772-8625
`Fax: (202) 371-2540
`esteffe@,skgf.com
`
`ANDREWS KURTH, LLP
`
` Date: December 21, 2015
`J
`Murray I
`//VJ
`Attorney for Petitioner
`Phigenix, Inc.
`Registration No. 61,497
`
`,4,
`
`g
`
`
`
`Andrews Kurth, LLP
`
`1350 I Street NW, Suite 1100
`
`Washington, D.C. 20005
`Phone: (202) 662-3075
`Fax: (202) 974-9523
`
`
`
`PHIGENIX, INC.’S UPDATED POWER OF ATTORNEY
`CASE IPR2014—00676
`
`APPENDIX A
`
`PHIGENIX INC.’S UPDATED POWER OF
`
`ATTORNEY
`
`
`
`IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`In the Inter Partes Review No. IPR2014~00676 of:
`
`A
`
`U.S. Patent No.: 8,337,856
`
`Issue Date: December 25, 2012
`
`Appl. Serial No.: 11/949,351
`
`Filing Date: December 3, 2007
`
`Title: METHODS OF TREATMENT USING ANTI-ERBB ANTIBODY-
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`MAYTANSINOID CONJUGATES
`
`PETITIONER'S POWER OF ATTORNEY IN
`
`INTER PARTES REVIEW NO. IPR2014-00676
`
`Petitioner, Phigenix, Inc., hereby appoints the following practitioner as an
`attorney to transact all business in the United States Patent & Trademark Office
`associated with the above—captioned Inter Partes Review.
`
`
`
`
`
`
`
`BACK~UP COUNSEL
`
`Matthew J. Dowd, Esq. (Reg. No. 47,534)
`Andrews Kurth LLP
`
`1350 I Street, NW, Suite 1100
`Washington, DC 20005
`Phone: (202) 662-2701
`Fax: (202) 974-9511
`MatthewDowd@andrewskurth.com
`
`
`
`
`
`
`
`
`The individual signing below has the authority to execute this document on
`behalf of Petitioner Phigenix, Inc.
`
`K
`Name: Carlton
`Title: President and CEO
`Date: 5; /1 {Z-[j
`
`, Ph.D.