`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`NEW NGC, INC, dba NATIONAL GYPSUM COMPANY,
`Petitioner
`
`V.
`
`UNITED STATES GYPSUM COMPANY,
`Patent Owner.
`
`Case No. IPR2017-013 51
`
`US. Patent No. 7,758,980
`
`PATENT OWNER UNITED STATES GYPSUM COMPANY’S
`
`POWER OF ATTORNEY
`
`Mail Stop PATENT BOARD
`Patent Trial and Appeal Board
`US Patent and Trademark Office
`
`PO Box 1450
`
`Alexandria, Virginia 223 13-1450
`
`
`
`Power of Attorney
`Case IPR2017—01351
`
`US. Patent No. 7,758,980
`
`In accordance with 37 CPR. §42.10(b), Patent Owner United States
`
`Gypsum Company hereby appoints the practitioners associated with Fitch, Even,
`
`Tabin & Flannery, LLP (Customer Number 22242),
`
`including the following
`
`counsel, as its representatives to act on its behalf in the above—identified petition
`
`for inter partes review, with full power to appoint an associate agent, and to
`
`transact all business in the United States Patent and Trademark Office in
`
`connection therewith.
`
`Timothy P. Maloney
`Reg. No. 38,233
`FITCH, EVEN, TABIN & FLANNERY LLP
`
`120 South LaSalle Street, Suite 1600
`
`Chicago, Illinois 60603
`Phone: 312.577.7000
`
`Facsimile: 312.577.7007
`
`tpmalo@fitcheven.com
`
`Karl R. Fink
`
`Reg. No. 34,161
`FITCH, EVEN, TABIN & FLANNERY LLP
`
`120 South LaSalle Street, Suite 1600
`Chicago, Illinois 60603
`Phone: 312.577.7000
`
`Facsimile: 312.577.7007
`
`krfInk@fItcheven.com
`
`Nicole Little
`
`pro hac Vice application forthcoming
`FITCH, EVEN, TABIN & FLANNERY LLP
`
`120 South LaSalle Street, Suite 1600
`
`Chicago, Illinois 60603
`Phone: 312.577.7000
`
`
`
`Power of Attorney
`Case IPR2017—01351
`
`US. Patent No. 7,758,980
`
`Facsimile: 312.577.7007
`
`nlittle@fitcheven.com
`The undersigned is authorized to Sign this Power of Attorney on behalf of
`
`Patent Owner.
`
`For United States Gypsum Company
`
`MA gm Qé [My WW
`
`Michelle M. Warner
`
`Senior Vice President, General Counsel
`
`& Corporate Secretary
`
`/
`
`
`May 5,2017
`
`