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IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`
`
`
`
`
`
`
`
`
`
`
`PATENT TRIAL AND APPEAL BOARD
`
`
`
`
`
`
`
`PRAXAIR DISTRIBUTION, INC. AND NOxBOX LIMITED
`Petitioner
`
`v.
`
`MALLINCKRODT HOSPITAL PRODUCTS IP LTD., AND INO
`THERAPEUTICS, INC. d/b/a IKARIA, INC.
`Patent Owner
`
`______________________
`
`CASE IPR: UNASSIGNED
`______________________
`
`NOXBOX LIMITED’S POWER OF ATTORNEY
`FOR INTER PARTES REVIEW OF
`U.S. PATENT NOS. 8,282,966; 8,293,284; 8,431,163; 8,795,741; and
`8,846,112
`
`
`
`
`
`
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
`
`

`
`nor an 40.1.0 J.1.£v nu.
`
`‘W005
`
`
`
`I hereby appoint Practitioner(s) associated with Customer Number 24573
`
`as my sttorney(s) to prosecute the aforementioned proceeding, and to transact
`all business in the United States Patent and Trademark Office connected
`
`therewith,
`
`including the appointment of lead and backup counsel. Please
`
`recognize the correspondence address (including any electronic mail address)
`for the above-identified Inter Partes Review proceeding numbers to be the
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`address associated with the appointed lead and backup counsel.
`
`The undersigned is authorized to execute this Power of Attorney on
`
`behalf of Petitioner NOxBox Limited.
`
`Dated: March 18, 2016
`
`

`
`CERTIFICATE OF SERVICE
`
`Pursuant to 37 C.F.R. § 42.6(e), the undersigned hereby certifies that a
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`copy of the foregoing Power of Attorney was served via Federal Express
`
`Priority Overnight® on this 23rd day of March 2016:
`
`Fish & Richardson PC (IKARIA INC.)
`P.O. Box 1022
`Minneapolis MN 55440
`
`
`The foregoing materials have also been served at the following additional
`
`addresses known to the petitioner as likely to effect service via Federal Express
`
`Priority Overnight® on this 23rd day of March 2016:
`
`Latham & Watkins LLP
`Kenneth G. Schuler
`David K. Callahan
`Marc N. Zubick
`330 North Wabash Avenue
`Chicago, IL 60611
`
`Lathan & Watkins LLP
`Robert Steinberg
`355 South Grand Avenue
`Los Angeles, CA 90071-1560
`
`
`By:
`
`
`
`
`
`
`
`/Benjamin E. Weed/
`Benjamin E. Weed
`Reg. No. 65,939
`benjamin.weed.PTAB@klgates.com
`T: (312) 781-7166
`F: (312) 345-1843
`K&L Gates LLP
`70 W. Madison Street, Suite 3100
`Chicago, IL 60602

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