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`Patent No. 6,667,061
`Petition for Inter Partes Review
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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`LUYE PHARMA GROUP LTD., LUYE PHARMA (USA) LTD., SHANDONG
`LUYE PHARMACEUTICAL CO., LTD., and NANJING LUYE
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`PHARMACEUTICAL CO., LTD.
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`Petitioners
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`V.
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`ALKERMES, INC., ALKERMES PHARMA IRELAND LTD, and
`ALKERMES CONTROLLED THERAPEUTICS INC.
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`Patent Owners
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`Patent No. 6,667,061 to Ramstack et al.
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`Issue Date: December 23, 2003
`Title: PREPARATION OF INJECTABLE SUSPENSIONS
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`HAVING IMPROVED INJECTABILITY
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`Inter Partes Review No. Unassigned
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`POWER OF ATTORNEY OF LUYE PHARMA (USA) LTD.
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`Mail Stop: Patent Board
`Patent Trial and Appeal Board
`U.S. Patent And Trademark Office
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`P.O. Box 1450
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`Alexandria, VA 22313-1450
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`IPR POA Luye Pharma (USA) Ltd. USPN 6,667,061 (2)
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`
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`Case IPR20 l 6-
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`Patent No. 6,667,061
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`Petition for Inter Partes Review
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`PETITIONERS’ POWER OF ATTORNEY
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`I hereby appoint Practitioner(s) associated with the firm of Lerner, David,
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`Littenberg, Krumholz & Mentlik,
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`LLP, 600 South Avenue West, Westfield,
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`New Jersey 07090 (Customer Number 00530) as Petitioners’ attomey(s)
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`to
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`prosecute the above-captioned Inter Partes Review proceeding, and to transact all
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`business in the United States Patent and Trademark Office connected therewith,
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`including the appointment of lead and backup counsel. Please recognize the
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`correspondence address for that Customer Number (including any electronic mail
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`address) for the above-captioned Inter Partes Review, filed herewith, to be the
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`address associated with the appointed lead and backup counsel.
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`LUYE PHARMA (USA) LTD.
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`Dated: 5 73-6 /3*0f6
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`By:
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`_—/_— :
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`Print Name:
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`Yang Rongbing
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`Title:
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`Director of the Board
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`4540086_l .docx