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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`SEOUL SEMICONDUCTOR CO., LTD., and
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`SEOUL SEMICONDUCTOR, INC.
`Petitioners,
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`V.
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`DOCUMENT SECURITY SYSTEMS, INC.
`Patent Owner.
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`00333
`Case No. IPR2018- 00333
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`US. Patent No. 7,256,486
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`PETITIONERS’ POWER OF ATTORNEY FOR PETITION FOR
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`INTER PARTES REVIEW OF US. PATENT NO. 7,256,486
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`Petitioners hereby appoint the below Practitioners as its attorneys to transact
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`all business before the Patent Trial and Appeal Board of the United States Patent
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`and Trademark Office connected with the above-captioned Petition for Inter Partes
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`Review.
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`_ _ _
`_L_ead Counsel
`1 Backup Counsel
`Michael Eisenberg (Reg. No. 50,643)
`Charles H. Sanders (Reg. No. 47,053)
`michacleisenberggcbhklaw.com
`charles.sanders@lw.com
`31 West 52nd Street
`Latham & Watkins LLP
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`New York, NY 10019
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`200 Clarendon Street
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`Boston, MA 02116
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`
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` J
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`Jonathan M. Strang (Reg. No. 61,724)
`jonathan.strang@lw.com
`Latham & Watkins LLP
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`555 Eleventh Street, NW, Ste. 1000
`Washington, DC 20004-1304
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`
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`The individuals signing below have the authority to execute this document
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`on behalf of Petitioners Seoul Semiconductor Co., Ltd. and Seoul Semiconductor,
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`Inc.;
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`Seoul Semiconductor Co., Ltd. and Seoul Semiconductor, Inc.
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`W— Date
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`Pac . (12.013
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