`Paper No. _______
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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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`SK hynix Inc., SK hynix America Inc., SK hynix memory solutions Inc., and
`Hynix Semiconductor Manufacturing America Inc.
`Petitioners,
`v.
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`DSS Technology Management, Inc.
`Patent Owner.
`
`Patent No. 6,784,552
`Issued: August 31, 2004
`Filed: March 31, 2000
`Inventors: James E. Nulty, Christopher J. Petti
`Title: STRUCTURE HAVING REDUCED LATERAL SPACER
`EROSION
`______________________
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`
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`Inter Partes Review No. ______
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`POWER OF ATTORNEY FOR PETITIONERS
`SK HYNIX INC., SK HYNIX AMERICA INC., SK HYNIX MEMORY
`SOLUTIONS INC., AND HYNIX SEMICONDUCTOR
`MANUFACTURING AMERICA INC.
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`WDC 373142267v1
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`Petition re US. Pat.'6,)e7(84,e552 V
`o§ 42.T10(b), Petitioners SK nynixIne., SK
`In accordance wnn37 C.F.R.
`hynix America Inc.,( SK hynix memorysolutions 1110., and HynixiSemeiconductor( 3
`7 Manufacturing America Inc. (collectively, “SK hynix”) hereby appoint:
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`Lead Counsel
`Heath Briggs
`Reg. No; 54,919
`GREENBERG TRAURIG, LLP
`1200 17th Street, Suite 2400
` Denver, co 80202
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`BriggsH@gt1aw.com
`Phone: (303) 572-6500
`(Fax: (303)572-6540
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`Backup Lead Counsel
`3 Patrick J. McCarthy
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`Reg. No. 62,762 0
`GREENBERG TRASURIG, LLP
`2101 L Street,N.W;, Suite 1000
` Washington, DC 20037
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`McCa1thyPe@gtIaw.ico)m i
`Phone: (202)331-3100
`Fax: (202) 331-3101 V 3
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`connection therewith.
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`I have authority)to sign this document on behalfofPetitioners,
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`hynix; 5)
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`WDC 37314226701 W