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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`LEEDARSON LIGHTING CO., LTD.,
`LEEDARSON AMERICA, INC.,
`Petitioners,
`v.
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`LIGHTING SCIENCE GROUP CORP.
`Patent Owner.
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`Case No.: IPR2018-00270
`Patent No.: 8,672,518
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`POWER OF ATTORNEY FOR PATENT OWNER
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`Patent Owner Lighting Science Group Corp. hereby appoints the following
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`practitioners as its attorneys to transact all business in the U.S. Patent and Trademark
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`Office associated with the above-captioned IPR of U.S. Patent No. 8,672,518.
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`Garret A. Leach
`Kirkland & Ellis LLP
`300 N. LaSalle
`Chicago, IL 60654
`Phone: 312-862-2000
`garret.leach@kirkland.com
`USPTO Reg. 41,932
`Eric D. Hayes
`Kirkland & Ellis LLP
`300 N. LaSalle
`Chicago, IL 60654
`Phone: 312-862-2000
`eric.hayes@kirkland.com
`USPTO Reg. 53,004
`Eugene Goryunov
`Kirkland & Ellis LLP
`300 N. LaSalle
`Chicago, IL 60654
`Phone: 312-862-2000
`eugene.goryunov@kirkland.com
`USPTO Reg. 61,579
`Kyle M. Kantarek
`Kirkland & Ellis LLP
`300 N. LaSalle
`Chicago, IL 60654
`Phone: 312-862-2000
`kyle.kantarek@kirkland.com
`USPTO Reg. 74,441
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`The individual signing below has the authority to execute this document on
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`behalf of Patent Owner Lighting Science Group Corp.
`2
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`Date:
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`[2" {6"}?
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`Name: 8%“; g %%;E;;;
`Title: VP. M Wad WI
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`Patent Owner Lighting Science Group Corp.
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`CERTIFICATE OF SERVICE
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`I hereby certify that a true and correct copy of the foregoing Power Of Attorney
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`For Patent Owner was served on December 22, 2017, via email to counsel for Petitioners
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`at the following:
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`Jeffery Johnson
`3J6PTABDocket@orrick.com
`Don Daybell
`D2DPTABDocket@orrick.com
`Orrick, Herrington & Sutcliffe LLP
`609 Main Street, 40th Floor
`Houston, TX 77002
`Phone: (713) 658-6400
`Fax: (713) 658-6401
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`Date: December 22, 2017
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`/s/ Garret A. Leach
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`Kirkland & Ellis LLP
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`4
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