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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`VALVE CORPORATION,
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`Petitioner,
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`V.
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`IRONBURG INVENTIONS LTD.,
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`Patent Owner.
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`Cases
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`IPR2016-00948 (Patent 8,641,525)
`IPR2016-00949 (Patent 9,089,770)
`1PR2017-00136 (Patent 8,641,525)
`IPR2017—00137 (Patent 9,089,770)
`IPR2017—00858 (Patent 9,289,688)
`1PR2017-01928 (Patent 9,352,229)
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`PATENT OWNER’S AMENDED POWER OF ATTORNEY
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`
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`IPR2016—00948, IPR2016-00949, IPR2017-00136
`IPR2017-00137, IPR2017-00858, IPR2017-01928
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`Pursuant to 37 C.F.R. § 42.10(b), Patent Owner, Ironburg Inventions Ltd., a
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`corporation duly organized and existing under the laws of the United Kingdom
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`having its principal place of business at 10 Market Place, Wincanton, BA9 9LP,
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`Great Britain, hereby appoints the following practitioners as its attorneys to
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`transact all business in the United States Patent and Trademark Office associated
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`with the above—captioned inter parties review.
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`These attorneys include at least:
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`Lead Counsel
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`Ehab M. Samuel, Reg. No. 57,905
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`MANATT, PHELPS & PHILLIPS, LLP
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`11355 W. OlympicBlVd.
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`Los Angeles, CA 90064
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`Tel: (310) 312-4000
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`Fax: (310) 312-4224
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`esamuel-PTAB@manatt.com
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`Back-up Counsel
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`Yasser EluGamal, Reg. No. 45,339
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`MANATT, PHELPS & PHILLIPS, LLP
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`695 Town Center Drive, 14th Floor
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`Costa Mesa, CA 92626
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`Tel: (714) 371-2500
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`Fax: (714) 371-2550
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`YEIGamal@manatt.com
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`The individual signing below has the authority to execute this document on
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`behalf of Patent Owner.
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`
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`IPR2016—00948, IPR2016-00949, IPR2017-00136
`IPR2017-00137, IPR2017—00858, IPR2017—01928
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`FOR: Ironburg Inventions Ltd.
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`SIGNATURE: ,. _/ +/””” ‘
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`BY: Duncan Ironmonger
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`TITLE: Director
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`DATE: September 18, 2017
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`3192630991
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`