`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`In re US. Patent No. 9,153,835
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`Case No.:
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`Attorney Docket No. 088357.0101
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`Inventor: Pytlik et a1.
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`Filed: February 9, 2010
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`Issued: October 6, 2015
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`Title: Button Cells and Method for
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`Producing Same
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`In re U.S. Patent No. 9,949,581
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`Case No.:
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`Attorney Docket No. 088357.0101
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`Inventor: Pytljk et a1.
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`Filed: August 17, 2015
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`Issued: November 15, 2016
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`Title: Button Cells and Method of
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`Producing Same
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`In re US. Patent No. 9,799,858
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`Case No.:
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`Attorney Docket No. 088357.0101
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`Inventor: Gaugler
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`Filed: June 18, 2010
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`Issued: October 24, 2017
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`Title: Button Cell Having Winding
`Electrode and Method for the Production
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`Thereof
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`
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`Inter Partes Review of US. 9,153,835, 9,949,581, 9,799,858, 9,799,913
`Docket No. 0883 57.0101
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`In re US. Patent No. 9,799,913
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`Case No.:
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`Attorney Docket No. 0883 57.0101
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`5
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`Inventor: Pytlik et a1.
`Filed: October 3, 2016
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`Issued: October 24, 2017
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`Title: Button Cells and Method of
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`Producing Same
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`Mail Stop PATENT BOARD
`Patent Trial and Appeal Board
`US. Patent and Trademark Office
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`P.O. Box 1450
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`Alexandria, Virginia 223 13-1450
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`PETITIONER’S POWER OF ATTORNEY
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner Audio Partnership LLC and
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`Audio Partnership PLC dfb/a Cambridge Audio (“Petitioner”) hereby appoints the
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`following practitioners as its attorneys to transact all business in the United States
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`Patent and Trademark Office associated with Petitions for Inter Partes Review of
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`US. Patent No. 9,153,835, 9,949,581, 9,799,858 and 9,799,913:
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`
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`Inter Partes Review of US. 9,153,835, 9,949,581, 9,799,858, 9,799,913
`Docket No. 0883570101
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`Lead Counsel
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`Back-Up Counsel
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`Paul A. Ragusa
`Reg. No. 38,587
`Baker Botts L.L.P.
`
`30 Rockefeller Plaza
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`New York,NY 10112
`Phone: 212-408-2500
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`Jennifer C. Tempesta
`Reg. No. 59,021
`Baker Botts L.L.P.
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`30 Rockefeller Plaza
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`New York,NY 10112
`Phone: 212-408-2500
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`Fax: 212-259—2500
`Fax: 212-259-2500
`Wm WWW—M
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`Petitioner also grants a full power of attorney to practitioners associated with
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`the Customer Number 21003 to transact all business in the United States Patent
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`and Trademark Office associated with the above identified inter partes reviews.
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`The individual signing below has the authority to execute this document on
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`behalf of Petitioner.
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`Petitioner Audio Partnership LLC and Audio Partnership PLC d/b/a
`Cambridge Audio
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`Signature: M Date:
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`'[JW'YZ2020
`
`Name:
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`Jim/95 JoHdSonl-‘FL‘HT
`
`Title:
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`0116? atawfidé afilcéfl/
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`