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`Mail Stop PATENT BOARD
`Patent Trial and Appeal Board
`US Patent and Trademark Office
`PO BOX 1450
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`Alexandria, Virginia 223 13 — 1450
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`PATENT OWNER’S POWER OF ATTORNEY
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`Patent Owner, Universal Electronics Inc., hereby appoints the following
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`practitioners as its attorneys to transact all business in the United States Patent &
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`Trademark Office associated with any inter partes reviews of US. Patent Nos.
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`7,589,642, 8,004,389, 9,911,325, 9,716,853, 7,782,309, 7,821,504, 7,821,505,
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`7,895,532, and 8,015,446.
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`Benjamin S. Pleune (Reg. No. 52,421)
`Ryan W. Koppelman (Reg. No. 58,307)
`Thomas W. Davison (Reg. No. 57,160)
`James H. Abe (Reg. No. 61,182)
`Caleb J. Bean (Reg. No. 72,837)
`Derek S. Neilson (Reg. No. 65,447)
`Nicholas T. Tsui (Reg. No. 71,055)
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`and all practitioners associated with Customer Number 34018. I have the authority
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`to execute this document on behalf ofUniversal Elec onics Inc. 9"
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`October 3, 2019
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