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`UNITED STATES PATENT AND TRADEMARK OFFIGE
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`UNITED STATES DEPARTMENT OF COMMERCE
`United States Patent and Trademark Office
`)
`OX. 450
`Address: COMMISSIONER FOR PATENTS
`Alexandria, Virginia 22313-1450
`www.uspto.gov
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`62/511,771
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`05/26/2017
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`David Campbell
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`52426-701.102
`CONFIRMATION NO. 8397
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`21971
`WILSON, SONSINI, GOODRICH & ROSATI
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`650 PAGE MILL ROAD
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`PALO ALTO, CA 94304-1050
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`POA ACCEPTANCE LETTER
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`OCTA00000009985 760
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`Date Mailed: 05/30/2018
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`NOTICE OF ACCEPTANCE OF POWER OF ATTORNEY
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`This is in response to the Power of Attorneyfiled 05/24/2018.
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`The Power of Attorney in this application is accepted. Correspondencein this application will be mailed to the
`above address as provided by 37 CFR 1.33.
`
`Questions about the contents of this notice and the
`requirements it sets forth should be directed to the Office
`of Data Management, Application Assistance Unit,at
`(571) 272-4000 or (571) 272-4200 or 1-888-786-0101.
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`/dtdinh/
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