`
`In re Patent of:
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`John F. Austermann, III, et al.
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`U.S. Patent No.:
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`9,019,838
`
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`April 28, 2015
`13/615,734
`September 14,2012
`CENTRAL PIECE OF NETWORK EQUIPMENT
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`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`
`Alexandria, VA 22313-1450
`
`PETITIONER’S POWER OF ATTORNEY IN POST GRANT PROCEEDINGS BEFORE
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`THE PATENT TRIAL AND APPEAL BOARD
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`Petitioner, D-Link Systems, Inc., hereby appoints the following practitioners as its
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`attorneys to transact all business in the United States Patent & Trademark Office associated with
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`any inter partes review, covered business method review, post grant review, or other review
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`proceedings before the Patent Trial and Appeal Board of the above—captioned patent:
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`David Hoffman, Reg. No. 54,174
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`and all practitioners associated with PTO Customer Number 26171.
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`I have the authority to execute this document on behalf of D-Link Systems, Inc.
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`D-Link Systems, Inc.
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`Name: William Brown
`
`Title: President
`
`Date: