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U.S. Patent No. 10,972,584
`Petition for Inter Partes Review
`
`
`
`
`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`________________________________
`
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`________________________________
`
`
`ROKU, INC.,
`
`Petitioner,
`
`v.
`
`IOENGINE, LLC
`
`Patent Owner.
`
`____________________________
`
`U.S. Patent No. 10,972,584
`
`
`PETITIONER’S POWER OF ATTORNEY
`
`
`
` 
`
`
`
` 
`
`DocuSign Envelope ID: 18333F34-939F-470C-A2FD-75FF444E4C61
`
`

`

`U.S. Patent No. 10,972,584
`Petition for Inter Partes Review
`
`Pursuant to 37 C.F.R. § 42.10(b), Petitioner Roku, Inc. hereby appoints the
`
`
`
`practitioners associated with McDonnell Boehnen Hulbert & Berghoff, LLP
`
`Customer Number 20306, including the following counsel, and all other below-listed
`
`practitioners as its attorneys to transact all business in the United States Patent and
`
`Trademark Office associated with the Petition for IPR of U.S. Patent No.
`
`10,972,584.
`
`Lead Counsel
`James L. Lovsin
`McDonnell Boehnen Hulbert &
`Berghoff, LLP
`300 S. Wacker Drive, Suite 3200
`Chicago, IL 60606
`Tel. 312-913-2112
`Fax. 312-913-0002
`Email: lovsin@mbhb.com
`Reg. No. 69,550
`
`
`Backup Counsel
`James L. Korenchan
`McDonnell Boehnen Hulbert &
`Berghoff, LLP
`300 S. Wacker Drive, Suite 3200
`Chicago, IL 60606
`Tel. 312-913-3380
`Fax. 312-913-0002
`Email: korenchan@mbhb.com
`Reg. No. 70,760
`
`Mateusz J. Kulesza
`McDonnell Boehnen Hulbert &
`Berghoff, LLP
`300 S. Wacker Drive, Suite 3200
`Chicago, IL 60606
`Tel. 312-913-3362
`Fax. 312-913-0002
`Email: kulesza@mbhb.com
`Reg. No. 74,965
`
`Margot M. Wilson
`McDonnell Boehnen Hulbert &
`Berghoff, LLP
`300 S. Wacker Drive, Suite 3200
`Chicago, IL 60606
`Tel. 312-913-3381
`
`DocuSign Envelope ID: 18333F34-939F-470C-A2FD-75FF444E4C61
`
`

`

` 
`
`
`
`Dated: _________________
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
` 
` 
`
` 
`
`U.S. Patent No. 10,972,584
`Petition for Inter Partes Review
`
`
`Fax. 312-913-0002
`Email: wilson@mbhb.com
`Reg. No. 77,094
`
`
`By:___________________________
` Lisa Mandrusiak
` Associate General Counsel, Patents &
` Litigation
` Roku, Inc.
`
`3
`
`DocuSign Envelope ID: 18333F34-939F-470C-A2FD-75FF444E4C61
`
`9/13/2022
`
`/Lisa Mandrusiak/
`
`

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