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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`_____________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`_____________
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`PDF SOLUTIONS, INC.,
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`Petitioner,
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`v.
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`OCEAN SEMICONDUCTOR LLC,
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`Patent Owner.
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`_____________
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`Case No. 2022-01196
`Patent No. 6,836,691
`_____________
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`POWER OF ATTORNEY FOR
`PETITIONER PDF SOLUTIONS, INC.
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`DocuSign Envelope ID: 265FC30D-2DC6-4029-956F-9FFC134BC01A
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner, PDF Solutions, Inc., appoints the
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`following attorneys to transact all business in the United States Patent & Trademark
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`Office associated with this inter partes review:
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`Lead Counsel
`Daniel B. Ravicher (Reg. No. 47,015)
`dan@zeisler-law.com
`ZEISLER PLLC
`777 Brickell Ave Ste 500
`Miami, FL 33131
`Tel.: 786-505-1205
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`Back-up Counsel
`Ognjan V. Shentov (Reg. No. 38,051)
`oshentov@gmail.com
`ZEISLER PLLC
`45 Rockefeller Plaza, 20th Floor
`New York, NY 10111
`Tel.: 212-671-1921
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`The individual signing below has the authority to execute this document on behalf
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`of PDF Solutions, Inc.
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`Date: June 30, 2022
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`By: ______________________________
`Rochelle Woodward
`General Counsel
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`DocuSign Envelope ID: 265FC30D-2DC6-4029-956F-9FFC134BC01A
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`CERTIFICATE OF SERVICE
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`The undersigned hereby certifies, pursuant to 37 C.FR. §§ 42.6(e) and 41.106,
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`that the attached Power of Attorney is being served via FedEx®, a means at least as
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`fast and reliable as Priority Mail Express®, on the date below upon the patent
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`owner’s attorneys of record for the patent at the following address:
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`Devlin Law Firm
`1526 Gilpin Ave.
`Wilmington, DE 19806
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`The undersigned also hereby certifies that an electronic copy of the foregoing is
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`being served by electronic mail to:
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`TDPTAB@devlinlawfirm.com
`achan@devlinlawfirm.com
`jglazer@devlinlawfirm.com
`hparker@devlinlawfirm.com
`dlflitparas@devlinlawfirm.com
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`By:
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`/Daniel B. Ravicher/
`Daniel B. Ravicher (Reg. No. 47,015)
`ZEISLER PLLC
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`Date: June 30, 2022
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`Counsel for Petitioner
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`DocuSign Envelope ID: 265FC30D-2DC6-4029-956F-9FFC134BC01A
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