Litigation summary

Patent Litigation Search Results for U.S. Patent No. 7,288,822

Date of Report: May 13, 2026

As of the date of this report, a comprehensive search for litigation involving U.S. Patent No. 7,288,822 has revealed one administrative proceeding before the Patent Trial and Appeal Board (PTAB). There is no indication from the conducted searches of any district court litigation where U.S. Patent No. 7,288,822 has been asserted.

The current assignee of the patent is Marlin Semiconductor Limited, which acquired the patent from United Microelectronics Corp. in June 2021. While Marlin Semiconductor Limited is actively involved in other patent litigation, U.S. Patent No. 7,288,822 is not listed among the patents asserted in those identified cases.

Details of the known PTAB proceeding are as follows:

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Case Type: Inter Partes Review (IPR)
Case Number: IPR2026-00058
Jurisdiction: United States Patent and Trademark Office, Patent Trial and Appeal Board (PTAB)

• Petitioner(s): Information not publicly available in the initial search results.
• Patent Owner/Defendant(s): Marlin Semiconductor Limited
• Filing Date: The exact filing date is not specified in the available public records, but the case number indicates it was filed in the 2026 fiscal year.
• Status: Not Instituted - Procedural. The petition for an inter partes review was denied on procedural grounds, meaning the board did not proceed to a trial on the merits of the patent's validity. The specific reasons for the procedural denial have not been detailed in the publicly available information.

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Disclaimer: This report is based on information available through public records and specialized patent litigation databases as of May 13, 2026. The status of legal proceedings can change rapidly. For the most current information, direct verification through PACER (Public Access to Court Electronic Records) or the respective court or administrative body's docketing system is recommended.