Wenderoth, Lind & Ponack, L.L.P.
Patent reexamination counsel·5 ex parte reexams
Wenderoth, Lind & Ponack, L.L.P. has served as patent-owner counsel in 5 USPTO ex parte reexaminations, with 1 currently open. The firm most often represents Sekisui Chemical, Co Ltd, Co Ltd., Everlight Electronics Co. Ltd., and Mitsubishi Heavy Industries Ltd.. ExamPat indexes the full prosecution record for each proceeding, including office-action grounds, certificate outcomes, and downstream PTAB and Federal Circuit decisions.
Filings by year
Top patent owners represented
Outcome track record
How this firm's reexams resolve once a certificate issues: all claims confirmed, amended, mixed, or canceled.
- Certificate outcome split across every bucket
- Share of proceedings where claims survived
Practice metrics
Certificate rate, average pendency, and the open/closed split across the firm's full reexam docket.
- Certificate rate of closed proceedings
- Average pendency in months
Examiners & adversaries
Which examiners most often decide this firm's reexams, and which requesters most often challenge its patents.
- Most frequent examiners
- Top opposing requesters
Recent reexaminations (5)
| Control # | Filed | Patent | Title | Owner | Status |
|---|---|---|---|---|---|
| 90/016,289 | May 15, 2026 | 7,554,126 | SEMICONDUCTOR LIGHT-EMITTING ELEMENT, MANUFACTURING METHOD AND MOUNTING METHOD OF THE SAME AND LIGHT-EMITTING DEVICE | Everlight Electronics Co. Ltd. | Open |
| 90/014,567 | Aug 28, 2020 | 9,868,574 | WATER-SOLUBLE PACKAGING FILM | Sekisui Chemical, Co Ltd, Co Ltd. | Closed |
| 90/014,312 | Jun 7, 2019 | 9,868,574 | WATER-SOLUBLE PACKAGING FILM | Sekisui Chemical, Co Ltd, Co Ltd. | Closed |
| 90/012,592 | Sep 14, 2012 | 7,239,684 | RADIOTHERAPY APPARATUS MONITORING THERAPEUTIC FIELD IN REAL-TIME DURING TREATMENT | Mitsubishi Heavy Industries Ltd. | Closed |
| 90/012,507 | Sep 12, 2012 | 6,708,595 | LAMINATED, REINFORCED GLASS PLATE | Saint-Gobain Glass France | Closed |
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