Bruce Stone, LLP
Patent reexamination counsel·5 ex parte reexams
Bruce Stone, LLP has served as patent-owner counsel in 5 USPTO ex parte reexaminations, with 5 currently open. The firm most often represents Xiamen Pvtech Co. 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 |
|---|---|---|---|---|---|
| 90/016,487 | Jul 17, 2026 | 10,645,784 | ELECTRIC LEAKAGE PROTECTION ELECTRONIC RECTIFIER AND LAMP WITH ELECTRIC LEAKAGE PROTECTION ELECTRONIC RECTIFIER | Xiamen Pvtech Co. Ltd. | Open |
| 90/016,472 | Jul 15, 2026 | 11,122,671 | LIGHT TUBE WITH ANTI-ELECTRIC SHOCK PROTECTION FUNCTION AND CAPABLE OF BEING SUPPLIED WITH ELECTRICITY BY ELECTRICAL BALLAST AND ALTERNATE-CURRENT POWER SUPPLY IN WORKING FREQUENCY | Xiamen Pvtech Co. Ltd. | Open |
| 90/016,465 | Jul 13, 2026 | 10,895,352 | LED TUBE CAPABLE OF BEING SUPPLIED WITH ELECTRICITY BY ELECTRICAL BALLAST AND MAINS SUPPLY | Xiamen Pvtech Co. Ltd. | Open |
| 90/016,456 | Jul 9, 2026 | 11,083,065 | DRIVING CIRCUIT DEVICE FOR ANTI-LEAKAGE LED TUBE WITH DUAL-END INPUT | Xiamen Pvtech Co. Ltd. | Open |
| 90/016,451 | Jul 7, 2026 | 10,161,571 | LED TUBE WITH SAFETY DEVICE | Xiamen Pvtech Co. Ltd. | Open |
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See the full reexam picture for Bruce Stone, LLP
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