Xiamen PVTech Co. Ltd.
Patent owner in reexamination·3 ex parte reexams
Xiamen PVTech Co. Ltd.'s patents have been the subject of 3 USPTO ex parte reexaminations, with 3 currently open. Its patents are most often challenged by Laurence Kao. 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 requesters
Outcome track record
How reexams of this owner's patents resolve: claims confirmed, amended, mixed, or fully canceled.
- Certificate outcome split across every bucket
- Claim-survival rate
Defense metrics
Claim-survival rate, average pendency, and the open/closed split across every reexam of this owner's patents.
- Survival rate of closed proceedings
- Average pendency in months
Challengers & examiners
Which requesters most often challenge this owner's patents, and which examiners decide them.
- Top requesters
- Most frequent examiners
Recent reexaminations (3)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/016,404 | Jun 17, 2026 | 11,209,150 | COLOR TEMPERATURE ADJUSTABLE LAMP SOCKET AND COLOR TEMPERATURE ADJUSTABLE LAMP TUBE | — | Open |
| 90/016,110 | Apr 1, 2026 | 10,349,474 | LAMP TUBE CAPABLE OF RECTIFYING AND STABILIZING VOLTAGES | — | Open |
| 90/016,109 | Apr 1, 2026 | 11,536,419 | LIGHTING DEVICE WITH IMPROVED LUMINOUS PERFORMANCE | Laurence Kao | Open |
See the full reexam picture for Xiamen PVTech Co. Ltd.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.