Chengdu Huiyuzhongtai Technology Co. Ltd.
Patent owner in reexamination·1 ex parte reexams
Chengdu Huiyuzhongtai Technology Co. Ltd.'s patents have been the subject of 1 USPTO ex parte reexamination, with 1 currently open. Its patents are most often challenged by Jiemin Jiang. 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 (1)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/016,414 | Jun 23, 2026 | 12,478,181 | ADJUSTABLE DRAWER | Jiemin Jiang | Open |
See the full reexam picture for Chengdu Huiyuzhongtai Technology Co. Ltd.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.