Shenzhen Jisu Technology Co. Ltd.
Patent owner in reexamination·7 ex parte reexams
Shenzhen Jisu Technology Co. Ltd.'s patents have been the subject of 7 USPTO ex parte reexaminations, with 6 currently open. Its patents are most often challenged by Yuhao Liang, IPspeedy Intellectual Property Inc., and Jeenam Park. 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 (7)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/016,200 | Apr 20, 2026 | D1,116,067 | HANDHELD FAN | IPspeedy Intellectual Property Inc. | Open |
| 90/015,655 | Dec 5, 2025 | D1,068,047 | PORTABLE FAN | Yuhao Liang | Open |
| 90/015,656 | Nov 3, 2025 | D1,068,048 | PORTABLE FAN | Yuhao Liang | Open |
| 90/015,604 | Oct 15, 2025 | D1,068,049 | PORTABLE FAN | Yuhao Liang | Open |
| 90/015,511 | Sep 18, 2025 | D1,077,192 | PORTABLE FAN | IPspeedy Intellectual Property Inc. | Closed |
| 90/015,509 | Sep 10, 2025 | D1,078,019 | PORTABLE FAN | Jeenam Park | Open |
| 90/015,429 | Aug 5, 2025 | D1,068,050 | PORTABLE FAN | Jeenam Park | Open |
See the full reexam picture for Shenzhen Jisu Technology Co. Ltd.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.