Kaneka Corporation
Patent owner in reexamination·3 ex parte reexams
Kaneka Corporation's patents have been the subject of 3 USPTO ex parte reexaminations. Its patents are most often challenged by SKC Kolon PI Inc.. 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 |
|---|---|---|---|---|---|
| 90/014,410 | Nov 12, 2019 | 7,691,961 | Polyimide Film and Use Thereof | SKC Kolon PI Inc. | Closed |
| 90/013,636 | Nov 23, 2015 | 7,910,340 | Process for Producing Coenzyme Q10 | — | Closed |
| 90/012,554 | Sep 13, 2012 | 6,288,326 | PHOTOVOLTAIC MODULE | — | Closed |
See the full reexam picture for Kaneka Corporation
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.