Duk San Neolux Co. Ltd.
Patent owner in reexamination·3 ex parte reexams
Duk San Neolux Co. Ltd.'s patents have been the subject of 3 USPTO ex parte reexaminations. Its patents are most often challenged by George E. Darby. 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 |
|---|---|---|---|---|---|
| 90/014,855 | Sep 10, 2021 | 10,600,969 | Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof | George E. Darby | Closed |
| 90/014,404 | Nov 4, 2019 | 10,056,560 | Compound for Organic Electronic Element, Organic Electronic Element Using the Same, and an Electronic Device | — | Closed |
| 90/014,405 | Nov 4, 2019 | 10,141,516 | Compound for Organic Electric Element, Organic Electric Element Comprising the Same and Electronic Device Thereof | — | Closed |
See the full reexam picture for Duk San Neolux Co. Ltd.
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.