Corteva Agriscience LLC
Patent owner in reexamination·5 ex parte reexams
Corteva Agriscience LLC's patents have been the subject of 5 USPTO ex parte reexaminations, with 2 currently open. Its patents are most often challenged by Inari Agriculture 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 (5)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/019,321 | Dec 5, 2023 | 8,609,935 | SOYBEAN EVENT DP-305423-1 AND COMPOSITIONS AND METHODS FOR THE IDENTIFICATION AND/OR DETECTION THEREOF | Inari Agriculture Inc. | Closed |
| 90/019,322 | Dec 5, 2023 | 8,598,413 | AAD-1 EVENT DAS-40278-9, RELATED TRANSGENIC CORN LINES, EVENT-SPECIFIC IDENTIFICATION THEREOF, AND METHODS OF WEED CONTROL INVOLVING AAD-1 | Inari Agriculture Inc. | Open |
| 90/019,319 | Dec 1, 2023 | 7,838,733 | NOVEL HERBICIDE RESISTANCE GENES | Inari Agriculture Inc. | Closed |
| 90/019,132 | Nov 21, 2022 | 8,952,223 | Corn Event DAS-59122-7 and Methods for Detection Thereof | Inari Agriculture Inc. | Closed |
| 90/019,130 | Nov 18, 2022 | 10,947,555 | NOVEL HERBICIDE RESISTANCE GENES | Inari Agriculture Inc. | Open |
See the full reexam picture for Corteva Agriscience LLC
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.