Fmc Corporation
Patent owner in reexamination·4 ex parte reexams
Fmc Corporation's patents have been the subject of 4 USPTO ex parte reexaminations, with 2 currently open. Its patents are most often challenged by Benjamin Kusiak. 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 (4)
| Control # | Filed | Patent | Title | Requester | Status |
|---|---|---|---|---|---|
| 90/016,336 | May 26, 2026 | 9,107,416 | INSECTICIDAL AND MITICIDAL MIXTURES OF BIFENTHRIN AND CYANO-PYRETHROIDS | — | Open |
| 90/016,337 | May 26, 2026 | 9,596,857 | INSECTICIDAL AND MITICIDAL MIXTURES OF BIFENTHRIN AND CYANO-PYRETHROIDS | Benjamin Kusiak | Open |
| 90/013,549 | Jul 23, 2015 | 8,980,349 | FOOD PRODUCT HAVING A CASING | — | Closed |
| 90/012,622 | Sep 14, 2012 | RE38,675 | LOW VOLATILITY FORMULATIONS OF MICROENCAPSULATED CLOMAZONE | — | Closed |
See the full reexam picture for Fmc Corporation
Certificate outcomes, pendency, and the parties and examiners behind these cases. Free to sign up.