Collateral for a security interest recorded Apr 17, 2026 (Citibank, N.A.).
Term ends no later than Dec 10, 2026 · Medium confidence
20-year base term ended Apr 27, 2024
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Held by FMC Corporation
Filed Oct 24, 2005 as application 10/554,328 · Granted Mar 2, 2010
Base term plus 957 days of patent term adjustment (USPTO delay)
Today
2004
2026
Clock starts
Apr 27, 2004
Apr 27, 2004
Ends no later than
Dec 10, 2026
Dec 10, 2026
Granted
Mar 2, 2010
Mar 2, 2010
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
957
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 957 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. All three maintenance fees are recorded paid; no more fees are due. Confidence: Medium. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 27, 2004, when application PCT/US2004/012890, the earliest non-provisional in its chain, was filed (this one was filed Oct 24, 2005) | Apr 27, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +957 days, USPTO patent term adjustment record | Dec 10, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | no later than Dec 10, 2026 | Medium confidence |
This family
| Application PCT/US2004/012890 | PCT application no patent term | no patent term |
| Application PCT/US2004/012886 | PCT application no patent term | no patent term |
| Application PCT/US2004/013014 | PCT application no patent term | no patent term |
| Application PCT/US2004/013023 | PCT application no patent term | no patent term |
| US 7,208,450 | Term ended Jun 2024 | Jun 2024 |
| US 7,585,891 | Term ended no later than Sep 2025 | no later than Sep 2025 |
| US 7,671,201 | this patent no later than Dec 2026 | no later than Dec 2026 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jun 16, 2006 Reel 17799, frame 331 | Theodoridis, George; Barron, Edward J.; Lyga, John W.; Zhang, Y. Larry; Ding, Ping; Zawacki, Frank J.; Cohen, Daniel H.; Whiteside, Matthew P. | FMC Corporation | Corrective Assignment to Correct the Incorrect Serial Number 10832624. Correct Serial Number Is 10554328. Previously Recorded on Reel 017778 Frame 0934. Assignor(S) Hereby Confirms the Assign the Entire Interest.. |
| Mar 20, 2007 Reel 19036, frame 487 | FMC Corporation | Bayer CropScience AG | Assignment of Assignor's Interest |
| Jun 16, 2009 Reel 22829, frame 793 | Bayer CropScience AG | FMC Corporation | Assignment of Assignor's Interest |
| Apr 17, 2026 Reel 75403, frame 891 | FMC Corporation | Citibank, N.a. | Patent Security Agreement |
| Jun 5, 2026 Reel 75820, frame 557 | FMC Corporation | U.S. Bank Trust Company, National Association | Patent Security Agreement |
Sources
Google Patents · The patent document at USPTO · Assignment records at USPTO
USPTO account required: This application in Patent Center · USPTO's maintenance fee lookup
Maintenance fee events come from USPTO's own fee records. Its fee lookup asks for the patent number and the application number.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Dec 2026
Term ends no later than Dec 10, 2026. No further fees fall due before then
Note
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Note
The 957 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Dec 10, 2026. We will not guess the cap.
Citations
4
later US patents cite this one
That is below the median of utility patents granted in 2010 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
This computed term ends no later than the date shown; an unresolved terminal disclaimer may end it earlier. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.