Term ends Nov 21, 2034 · High confidence
20-year base term ends Nov 21, 2034
Held by FMC Corporation
Filed Aug 29, 2018 as application 16/116,113 · Granted Jun 25, 2024
Base term plus 307 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2014
2034
Clock starts
Nov 21, 2014
Nov 21, 2014
Term ends
Nov 21, 2034
Nov 21, 2034
Granted
Jun 25, 2024
Jun 25, 2024
base term
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
307
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,070,647.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
17
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 307 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 2 maintenance fees are paid so far. Confidence: High. 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 Nov 21, 2014, when application PCT/US2014/066864, the earliest non-provisional in its chain, was filed (this one was filed Aug 29, 2018) | Nov 21, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +307 days, USPTO patent term adjustment record | Sep 24, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,070,647) | capped to Nov 21, 2034 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 21, 2034 | High confidence |
This family
| US 8,969,554 | Lapsed on the fee record Mar 2023 | Mar 2023 |
| US 9,573,909 | Lapsed on the fee record Feb 2025 | Feb 2025 |
| US 10,070,647 | In force Nov 2034 | Nov 2034 |
| US 10,294,202 | In force Dec 2034 | Dec 2034 |
| US 10,081,608 | Lapsed on the fee record Sep 2022 | Sep 2022 |
| US 12,016,335 | this patent Nov 2034 | Nov 2034 |
| Application 16/139,318 | Abandoned not computed | not computed |
| US 11,589,583 | In force Dec 2034 | Dec 2034 |
8 of 17 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| 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.
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Alerts on its grants, lapses and transfers.
What's changing
Nov 2034
Term ends Nov 21, 2034. Maintenance fees still fall due before then
Note
The 307 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 10,070,647.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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
Computed patent terms end on the dates shown. 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.