Term ends Oct 21, 2031 · High confidence
20-year base term ends Sep 30, 2031
Filed Feb 8, 2023 as application 18/107,465 · Granted Sep 3, 2024
Base term plus 21 days of patent term adjustment (USPTO delay)
Today
2011
2031
Clock starts
Sep 30, 2011
Sep 30, 2011
Term ends
Oct 21, 2031
Oct 21, 2031
Granted
Sep 3, 2024
Sep 3, 2024
base term
patent term adjustment
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
21
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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 21 days past its 20-year base term on prosecution delay. 0 of 1 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 Sep 30, 2011, when application PCT/US2011/054313, the earliest non-provisional in its chain, was filed (this one was filed Feb 8, 2023) | Sep 30, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +21 days, USPTO patent term adjustment record | Oct 21, 2031 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Oct 21, 2031 | High confidence |
This family
| Application PCT/US2011/054313 | PCT application no patent term | no patent term |
| US 9,417,821 | In force Jan 2032 | Jan 2032 |
| Application 15/224,006 | Abandoned not computed | not computed |
| US 11,604,746 | In force Sep 2031 | Sep 2031 |
| US 12,079,149 | this patent Oct 2031 | Oct 2031 |
| US 12,645,621 | In force Sep 2031 | Sep 2031 |
| Application 19/559,595 | Pending not computed | not computed |
The applications whose file history this site holds. The family may have others.
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
Oct 2031
Term ends Oct 21, 2031. Maintenance fees still fall due before then
Note
The 21 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites 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.