Term ends Feb 18, 2032 · High confidence
20-year base term ends Oct 19, 2031
No current holder resolved from the recorded chain.
Filed Nov 25, 2019 as application 16/694,710 · Granted Jul 5, 2022
Base term plus 122 days of patent term adjustment (USPTO delay)
Today
2011
2032
Clock starts
Oct 19, 2011
Oct 19, 2011
Term ends
Feb 18, 2032
Feb 18, 2032
Granted
Jul 5, 2022
Jul 5, 2022
base term
patent term adjustment
fee events
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
122
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
4
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 122 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is 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 Oct 19, 2011, when application 13/276,807, the earliest non-provisional in its chain, was filed (this one was filed Nov 25, 2019) | Oct 19, 2031 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +122 days, USPTO patent term adjustment record | Feb 18, 2032 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 18, 2032 | High confidence |
This family
| US 9,155,887 | In force Dec 2033 | Dec 2033 |
| US 10,485,974 | In force Dec 2031 | Dec 2031 |
| US 11,376,442 | this patent Feb 2032 | Feb 2032 |
| Application 17/855,301 | 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.
What's changing
Feb 2032
Term ends Feb 18, 2032. Maintenance fees still fall due before then
Note
The 122 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is above the median of utility patents granted in 2022 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
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.