Term ended Feb 23, 2026 · High confidence
20-year base term ended Dec 8, 2025
No current holder resolved from the recorded chain.
Filed Feb 3, 2012 as application 13/365,677 · Granted Feb 18, 2014
Base term plus 77 days of patent term adjustment (USPTO delay)
Today
Term ended Feb 23, 2026
2005
2026
Clock starts
Dec 8, 2005
Dec 8, 2005
Term ended
Feb 23, 2026
Feb 23, 2026
Granted
Feb 18, 2014
Feb 18, 2014
base term
patent term adjustment
after the term ends
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
77
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
16
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 77 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Dec 8, 2005, when application 11/296,334, the earliest non-provisional in its chain, was filed (this one was filed Feb 3, 2012) | Dec 8, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +77 days, USPTO patent term adjustment record | Feb 23, 2026 | 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 | 3 of 3 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 23, 2026 | High confidence |
This family
| US 7,706,681 | In force Jul 2028 | Jul 2028 |
| US 8,050,550 | Term ended Dec 2025 | Dec 2025 |
| US 8,457,486 | Term ended Dec 2025 | Dec 2025 |
| US 8,655,164 | this patent Feb 2026 | Feb 2026 |
| US 8,886,030 | Term ended Dec 2025 | Dec 2025 |
| US 9,042,718 | Term ended Dec 2025 | Dec 2025 |
| US 9,282,251 | Term ended Dec 2025 | Dec 2025 |
| US 9,560,263 | Term ended Dec 2025 | Dec 2025 |
8 of 16 applications in this family shown, earliest filings first. 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
Note
The 77 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
12
later US patents cite this one
That is above the median of utility patents granted in 2014 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.