Term ended Dec 8, 2025 · High confidence
20-year base term ended Dec 8, 2025
No current holder resolved from the recorded chain.
Filed Feb 16, 2010 as application 12/706,202 · Granted Nov 1, 2011
Base term, 20 years from filing
Today
Term ended Dec 8, 2025
2005
2026
Clock starts
Dec 8, 2005
Dec 8, 2005
Term ended
Dec 8, 2025
Dec 8, 2025
Granted
Nov 1, 2011
Nov 1, 2011
base term
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
None
Term adjustment
No prosecution delay on this record.
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 is its 20-year base term, with no adjustment for 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 16, 2010) | Dec 8, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | 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 | Dec 8, 2025 | High confidence |
This family
| US 7,706,681 | In force Jul 2028 | Jul 2028 |
| US 8,050,550 | this patent Dec 2025 | Dec 2025 |
| US 8,457,486 | Term ended Dec 2025 | Dec 2025 |
| US 8,655,164 | Term ended 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.
Citations
7
later US patents cite this one
That is below the median of utility patents granted in 2011 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.