Term ends Dec 26, 2027 · Medium confidence
20-year base term ends Dec 26, 2027
Why Medium: A parent in the chain could not be resolved.
No current holder resolved from the recorded chain.
Filed Aug 9, 2012 as application 13/570,671 · Granted Jan 14, 2014
Base term, 20 years from filing
Today
2007
2027
Clock starts
Dec 26, 2007
Dec 26, 2007
Term ends
Dec 26, 2027
Dec 26, 2027
Granted
Jan 14, 2014
Jan 14, 2014
base term
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.
28
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 are recorded paid; no more fees are due. Confidence: Medium. 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 26, 2007, when application 11/964,518, the earliest non-provisional in its chain, was filed (this one was filed Aug 9, 2012); a parent in its chain could not be resolved (the next row) | Dec 26, 2027 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 | In force | High confidence |
| Computed term end | The steps above, in order | Dec 26, 2027 | Medium confidence |
This family
| US 8,280,278 | In force Nov 2028 | Nov 2028 |
| US 8,630,564 | this patent Dec 2027 | Dec 2027 |
| US 9,678,471 | In force Dec 2027 | Dec 2027 |
| US 8,682,215 | In force Dec 2027 | Dec 2027 |
| US 10,551,793 | In force Dec 2027 | Dec 2027 |
| US 9,864,333 | Lapsed on the fee record Jan 2026 | Jan 2026 |
| US 9,841,729 | Lapsed on the fee record Dec 2025 | Dec 2025 |
| US 9,836,021 | Lapsed on the fee record Dec 2025 | Dec 2025 |
8 of 28 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
Dec 2027
Term ends Dec 26, 2027. No further fees fall due before then
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.