Term ends Mar 27, 2029 · High confidence
20-year base term ends Dec 19, 2028
No current holder resolved from the recorded chain.
Filed Jul 19, 2012 as application 13/507,676 · Granted Sep 2, 2014
Base term plus 98 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Dec 19, 2008
Dec 19, 2008
Term ends
Mar 27, 2029
Mar 27, 2029
Granted
Sep 2, 2014
Sep 2, 2014
base term
patent term adjustment
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
98
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.
32
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 98 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 19, 2008, when application 12/318,020, the earliest non-provisional in its chain, was filed (this one was filed Jul 19, 2012) | Dec 19, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +98 days, USPTO patent term adjustment record | Mar 27, 2029 | 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 | Mar 27, 2029 | High confidence |
This family
| US 8,437,741 | In force no later than Aug 2031 | no later than Aug 2031 |
| US 8,254,886 | In force no later than Jul 2029 | no later than Jul 2029 |
| Application PCT/US2010/048726 | PCT application no patent term | no patent term |
| US 8,744,180 | In force Apr 2032 | Apr 2032 |
| US 8,825,011 | this patent Mar 2029 | Mar 2029 |
| US 9,295,071 | In force no later than May 2029 | no later than May 2029 |
| US 9,332,412 | In force Jun 2029 | Jun 2029 |
| US 9,313,639 | In force Jun 2029 | Jun 2029 |
8 of 32 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
Mar 2029
Term ends Mar 27, 2029. No further fees fall due before then
Note
The 98 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
74
later US patents cite this one
That is top 10% 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.