Term ends Jan 10, 2031 · High confidence
20-year base term ends Jan 10, 2031
No current holder resolved from the recorded chain.
Filed Jun 9, 2012 as application 13/492,809 · Granted Jan 17, 2017
Base term, 20 years from filing
Today
2011
2031
Clock starts
Jan 10, 2011
Jan 10, 2011
Term ends
Jan 10, 2031
Jan 10, 2031
Granted
Jan 17, 2017
Jan 17, 2017
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.
2 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.
43
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. 2 of 3 maintenance fees are 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 Jan 10, 2011, when application 12/987,982, the earliest non-provisional in its chain, was filed (this one was filed Jun 9, 2012) | Jan 10, 2031 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 10, 2031 | High confidence |
This family
| US 10,540,976 | In force Jul 2030 | Jul 2030 |
| Application PCT/US2010/037378 | PCT application no patent term | no patent term |
| US 9,318,108 | In force Mar 2032 | Mar 2032 |
| Application PCT/US2011/020861 | PCT application no patent term | no patent term |
| US 10,496,753 | In force Jan 2035 | Jan 2035 |
| US 9,858,925 | In force Nov 2030 | Nov 2030 |
| US 9,548,050 | this patent Jan 2031 | Jan 2031 |
| Application PCT/US2012/056382 | PCT application no patent term | no patent term |
8 of 43 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
Jan 2031
Term ends Jan 10, 2031. Maintenance fees still fall due before then
Citations
1,010
later US patents cite this one
That is top 1% of utility patents granted in 2017 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.