Term ends May 20, 2032 · High confidence
20-year base term ends Jun 14, 2030
No current holder resolved from the recorded chain.
Filed Feb 2, 2011 as application 13/019,939 · Granted Sep 8, 2015
Base term plus 706 days of patent term adjustment (USPTO delay)
Today
2010
2032
Clock starts
Jun 14, 2010
Jun 14, 2010
Term ends
May 20, 2032
May 20, 2032
Granted
Sep 8, 2015
Sep 8, 2015
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
706
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
9
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 706 days past its 20-year base term on 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 Jun 14, 2010, when application 12/815,331, the earliest non-provisional in its chain, was filed (this one was filed Feb 2, 2011) | Jun 14, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +706 days, USPTO patent term adjustment record | May 20, 2032 | 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 | May 20, 2032 | High confidence |
This family
| US 9,339,206 | In force Jun 2032 | Jun 2032 |
| US 9,445,734 | In force Apr 2032 | Apr 2032 |
| US 9,125,578 | this patent May 2032 | May 2032 |
| US 9,532,724 | In force Feb 2033 | Feb 2033 |
| US 10,231,643 | In force Jun 2030 | Jun 2030 |
| US 10,349,857 | In force Jun 2030 | Jun 2030 |
| US 10,271,762 | In force Jul 2030 | Jul 2030 |
| US 10,912,488 | In force Sep 2030 | Sep 2030 |
8 of 9 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
May 2032
Term ends May 20, 2032. Maintenance fees still fall due before then
Note
The 706 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
261
later US patents cite this one
That is top 1% of utility patents granted in 2015 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.