Term ends Jul 31, 2033 · High confidence
20-year base term ends Jul 31, 2033
Filed Oct 1, 2014 as application 14/503,856 · Granted Jul 12, 2016
Base term, 20 years from filing
Today
2013
2033
Clock starts
Jul 31, 2013
Jul 31, 2013
Term ends
Jul 31, 2033
Jul 31, 2033
Granted
Jul 12, 2016
Jul 12, 2016
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,880,121, to Jul 31, 2033. The term already ends on or before that date, so the cap shortened nothing.
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.
45
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jul 31, 2013, when application 13/955,824, the earliest non-provisional in its chain, was filed (this one was filed Oct 1, 2014) | Jul 31, 2033 | 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 | Disclaimer resolved from the filed document (refs US 8,880,121) | resolves to Jul 31, 2033, no earlier than this term, so no change | 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 | Jul 31, 2033 | High confidence |
This family
| US 9,910,558 | In force May 2034 | May 2034 |
| US 9,344,882 | In force Dec 2033 | Dec 2033 |
| US 8,880,121 | In force Jul 2033 | Jul 2033 |
| US 10,057,424 | Lapsed on the fee record Aug 2026 | Aug 2026 |
| US 9,389,593 | this patent Jul 2033 | Jul 2033 |
| US 9,591,256 | In force Nov 2033 | Nov 2033 |
| Application 14/586,023 | Abandoned not computed | not computed |
| US 9,521,251 | In force Nov 2034 | Nov 2034 |
8 of 45 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jul 2033
Term ends Jul 31, 2033. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,880,121, ends no earlier than this term, so it caps nothing.
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2016 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.