Lapsed Nov 8, 2020 on the fee record · High confidence
20-year base term ends Jan 16, 2029
First maintenance fee unpaid; grace period ended.
Filed Apr 21, 2014 as application 14/257,755 · Granted Nov 8, 2016
Base term, 20 years from filing, plus 178 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 8, 2020
2009
2029
Clock starts
Jan 16, 2009
Jan 16, 2009
No longer in force
Nov 8, 2020
Nov 8, 2020
Granted
Nov 8, 2016
Nov 8, 2016
Term would have run to
Jul 13, 2029
Jul 13, 2029
base term
patent term adjustment
after the term ends
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
178
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Jul 13, 2029: its 20-year base term plus 178 days of term adjustment for prosecution delay. 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 16, 2009, when application PCT/JP2009/050566, the earliest non-provisional in its chain, was filed (this one was filed Apr 21, 2014) | Jan 16, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +178 days, USPTO patent term adjustment record | Jul 13, 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 | 0 of 3 maintenance fees paid | lapsed Nov 8, 2020 | High confidence |
| Computed term end | The steps above, in order | Nov 8, 2020 | High confidence |
This family
| US 8,741,958 | In force Oct 2031 | Oct 2031 |
| US 8,217,192 | Lapsed on the fee record Jul 2020 | Jul 2020 |
| US 9,486,395 | this patent Nov 2020 | Nov 2020 |
3 of 4 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
Note
The 178 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
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.