Lapsed Jan 19, 2020 on the fee record · High confidence
20-year base term ends Sep 28, 2030
First maintenance fee unpaid; grace period ended.
Held by Clarion Co., Ltd.
Filed Dec 13, 2013 as application 14/106,290 · Granted Jan 19, 2016
Base term, 20 years from filing, plus 48 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 19, 2020
2010
2030
Clock starts
Sep 28, 2010
Sep 28, 2010
No longer in force
Jan 19, 2020
Jan 19, 2020
Granted
Jan 19, 2016
Jan 19, 2016
Term would have run to
Nov 15, 2030
Nov 15, 2030
base term
patent term adjustment
after the term ends
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
48
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.
2
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 Nov 15, 2030: its 20-year base term plus 48 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 Sep 28, 2010, when application 12/892,670, the earliest non-provisional in its chain, was filed (this one was filed Dec 13, 2013) | Sep 28, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +48 days, USPTO patent term adjustment record | Nov 15, 2030 | 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 Jan 19, 2020 | High confidence |
| Computed term end | The steps above, in order | Jan 19, 2020 | High confidence |
This family
| US 8,634,984 | In force Feb 2032 | Feb 2032 |
| US 9,239,241 | this patent Jan 2020 | Jan 2020 |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 48 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.