Lapsed Jun 5, 2020 on the fee record · High confidence
20-year base term ends Mar 13, 2029
Second maintenance fee unpaid; grace period ended.
Held by Toyoda Gosei Co., Ltd. and FTS Co., Ltd.
Filed Mar 13, 2009 as application 12/382,312 · Granted Jun 5, 2012
Base term, 20 years from filing, plus 634 days of patent term adjustment (USPTO delay)
Today
Lapsed Jun 5, 2020
2009
2030
Clock starts
Mar 13, 2009
Mar 13, 2009
No longer in force
Jun 5, 2020
Jun 5, 2020
Granted
Jun 5, 2012
Jun 5, 2012
Term would have run to
Dec 7, 2030
Dec 7, 2030
base term
patent term adjustment
after the term ends
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
634
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
39
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 Dec 7, 2030: its 20-year base term plus 634 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 Mar 13, 2009, when this application, 12/382,312, was filed | Mar 13, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +634 days, USPTO patent term adjustment record | Dec 7, 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 | 1 of 3 maintenance fees paid | lapsed Jun 5, 2020 | High confidence |
| Computed term end | The steps above, in order | Jun 5, 2020 | High confidence |
This family
| US 8,191,568 | this patent Jun 2020 | Jun 2020 |
| US 8,991,102 | In force Jun 2033 | Jun 2033 |
| US 9,327,584 | In force Jul 2034 | Jul 2034 |
| Application 14/445,295 | Abandoned not computed | not computed |
| US 9,283,835 | In force Feb 2035 | Feb 2035 |
| Application 14/636,235 | Abandoned not computed | not computed |
| US 9,597,949 | In force Oct 2035 | Oct 2035 |
| Application 15/055,820 | Abandoned not computed | not computed |
8 of 39 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Mar 13, 2009 reel/frame not recorded | Aoki, Tomohide; Takeuchi, Yukiharu; Tsuzuki, Hideyuki; Yamada, Norihiro | Toyoda Gosei Co., Ltd. | Assignment of Assignor's Interest |
| Mar 13, 2009 reel/frame not recorded | Aoki, Tomohide; Takeuchi, Yukiharu; Tsuzuki, Hideyuki; Yamada, Norihiro | FTS Co., Ltd. | Assignment of Assignor's Interest |
| Mar 13, 2009 Reel 22438, frame 429 | Takeuchi, Yukiharu; Yamada, Norihiro; Tsuzuki, Hideyuki; Aoki, Tomohide | Toyoda Gosei Co., Ltd.; FTS Co., Ltd. | Assignment of Assignor's Interest |
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 634 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2012 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.