Term ends Aug 11, 2032 · High confidence
20-year base term ends Apr 9, 2032
Held by Toto Ltd.
Filed Apr 9, 2012 as application 13/442,774 · Granted Jun 10, 2014
Base term plus 124 days of patent term adjustment (USPTO delay)
Today
2012
2032
Clock starts
Apr 9, 2012
Apr 9, 2012
Term ends
Aug 11, 2032
Aug 11, 2032
Granted
Jun 10, 2014
Jun 10, 2014
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
124
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
23
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 124 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Apr 9, 2012, when this application, 13/442,774, was filed | Apr 9, 2032 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +124 days, USPTO patent term adjustment record | Aug 11, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 11, 2032 | High confidence |
This family
| US 8,510,876 | Lapsed on the fee record Aug 2017 | Aug 2017 |
| US 8,235,353 | Lapsed on the fee record Aug 2024 | Aug 2024 |
| US 8,534,318 | Lapsed on the fee record Sep 2021 | Sep 2021 |
| Application 12/886,116 | Abandoned not computed | not computed |
| US 8,745,772 | this patent Aug 2032 | Aug 2032 |
| US 9,062,444 | In force Jun 2033 | Jun 2033 |
| US 8,695,126 | In force Jul 2032 | Jul 2032 |
| US 10,648,164 | In force Sep 2033 | Sep 2033 |
8 of 23 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 |
|---|---|---|---|
| Apr 9, 2012 Reel 28015, frame 558 | Kido, Tsutomu; Kubozono, Yukinori; Matsuda, Haruki; Koga, Hisashi | Toto Ltd. | Assignment of Assignor's Interest |
| May 8, 2012 Reel 28177, frame 425 | Kido, Tsutomu; Kubozono, Yukinori; Matsuda, Haruki; Koga, Hisashi | Toto Ltd. | Corrective Assignment to Correct the Assignment Recorded on the Notice of Recordation for Document Number 501882339 from Incorrect Application Number 13/442,736 Previously Recorded on Reel 028015 Frame 0558. Assignor(S) Hereby Confirms the Assignment. |
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
Aug 2032
Term ends Aug 11, 2032. No further fees fall due before then
Note
The 124 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2014 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.