Term ends Jul 23, 2035 · High confidence
20-year base term ends Oct 3, 2034
Held by Marelli Corporation
Filed Apr 20, 2016 as application 15/030,658 · Granted Jan 8, 2019
Base term plus 293 days of patent term adjustment (USPTO delay)
Today
2014
2035
Clock starts
Oct 3, 2014
Oct 3, 2014
Term ends
Jul 23, 2035
Jul 23, 2035
Granted
Jan 8, 2019
Jan 8, 2019
base term
patent term adjustment
fee events
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
293
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
2
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 293 days past its 20-year base term on prosecution delay. 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 Oct 3, 2014, when application PCT/JP2014/005059, the earliest non-provisional in its chain, was filed (this one was filed Apr 20, 2016) | Oct 3, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +293 days, USPTO patent term adjustment record | Jul 23, 2035 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 23, 2035 | High confidence |
This family
| US 10,175,303 | this patent Jul 2035 | Jul 2035 |
1 of 2 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 20, 2016 Reel 38330, frame 816 | Baba, Atsushi; Adachi, Shuichi; Maruta, Ichiro | Calsonic Kansei Corporation; Keio University; Kyoto University | Assignment of Assignor's Interest |
| Apr 20, 2016 reel/frame not recorded | Adachi, Shuichi; Maruta, Ichiro; Baba, Atsushi | Calsonic Kansei Corporation | Assignment of Assignor's Interest |
| Apr 20, 2016 reel/frame not recorded | Adachi, Shuichi; Maruta, Ichiro; Baba, Atsushi | Keio University | Assignment of Assignor's Interest |
| Apr 20, 2016 reel/frame not recorded | Adachi, Shuichi; Maruta, Ichiro; Baba, Atsushi | Kyoto University | Assignment of Assignor's Interest |
| Jul 23, 2024 Reel 68052, frame 399 | Calsonic Kansei Corporation | Marelli Corporation | Change of Name |
| Jul 23, 2024 Reel 68490, frame 722 | Marelli Corporation | Marelli Corporation | Change of Address |
| Aug 12, 2024 Reel 68250, frame 577 | Keio University; Kyoto University | Marelli Corporation | Assignment of Assignor's Interest |
| Jun 12, 2025 Reel 71577, frame 598 | Calsonic Kansei Corporation | Marelli Corporation | Change of Name |
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 2035
Term ends Jul 23, 2035. Maintenance fees still fall due before then
Note
The 293 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
19
later US patents cite this one
That is top 25% of utility patents granted in 2019 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.