Also listed on Nitto Pharmaceutical Industries, Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Nov 6, 2032 · Medium confidence
20-year base term ends Nov 6, 2032
Why Medium: A parent in the chain could not be resolved.
Held by Noster Inc.
Filed Jun 21, 2017 as application 15/629,716 · Granted May 21, 2019
Base term, 20 years from filing
Today
2012
2032
Clock starts
Nov 6, 2012
Nov 6, 2012
Term ends
Nov 6, 2032
Nov 6, 2032
Granted
May 21, 2019
May 21, 2019
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
4
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 is its 20-year base term, with no adjustment for prosecution delay. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 Nov 6, 2012, when application PCT/JP2012/078747, the earliest non-provisional in its chain, was filed (this one was filed Jun 21, 2017); a parent in its chain could not be resolved (the next row) | Nov 6, 2032 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | None on file | no change | 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 | Nov 6, 2032 | Medium confidence |
This family
| US 9,719,115 | In force Nov 2032 | Nov 2032 |
| US 10,294,501 | this patent Nov 2032 | Nov 2032 |
| US 10,975,397 | In force Nov 2032 | Nov 2032 |
3 of 4 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 1, 2021 Reel 55443, frame 461 | Nitto Pharmaceutical Industries, Ltd. | Noster Inc. | Assignment of Assignor's Interest |
| Oct 9, 2024 Reel 68851, frame 663 | Kyoto University | Noster Inc. | Assignment of Assignor's Interest |
| Oct 18, 2024 Reel 69207, frame 122 | Kyoto University | Noster Inc. | Corrective Assignment to Correct the the Property Type from Application Number to Patent Number for 10952983 and 10975397 Previously Recorded at Reel: 68851 Frame: 663. 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.
What's changing
Nov 2032
Term ends Nov 6, 2032. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
That is below the median 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.