Also listed on Nitto Pharmaceutical Industries, Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 31, 2035 · Medium confidence
20-year base term ends Jan 23, 2035
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 10,548,868), so the cap could be lower.
Held by Noster Inc.
Filed Nov 19, 2020 as application 16/953,129 · Granted Aug 4, 2026
Base term plus 189 days of patent term adjustment (USPTO delay)
Today
2015
2035
Clock starts
Jan 23, 2015
Jan 23, 2015
Term ends
Jul 31, 2035
Jul 31, 2035
Granted
Aug 4, 2026
Aug 4, 2026
base term
patent term adjustment
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
189
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,548,868, to Jul 31, 2035. The term already ends on or before that date, so the cap shortened nothing.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
3
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 189 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 2 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 Jan 23, 2015, when application PCT/JP2015/051844, the earliest non-provisional in its chain, was filed (this one was filed Nov 19, 2020) | Jan 23, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +189 days, USPTO patent term adjustment record | Jul 31, 2035 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,548,868) | resolves to Jul 31, 2035, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 31, 2035 | Medium confidence |
This family
| Application 15/113,714 | Abandoned not computed | not computed |
| US 12,697,318 | this patent Jul 2035 | Jul 2035 |
2 of 3 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 14, 2021 Reel 55920, frame 263 | 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 68943, frame 15 | Ogawa, Jun; Kishino, Shigenobu; Kawada, Teruo; Takahashi, Nobuyuki; Goto, Tsuyoshi; Sugawara, Tatsuya; Yonejima, Yasunori | Kyoto University; Nitto Pharmaceutical Industries, Ltd. | 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. |
| Oct 18, 2024 reel/frame not recorded | Ogawa, Jun; Goto, Tsuyoshi; Kishino, Shigenobu; Sugawara, Tatsuya; Takahashi, Nobuyuki; Yonejima, Yasunori; Kawada, Teruo | Kyoto University | Assignment of Assignor's Interest |
| Oct 18, 2024 reel/frame not recorded | Ogawa, Jun; Goto, Tsuyoshi; Kishino, Shigenobu; Sugawara, Tatsuya; Takahashi, Nobuyuki; Yonejima, Yasunori; Kawada, Teruo | Nitto Pharmaceutical Industries, 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
Jul 2035
Term ends Jul 31, 2035. Maintenance fees still fall due before then
Note
The 189 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,548,868, ends no earlier than this term, so it caps nothing.
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.