Term ends Nov 26, 2030 · Medium confidence
20-year base term ends Nov 26, 2030
Why Medium: A parent in the chain could not be resolved.
Filed Jan 26, 2017 as application 15/416,853 · Granted Nov 13, 2018
Base term, 20 years from filing
Today
2010
2030
Clock starts
Nov 26, 2010
Nov 26, 2010
Term ends
Nov 26, 2030
Nov 26, 2030
Granted
Nov 13, 2018
Nov 13, 2018
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 26, 2010, when application PCT/JP2010/006913, the earliest non-provisional in its chain, was filed (this one was filed Jan 26, 2017); a parent in its chain could not be resolved (the next row) | Nov 26, 2030 | 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 26, 2030 | Medium confidence |
This family
| US 9,020,307 | In force May 2031 | May 2031 |
| US 9,684,129 | In force Nov 2030 | Nov 2030 |
| US 10,126,502 | this patent Nov 2030 | Nov 2030 |
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 |
|---|---|---|---|
| Jan 27, 2017 reel/frame not recorded | Ishikawa, Takanori; Nagano, Mitsuru; Shibazaki, Tomoyo; Terui, Hiroshi; Yanagisawa, Masahiro; Itoh, Mikitaka | NTT Electronics Corporation | Assignment of Assignor's Interest |
| Jan 27, 2017 reel/frame not recorded | Ishikawa, Takanori; Nagano, Mitsuru; Shibazaki, Tomoyo; Terui, Hiroshi; Yanagisawa, Masahiro; Itoh, Mikitaka | Nippon Telegraph and Telephone Corporation | Assignment of Assignor's Interest |
| Jan 27, 2017 Reel 41099, frame 52 | Ishikawa, Takanori; Shibazaki, Tomoyo; Nagano, Mitsuru; Yanagisawa, Masahiro; Terui, Hiroshi; Itoh, Mikitaka | NTT Electronics Corporation; Nippon Telegraph and Telephone Corporation | 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
Nov 2030
Term ends Nov 26, 2030. Maintenance fees still fall due before then
Citations
3
later US patents cite this one
That is below the median of utility patents granted in 2018 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.