Term ends Jan 11, 2027 · Medium confidence
20-year base term ends Jan 11, 2027
Why Medium: A parent in the chain could not be resolved.
Held by Canon Kabushiki Kaisha
Filed Nov 20, 2014 as application 14/548,739 · Granted Sep 22, 2015
Base term, 20 years from filing
Today
2007
2027
Clock starts
Jan 11, 2007
Jan 11, 2007
Term ends
Jan 11, 2027
Jan 11, 2027
Granted
Sep 22, 2015
Sep 22, 2015
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 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.
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 is its 20-year base term, with no adjustment for prosecution delay. 2 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 11, 2007, when application 11/622,205, the earliest non-provisional in its chain, was filed (this one was filed Nov 20, 2014); a parent in its chain could not be resolved (the next row) | Jan 11, 2027 | 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 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 11, 2027 | Medium confidence |
This family
| US 7,509,071 | In force Jan 2027 | Jan 2027 |
| US 7,869,740 | In force Jan 2027 | Jan 2027 |
| US 8,165,494 | In force no later than Jan 2027 | no later than Jan 2027 |
| US 8,588,646 | In force Jan 2027 | Jan 2027 |
| US 8,971,760 | In force Jan 2027 | Jan 2027 |
| US 9,141,083 | this patent Jan 2027 | Jan 2027 |
| US 9,501,034 | Lapsed on the fee record Nov 2024 | Nov 2024 |
| US 9,519,260 | In force Jan 2027 | Jan 2027 |
8 of 23 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.
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
Jan 2027
Term ends Jan 11, 2027. No further fees fall due before then
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2015 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.