Term ends Nov 21, 2031 · High confidence
20-year base term ends Jul 8, 2029
Held by Cognex Corporation
Filed Apr 23, 2019 as application 16/392,285 · Granted Jun 20, 2023
Base term plus 866 days of patent term adjustment (USPTO delay)
Today
2009
2031
Clock starts
Jul 8, 2009
Jul 8, 2009
Term ends
Nov 21, 2031
Nov 21, 2031
Granted
Jun 20, 2023
Jun 20, 2023
base term
patent term adjustment
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
866
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
6
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 866 days past its 20-year base term on prosecution delay. 1 of 2 maintenance fees is 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 Jul 8, 2009, when application 12/499,758, the earliest non-provisional in its chain, was filed (this one was filed Apr 23, 2019) | Jul 8, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +866 days, USPTO patent term adjustment record | Nov 21, 2031 | 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 | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 21, 2031 | High confidence |
This family
| US 8,531,650 | In force Jun 2032 | Jun 2032 |
| US 8,836,921 | Lapsed on the fee record Sep 2026 | Sep 2026 |
| US 9,696,137 | In force May 2030 | May 2030 |
| US 10,317,193 | In force no later than Aug 2029 | no later than Aug 2029 |
| US 11,680,790 | this patent Nov 2031 | Nov 2031 |
| US 12,435,968 | In force Jan 2030 | Jan 2030 |
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 |
|---|---|---|---|
| Aug 8, 2019 Reel 50002, frame 742 | Feldkhun, Daniel; Braker, Benjamin; Moore, Eric Daniel | Chiaro Technologies LLC | Assignment of Assignor's Interest |
| Aug 8, 2019 Reel 50002, frame 831 | Chiaro Technologies LLC | Cognex 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 2031
Term ends Nov 21, 2031. Maintenance fees still fall due before then
Note
The 866 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
10
later US patents cite this one
That is top 10% of utility patents granted in 2023 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.