Term ends Jan 13, 2030 · High confidence
20-year base term ends Jul 8, 2029
Held by Cognex Corporation
Filed May 5, 2023 as application 18/143,820 · Granted Oct 7, 2025
Base term plus 189 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Jul 8, 2009
Jul 8, 2009
Term ends
Jan 13, 2030
Jan 13, 2030
Granted
Oct 7, 2025
Oct 7, 2025
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 11,680,790, to Jan 13, 2030. The term already ends on or before that date, so the cap shortened nothing.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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 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 1 maintenance fees are 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 May 5, 2023) | Jul 8, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +189 days, USPTO patent term adjustment record | Jan 13, 2030 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 11,680,790) | resolves to Jan 13, 2030, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 13, 2030 | 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 | In force Nov 2031 | Nov 2031 |
| US 12,435,968 | this patent 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 |
|---|---|---|---|
| Sep 7, 2023 Reel 64825, frame 157 | Feldkhun, Daniel; Braker, Benjamin; Moore, Eric Daniel | Chiaro Technologies LLC | Assignment of Assignor's Interest |
| Sep 7, 2023 Reel 64825, frame 181 | 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
Jan 2030
Term ends Jan 13, 2030. 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 11,680,790, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2025 in our data have been cited yet, so we show the count and do not rank on it.
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.