Term ends Aug 24, 2041 · High confidence
20-year base term ends Aug 24, 2041
Filed Dec 9, 2022 as application 18/001,368 · Granted Sep 15, 2026
Base term plus 60 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2021
2041
Clock starts
Aug 24, 2021
Aug 24, 2021
Term ends
Aug 24, 2041
Aug 24, 2041
Granted
Sep 15, 2026
Sep 15, 2026
base term
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
60
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 12,131,126.
0 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.
58
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 60 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 3 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 Aug 24, 2021, when application PCT/GB2021/052196, the earliest non-provisional in its chain, was filed (this one was filed Dec 9, 2022) | Aug 24, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +60 days, USPTO patent term adjustment record | Oct 23, 2041 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 12,131,126) | capped to Aug 24, 2041 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 24, 2041 | High confidence |
This family
| US 12,737,552 | this patent Aug 2041 | Aug 2041 |
| Application 18/088,586 | Abandoned not computed | not computed |
| US 12,499,320 | In force Aug 2041 | Aug 2041 |
| US 12,131,126 | In force Aug 2041 | Aug 2041 |
| Application 18/088,589 | Abandoned not computed | not computed |
| US 12,217,009 | In force Aug 2041 | Aug 2041 |
| Application 18/088,596 | Pending not computed | not computed |
| US 12,400,085 | In force Aug 2041 | Aug 2041 |
8 of 58 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 |
|---|---|---|---|
| Dec 21, 2022 Reel 62166, frame 162 | Tunstall-pedoe, William; Curran, Finlay; Roscoe, Harry; Heywood, Robert | Unlikely Artificial Intelligence Limited | 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
Aug 2041
Term ends Aug 24, 2041. Maintenance fees still fall due before then
Note
The 60 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 12,131,126.
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.