Term ends Jun 22, 2041 · Medium confidence
20-year base term ends Dec 1, 2040
Why Medium: A parent in the chain could not be resolved.
Held by Cybin UK Ltd.
Filed May 15, 2023 as application 18/252,949 · Granted Jan 13, 2026
Base term plus 203 days of patent term adjustment (USPTO delay)
Today
2020
2041
Clock starts
Dec 1, 2020
Dec 1, 2020
Term ends
Jun 22, 2041
Jun 22, 2041
Granted
Jan 13, 2026
Jan 13, 2026
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
203
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
7
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 203 days past its 20-year base term on prosecution delay. 0 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 Dec 1, 2020, when applications 17/108,679 and 17/108,938, the earliest non-provisional applications in its chain, were filed (this one was filed May 15, 2023); a parent in its chain could not be resolved (the next row) | Dec 1, 2040 | 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 | +203 days, USPTO patent term adjustment record | Jun 22, 2041 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 22, 2041 | Medium confidence |
This family
| Application 17/108,679 | Abandoned not computed | not computed |
| US 11,773,062 | In force Apr 2041 | Apr 2041 |
| US 12,042,564 | In force Apr 2041 | Apr 2041 |
| US 12,521,370 | this patent Jun 2041 | Jun 2041 |
| Application 18/748,483 | Pending not computed | not computed |
5 of 7 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 |
|---|---|---|---|
| May 25, 2023 Reel 63757, frame 509 | Rands, Peter; James, Ellen; Benway, Tiffanie; Joel, Zelah; Layzell, Marie | Small Pharma Ltd. | Assignment of Assignor's Interest |
| Jan 16, 2024 Reel 66131, frame 335 | Small Pharma Ltd. | Cybin UK Ltd. | Change of Name |
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
Jun 2041
Term ends Jun 22, 2041. Maintenance fees still fall due before then
Note
The 203 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
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.