Term ends Dec 28, 2042 · High confidence
20-year base term ends Dec 28, 2042
Held by Atai Therapeutics, Inc.
Filed May 7, 2024 as application 18/657,306 · Granted Apr 21, 2026
Base term plus 50 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2022
2042
Clock starts
Dec 28, 2022
Dec 28, 2022
Term ends
Dec 28, 2042
Dec 28, 2042
Granted
Apr 21, 2026
Apr 21, 2026
base term
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
50
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 12,012,381.
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.
3
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 50 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 Dec 28, 2022, when application 18/147,499, the earliest non-provisional in its chain, was filed (this one was filed May 7, 2024) | Dec 28, 2042 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +50 days, USPTO patent term adjustment record | Feb 16, 2043 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 12,012,381) | capped to Dec 28, 2042 | 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 | Dec 28, 2042 | High confidence |
This family
| US 12,012,381 | In force Dec 2042 | Dec 2042 |
| US 12,606,525 | this patent Dec 2042 | Dec 2042 |
| Application 19/571,951 | Pending not computed | not computed |
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 |
|---|---|---|---|
| Nov 21, 2025 Reel 72994, frame 873 | Short, Glenn; Khan, Tanweer A. | Atai Life Sciences AG | Assignment of Assignor's Interest |
| Nov 21, 2025 Reel 72994, frame 906 | Perni, Robert B. | JMD Pharma Creativity, LLC | Assignment of Assignor's Interest |
| Nov 21, 2025 Reel 72994, frame 911 | JMD Pharma Creativity, LLC | Atai Life Sciences US, Inc. | Assignment of Assignor's Interest |
| Nov 21, 2025 Reel 72994, frame 982 | Atai Life Sciences US, Inc. | Atai Life Sciences AG | Assignment of Assignor's Interest |
| Nov 21, 2025 Reel 72995, frame 54 | Atai Life Sciences AG | Viridia Life Sciences, Inc. | Assignment of Assignor's Interest |
| Nov 21, 2025 Reel 73683, frame 74 | Viridia Life Sciences, Inc. | Atai Therapeutics, Inc. | 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.
What's changing
Dec 2042
Term ends Dec 28, 2042. Maintenance fees still fall due before then
Note
The 50 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 12,012,381.
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.