Term ends Aug 16, 2040 · Medium confidence
20-year base term ends May 15, 2040
Why Medium: A parent in the chain could not be resolved.
Held by AST & Science, LLC
Filed Aug 19, 2024 as application 18/808,777 · Granted Sep 15, 2026
Base term plus 93 days of patent term adjustment (USPTO delay)
Today
2020
2040
Clock starts
May 15, 2020
May 15, 2020
Term ends
Aug 16, 2040
Aug 16, 2040
Granted
Sep 15, 2026
Sep 15, 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
93
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.
4
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 93 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 May 15, 2020, when application 16/875,738, the earliest non-provisional in its chain, was filed (this one was filed Aug 19, 2024); a parent in its chain could not be resolved (the next row) | May 15, 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 | +93 days, USPTO patent term adjustment record | Aug 16, 2040 | 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 | Aug 16, 2040 | Medium confidence |
This family
| US 11,021,270 | In force May 2040 | May 2040 |
| US 11,718,421 | In force May 2040 | May 2040 |
| US 12,065,268 | In force May 2040 | May 2040 |
| US 12,735,200 | this patent Aug 2040 | Aug 2040 |
The applications whose file history this site holds. The family may have others.
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 2040
Term ends Aug 16, 2040. Maintenance fees still fall due before then
Note
The 93 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.