Term ends Oct 20, 2038 · Medium confidence
20-year base term ends Oct 20, 2038
Why Medium: A parent in the chain could not be resolved.
Held by Nautilus Subsidiary, Inc.
Filed Aug 7, 2019 as application 16/534,174 · Granted Aug 8, 2023
Base term, 20 years from filing
Today
2018
2038
Clock starts
Oct 20, 2018
Oct 20, 2018
Term ends
Oct 20, 2038
Oct 20, 2038
Granted
Aug 8, 2023
Aug 8, 2023
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
None
Term adjustment
No prosecution delay on this record.
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.
14
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 is its 20-year base term, with no adjustment for 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 Oct 20, 2018, when application PCT/US2018/056807, the earliest non-provisional in its chain, was filed (this one was filed Aug 7, 2019); a parent in its chain could not be resolved (the next row) | Oct 20, 2038 | 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 | None on file | no change | 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 | Oct 20, 2038 | Medium confidence |
This family
| US 11,721,412 | this patent Oct 2038 | Oct 2038 |
| Application 16/534,257 | Abandoned not computed | not computed |
| US 11,545,234 | In force Oct 2038 | Oct 2038 |
| Application 17/221,405 | Abandoned not computed | not computed |
| US 11,282,586 | In force Oct 2038 | Oct 2038 |
| US 11,282,585 | In force Oct 2038 | Oct 2038 |
| US 12,148,509 | In force Oct 2038 | Oct 2038 |
| US 12,633,372 | In force Dec 2038 | Dec 2038 |
8 of 14 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 |
|---|---|---|---|
| Jan 22, 2020 Reel 51582, frame 550 | Patel, Sujal M.; Mallick, Parag; Egertson, Jarrett D. | Nautilus Biotechnology, Inc. | Assignment of Assignor's Interest |
| Apr 13, 2023 Reel 63325, frame 533 | Nautilus Biotechnology, Inc. | Nautilus Subsidiary, 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.
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Alerts on its grants, lapses and transfers.
What's changing
Oct 2038
Term ends Oct 20, 2038. Maintenance fees still fall due before then
Citations
17
later US patents cite this one
That is top 5% of utility patents granted in 2023 in our data, the only group it is compared against.
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.