Lapsed Feb 15, 2026 on the fee record · High confidence
20-year base term ends Dec 14, 2037
First maintenance fee unpaid; grace period ended.
Held by Quantum-Si Incorporated
Filed Dec 19, 2019 as application 16/721,611 · Granted Feb 15, 2022
Base term, 20 years from filing
Today
Lapsed Feb 15, 2026
2017
2037
Clock starts
Dec 14, 2017
Dec 14, 2017
No longer in force
Feb 15, 2026
Feb 15, 2026
Granted
Feb 15, 2022
Feb 15, 2022
Term would have run to
Dec 14, 2037
Dec 14, 2037
base term
after the term ends
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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Dec 14, 2037: its 20-year base term, with no adjustment for prosecution delay. 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 14, 2017, when application 15/842,720, the earliest non-provisional in its chain, was filed (this one was filed Dec 19, 2019) | Dec 14, 2037 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High 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 | lapsed Feb 15, 2026 | High confidence |
| Computed term end | The steps above, in order | Feb 15, 2026 | High confidence |
This family
| US 10,551,624 | In force Dec 2037 | Dec 2037 |
| US 11,249,318 | this patent Feb 2026 | Feb 2026 |
| US 12,235,463 | In force Dec 2037 | Dec 2037 |
| Application 18/817,108 | 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 |
|---|---|---|---|
| Dec 23, 2019 Reel 51354, frame 263 | Rothberg, Jonathan M.; Glenn, Paul E.; Schultz, Jonathan C.; Cipriany, Benjamin | Quantum-Si Incorporated | 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.
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Alerts on its grants, lapses and transfers.
Citations
33
later US patents cite this one
That is top 5% of utility patents granted in 2022 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.