Also listed on Ciitizen, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Feb 23, 2042 · High confidence
20-year base term ends Dec 3, 2039
Held by Citizen Health, Inc.
Filed Dec 3, 2019 as application 16/702,405 · Granted Jan 2, 2024
Base term plus 813 days of patent term adjustment (USPTO delay)
Today
2019
2042
Clock starts
Dec 3, 2019
Dec 3, 2019
Term ends
Feb 23, 2042
Feb 23, 2042
Granted
Jan 2, 2024
Jan 2, 2024
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
813
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.
This patent's term runs 813 days past its 20-year base term on prosecution delay. 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 3, 2019, when this application, 16/702,405, was filed | Dec 3, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +813 days, USPTO patent term adjustment record | Feb 23, 2042 | 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 | Feb 23, 2042 | High confidence |
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 28, 2020 Reel 51648, frame 522 | Geng, Kunling | Ciitizen Corp. | Assignment of Assignor's Interest |
| Oct 22, 2021 Reel 57881, frame 810 | Ciitizen Corporation; Cayman Merger Sub B LLC | Ciitizen, LLC | Merger and Change of Name |
| Oct 22, 2021 Reel 57877, frame 241 | Ciitizen, LLC | Perceptive Credit Holdings III, LP | Security Interest |
| Mar 2, 2023 Reel 62861, frame 976 | Perceptive Credit Holdings III, LP | Ciitizen, LLC | Release of Security Interest |
| Mar 7, 2023 Reel 62907, frame 924 | Ciitizen, LLC | U.S. Bank Trust Company, National Association, as Collateral Agent | Security Interest |
| Dec 14, 2023 Reel 66017, frame 791 | U.S. Bank Trust Company, National Association | Ciitizen, LLC | Release of Security Interest at R/F 63787/0148 |
| Jan 10, 2024 Reel 66087, frame 60 | Invitae Corporation; Ciitizen, LLC | Citizen Health, Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Feb 2042
Term ends Feb 23, 2042. Maintenance fees still fall due before then
Note
The 813 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
0
later US patents cite this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.