Also listed on Signant Health Global LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Oct 20, 2025 (Wilmington Trust, National Association).
Term ends Apr 18, 2040 · High confidence
20-year base term ends Jun 27, 2039
Held by CRF Box Oy
Filed Jun 27, 2019 as application 16/454,194 · Granted Jul 2, 2024
Base term plus 296 days of patent term adjustment (USPTO delay)
Today
2019
2040
Clock starts
Jun 27, 2019
Jun 27, 2019
Term ends
Apr 18, 2040
Apr 18, 2040
Granted
Jul 2, 2024
Jul 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
296
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 296 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 Jun 27, 2019, when this application, 16/454,194, was filed | Jun 27, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +296 days, USPTO patent term adjustment record | Apr 18, 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 | Apr 18, 2040 | 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 |
|---|---|---|---|
| Oct 29, 2019 Reel 50852, frame 618 | Lehtomäki, Riku | CRF Box Oy | Assignment of Assignor's Interest |
| Oct 18, 2021 Reel 57841, frame 466 | Lehtomäki, Riku | Crfbox Oy | Corrective Assignment to Correct the City Name in the Address of the Receiving Party Previously Recorded at Reel: 050882 Frame: 0618. Assignor(S) Hereby Confirms the Assignment. |
| Oct 20, 2025 Reel 72604, frame 878 | Signant Health Global LLC; Society for Clinical Research Sites, Inc.; Clinapps, Inc.; Signant Health LLC; Virtrial, LLC | Wilmington Trust, National Association, as Collateral Agent | Security 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.
What's changing
Apr 2040
Term ends Apr 18, 2040. Maintenance fees still fall due before then
Note
The 296 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
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.