Collateral for a security interest recorded Oct 30, 2025 (First-Citizens Bank & Trust Company).
Term ends Mar 7, 2044 · High confidence
20-year base term ends Aug 10, 2043
Held by Lumafield, Inc.
Filed Aug 10, 2023 as application 18/232,688 · Granted Oct 7, 2025
Base term plus 210 days of patent term adjustment (USPTO delay)
Today
2023
2044
Clock starts
Aug 10, 2023
Aug 10, 2023
Term ends
Mar 7, 2044
Mar 7, 2044
Granted
Oct 7, 2025
Oct 7, 2025
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
210
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.
2
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 210 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 Aug 10, 2023, when this application, 18/232,688, was filed | Aug 10, 2043 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +210 days, USPTO patent term adjustment record | Mar 7, 2044 | 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 | Mar 7, 2044 | High confidence |
This family
| US 12,436,113 | this patent Mar 2044 | Mar 2044 |
| Application PCT/US2024/040962 | PCT application no patent term | no patent term |
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 |
|---|---|---|---|
| Sep 18, 2024 Reel 68626, frame 49 | Lumafield, Inc. | Triplepoint Capital LLC | Security Interest |
| Apr 24, 2025 Reel 70937, frame 306 | Damiano, Adam P. | Lumafield, Inc. | Assignment of Assignor's Interest |
| Oct 30, 2025 Reel 72728, frame 826 | Lumafield, Inc. | First-Citizens Bank & Trust Company | Security Interest |
| Oct 31, 2025 Reel 72749, frame 241 | Triplepoint Capital LLC | Lumafield, Inc. | Release of 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2044
Term ends Mar 7, 2044. Maintenance fees still fall due before then
Note
The 210 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 2025 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.