Also listed on Biolux Research Holdings, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jun 10, 2040 · High confidence
20-year base term ends Dec 13, 2039
Held by Biolux Group S.A.
Filed Jun 4, 2021 as application 17/309,538 · Granted Nov 12, 2024
Base term plus 180 days of patent term adjustment (USPTO delay)
Today
2019
2040
Clock starts
Dec 13, 2019
Dec 13, 2019
Term ends
Jun 10, 2040
Jun 10, 2040
Granted
Nov 12, 2024
Nov 12, 2024
base term
patent term adjustment
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
180
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.
3
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 180 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 13, 2019, when application PCT/CA2019/051810, the earliest non-provisional in its chain, was filed (this one was filed Jun 4, 2021) | Dec 13, 2039 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +180 days, USPTO patent term adjustment record | Jun 10, 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 | Jun 10, 2040 | High confidence |
This family
| US 12,138,471 | this patent Jun 2040 | Jun 2040 |
| Application 18/903,409 | Pending not computed | not computed |
2 of 3 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 |
|---|---|---|---|
| Nov 17, 2022 Reel 61811, frame 444 | Quincampoix Investment Corporation | LLLT Technologies S.A. | Assignment of Assignor's Interest |
| Jan 10, 2023 Reel 62333, frame 105 | Brawn, Peter | Quincampoix Investment Corporation | Assignment of Assignor's Interest |
| Jan 10, 2023 Reel 62333, frame 214 | See, Ke Shyang | Osei International SDN BHD. | Assignment of Assignor's Interest |
| Jan 10, 2023 Reel 62333, frame 260 | Osel International SDN BHD. | Biolux Research Ltd. | Assignment of Assignor's Interest |
| Jan 10, 2023 Reel 62333, frame 398 | Biolux Research Holdings, Inc. | Biolux (ABC), LLC | Assignment of Assignor's Interest |
| Jan 10, 2023 Reel 62333, frame 461 | Biolux (ABC), LLC | LLLT Technologies S.A. | Assignment of Assignor's Interest |
| May 31, 2023 Reel 64002, frame 413 | Biolux Research Limited | Biolux Research Holdings, Inc. | Assignment of Assignor's Interest |
| Jul 8, 2024 Reel 68219, frame 90 | LLLT Technologies S.A. | Biolux Group S.A. | 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.
What's changing
Jun 2040
Term ends Jun 10, 2040. Maintenance fees still fall due before then
Note
The 180 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.