Also listed on VC Brands, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Aug 4, 2026 (Deutsche Bank AG New York Branch).
Term ends Aug 4, 2042 · High confidence
20-year base term ends Jul 29, 2041
Held by Visual Comfort LLC
Filed Jul 29, 2021 as application 17/388,911 · Granted Jul 9, 2024
Base term plus 371 days of patent term adjustment (USPTO delay)
Today
2021
2042
Clock starts
Jul 29, 2021
Jul 29, 2021
Term ends
Aug 4, 2042
Aug 4, 2042
Granted
Jul 9, 2024
Jul 9, 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
371
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 371 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 Jul 29, 2021, when this application, 17/388,911, was filed | Jul 29, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +371 days, USPTO patent term adjustment record | Aug 4, 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 | Aug 4, 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 |
|---|---|---|---|
| Nov 21, 2021 Reel 58174, frame 329 | Hack, Tyler; Lavin, Sean | Tech Lighting LLC | Assignment of Assignor's Interest |
| Jul 31, 2024 Reel 68139, frame 114 | Tech Lighting LLC | VC Brands LLC | Assignment of Assignor's Interest |
| Jun 18, 2026 Reel 75007, frame 227 | Visual Comfort of America LLLC | Visual Comfort LLC | Merger |
| Jul 23, 2026 Reel 76071, frame 364 | VC Brands, LLC | Visual Comfort LLC | Change of Name |
| Aug 4, 2026 Reel 76165, frame 817 | Visual Comfort LLC (F/K/A Visual Comfort of America, LLC, VC Brands LLC, or Tech Lighting L.L.C.); Visual Comfort & Co. | Deutsche Bank AG New York Branch, as Collateral Agent | Abl Patent Security Agreement |
| Aug 4, 2026 Reel 76329, frame 493 | Visual Comfort LLC (F/K/A Visual Comfort of America, LLC, VC Brands LLC, or Tech Lighting L.L.C.); Visual Comfort & Co. | Deutsche Bank AG New York Branch, as Collateral Agent | First Lien Patent Security Agreement |
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
Aug 2042
Term ends Aug 4, 2042. Maintenance fees still fall due before then
Note
The 371 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
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.