Term ends Sep 27, 2042 · High confidence
20-year base term ends Dec 17, 2041
Held by Viaphoton LLC
Filed Dec 17, 2021 as application 17/555,008 · Granted Jul 23, 2024
Base term plus 284 days of patent term adjustment (USPTO delay)
Today
2021
2042
Clock starts
Dec 17, 2021
Dec 17, 2021
Term ends
Sep 27, 2042
Sep 27, 2042
Granted
Jul 23, 2024
Jul 23, 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
284
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.
5
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 284 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 17, 2021, when this application, 17/555,008, was filed | Dec 17, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +284 days, USPTO patent term adjustment record | Sep 27, 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 | Sep 27, 2042 | High confidence |
This family
| US 11,531,178 | In force May 2041 | May 2041 |
| US 12,044,895 | this patent Sep 2042 | Sep 2042 |
| US 12,456,852 | In force Dec 2042 | Dec 2042 |
| US 12,687,690 | In force Jul 2042 | Jul 2042 |
| US 12,523,833 | In force Dec 2041 | Dec 2041 |
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 |
|---|---|---|---|
| Jan 6, 2022 Reel 58585, frame 402 | Hendrix, Walter Mark; Dabdoub, Elizabeth Grace; Klootwyk, Eric Russell; Maranto, Keith Samuel | Viaphoton, Inc. | Assignment of Assignor's Interest |
| Apr 1, 2022 Reel 59476, frame 183 | Viaphoton Inc. | Signature Bank | Security Interest |
| Sep 12, 2024 Reel 68575, frame 950 | Signature Bank; Customers Bank | Viaphoton Inc. | Release of Security Interest |
| Oct 7, 2024 Reel 68823, frame 344 | Viaphoton, Inc. | Eclipse Business Capital LLC | Security Interest |
| Sep 17, 2025 Reel 72590, frame 868 | Viaphoton Inc. | Phoenix Merchant Agent, LP, as Administrative Agent | Security Interest |
| Apr 8, 2026 Reel 75352, frame 418 | Viaphoton, Inc. | Viaphoton LLC | Change of Name |
| Apr 15, 2026 Reel 75423, frame 696 | Phoenix Merchant Agent, LP | Viaphoton LLC | Release of Patent Security Interest Recorded at R/F 72590/0868 |
| Apr 15, 2026 Reel 75423, frame 589 | Viaphoton LLC | Phoenix Merchant Agent, LP | 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
Sep 2042
Term ends Sep 27, 2042. Maintenance fees still fall due before then
Note
The 284 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.