Term ends Jul 11, 2042 · High confidence
20-year base term ends May 5, 2041
Held by Viaphoton LLC
Filed Jun 20, 2023 as application 18/212,076 · Granted Jul 21, 2026
Base term plus 432 days of patent term adjustment (USPTO delay)
Today
2021
2042
Clock starts
May 5, 2021
May 5, 2021
Term ends
Jul 11, 2042
Jul 11, 2042
Granted
Jul 21, 2026
Jul 21, 2026
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
432
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 432 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 May 5, 2021, when application 17/308,729, the earliest non-provisional in its chain, was filed (this one was filed Jun 20, 2023) | May 5, 2041 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +432 days, USPTO patent term adjustment record | Jul 11, 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 | Jul 11, 2042 | High confidence |
This family
| US 11,531,178 | In force May 2041 | May 2041 |
| US 12,044,895 | In force Sep 2042 | Sep 2042 |
| US 12,456,852 | In force Dec 2042 | Dec 2042 |
| US 12,687,690 | this patent 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 18, 2024 Reel 66170, frame 967 | Hendrix, Walter Mark; Benton, Nathan Eric; Smrha, Mark James; Womack, Wade James | Viaphoton, Inc. | Assignment of Assignor's Interest |
| Jan 31, 2024 Reel 66311, frame 675 | Hendrix, Walter Mark; Abbas, Syed Babar; Dabdoub, Elizabeth Grace | Viaphoton, Inc. | Assignment of Assignor's 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
Jul 2042
Term ends Jul 11, 2042. Maintenance fees still fall due before then
Note
The 432 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.