Collateral for a security interest recorded Jul 2, 2024 (Sanders Family 2010 Dynasty Trust).
Term ends May 10, 2039 · High confidence
20-year base term ends Dec 20, 2038
Held by Optisys, Inc.
Filed Dec 20, 2018 as application 16/228,510 · Granted Nov 17, 2020
Base term plus 141 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Dec 20, 2018
Dec 20, 2018
Term ends
May 10, 2039
May 10, 2039
Granted
Nov 17, 2020
Nov 17, 2020
base term
patent term adjustment
fee events
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
141
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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 141 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 20, 2018, when this application, 16/228,510, was filed | Dec 20, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +141 days, USPTO patent term adjustment record | May 10, 2039 | 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 | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 10, 2039 | High confidence |
This family
| US 10,840,605 | this patent May 2039 | May 2039 |
| US 11,381,006 | In force Dec 2038 | Dec 2038 |
| US 12,003,011 | In force Jan 2039 | Jan 2039 |
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 |
|---|---|---|---|
| Dec 21, 2018 Reel 47839, frame 670 | Hollenbeck, Michael; Smith, Robert | Optisys, LLC | Assignment of Assignor's Interest |
| Apr 5, 2022 Reel 59607, frame 900 | Optisys, LLC | Optisys, Inc. | Entity Conversion |
| Jul 2, 2024 Reel 67896, frame 369 | Optisys, Inc. | Sanders Family 2010 Dynasty Trust | 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
May 2039
Term ends May 10, 2039. Maintenance fees still fall due before then
Note
The 141 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
15
later US patents cite this one
That is top 25% of utility patents granted in 2020 in our data, the only group it is compared against.
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.