Term ends Aug 17, 2038 · High confidence
20-year base term ends May 31, 2038
Filed Dec 8, 2021 as application 17/545,149 · Granted Oct 7, 2025
Base term plus 78 days of patent term adjustment (USPTO delay)
Today
2018
2038
Clock starts
May 31, 2018
May 31, 2018
Term ends
Aug 17, 2038
Aug 17, 2038
Granted
Oct 7, 2025
Oct 7, 2025
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
78
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.
9
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 78 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 31, 2018, when application 15/994,501, the earliest non-provisional in its chain, was filed (this one was filed Dec 8, 2021) | May 31, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +78 days, USPTO patent term adjustment record | Aug 17, 2038 | 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 17, 2038 | High confidence |
This family
| US 11,134,013 | In force Feb 2039 | Feb 2039 |
| US 11,372,689 | In force Jun 2038 | Jun 2038 |
| US 12,436,809 | this patent Aug 2038 | Aug 2038 |
| US 11,836,535 | In force May 2038 | May 2038 |
| US 12,430,185 | In force May 2038 | May 2038 |
| US 12,511,175 | In force May 2038 | May 2038 |
| US 12,327,146 | In force May 2038 | May 2038 |
| US 12,248,821 | In force May 2038 | May 2038 |
8 of 9 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 |
|---|---|---|---|
| Feb 11, 2022 Reel 58988, frame 310 | Nodus Software Solutions LLC | Adaptive Computing Enterprises, Inc. | Assignment of Assignor's Interest |
| Feb 15, 2022 Reel 59115, frame 53 | Allen, Arthur L. | Nodus Software Solutions LLC | Assignment of Assignor's Interest |
| Sep 17, 2025 Reel 72281, frame 822 | Nodus Software Solutions LLC | Adaptive Computing Enterprises, Inc. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2038
Term ends Aug 17, 2038. Maintenance fees still fall due before then
Note
The 78 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
Fewer than half of the utility patents granted in 2025 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.