Also listed on Opera Solutions U SA LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 29, 2037 · High confidence
20-year base term ends Mar 13, 2034
Held by Daitrix, LLC
Filed Jul 15, 2019 as application 16/511,743 · Granted Aug 19, 2025
Base term plus 1265 days of patent term adjustment (USPTO delay)
Today
2014
2037
Clock starts
Mar 13, 2014
Mar 13, 2014
Term ends
Aug 29, 2037
Aug 29, 2037
Granted
Aug 19, 2025
Aug 19, 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
1,265
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.
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 1265 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 Mar 13, 2014, when application 14/209,135, the earliest non-provisional in its chain, was filed (this one was filed Jul 15, 2019) | Mar 13, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +1265 days, USPTO patent term adjustment record | Aug 29, 2037 | 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 29, 2037 | High confidence |
This family
| Application 14/209,135 | Abandoned not computed | not computed |
| US 12,393,849 | this patent Aug 2037 | Aug 2037 |
| Application 19/304,169 | Pending not computed | not computed |
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 3, 2021 Reel 58301, frame 573 | Opera Solutions USA, LLC | Electrifai, LLC | Change of Name |
| Apr 27, 2026 Reel 74478, frame 553 | Electrifai, LLC | Electrifai Opco, LLC | Assignment of Assignor's Interest |
| Apr 27, 2026 Reel 75475, frame 112 | Electrifai Opco, LLC | Daitrix, LLC | Change of Name |
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 2037
Term ends Aug 29, 2037. Maintenance fees still fall due before then
Note
The 1265 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 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.