Collateral for a security interest recorded Apr 22, 2026 (Twin Brook Capital Partners, LLC).
Term ends Feb 23, 2033 · Medium confidence
20-year base term ends Jun 22, 2032
Why Medium: A parent in the chain could not be resolved.
Held by Ecotech, LLC
Filed Oct 10, 2023 as application 18/483,847 · Granted Mar 3, 2026
Base term plus 246 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Jun 22, 2012
Jun 22, 2012
Term ends
Feb 23, 2033
Feb 23, 2033
Granted
Mar 3, 2026
Mar 3, 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
246
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 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
6
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 246 days past its 20-year base term on prosecution delay. 0 of 1 maintenance fees are paid so far. Confidence: Medium. 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 Jun 22, 2012, when application 13/530,916, the earliest non-provisional in its chain, was filed (this one was filed Oct 10, 2023); a parent in its chain could not be resolved (the next row) | Jun 22, 2032 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +246 days, USPTO patent term adjustment record | Feb 23, 2033 | 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 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 23, 2033 | Medium confidence |
This family
| US 9,839,206 | In force Aug 2034 | Aug 2034 |
| US 10,440,940 | In force Jun 2032 | Jun 2032 |
| US 10,729,111 | In force Jun 2032 | Jun 2032 |
| US 11,388,891 | In force Aug 2032 | Aug 2032 |
| US 12,564,178 | this patent Feb 2033 | Feb 2033 |
5 of 6 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 |
|---|---|---|---|
| Nov 15, 2023 Reel 65574, frame 910 | Lawyer, Justin; Clasen, Patrick; Marks, Timothy; Lindenmoyer, Mark | Ecotech Marine, LLC | Assignment of Assignor's Interest |
| Nov 15, 2023 Reel 65574, frame 950 | Ecotech Marine, LLC | Ecotech, LLC | Change of Name |
| Apr 22, 2026 Reel 74444, frame 986 | Ecotech, LLC | Twin Brook Capital Partners, LLC, as Administrative Agent | 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
Feb 2033
Term ends Feb 23, 2033. Maintenance fees still fall due before then
Note
The 246 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.