Collateral for a security interest recorded Mar 20, 2026 (Aquarian Credit Funding LLC).
Term ends Apr 14, 2035 · High confidence
20-year base term ends Apr 14, 2035
Held by Etak Systems, LLC
Filed Jun 23, 2016 as application 15/190,450 · Granted May 16, 2017
Base term, 20 years from filing
Today
2015
2035
Clock starts
Apr 14, 2015
Apr 14, 2015
Term ends
Apr 14, 2035
Apr 14, 2035
Granted
May 16, 2017
May 16, 2017
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,669,945, US 9,764,838, to Apr 14, 2035. The term already ends on or before that date, so the cap shortened nothing.
2 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.
65
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 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 Apr 14, 2015, when application 14/685,720, the earliest non-provisional in its chain, was filed (this one was filed Jun 23, 2016) | Apr 14, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,669,945, US 9,764,838) | resolves to Apr 14, 2035, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 14, 2035 | High confidence |
This family
| US 9,596,617 | In force Apr 2035 | Apr 2035 |
| US 9,669,945 | In force Apr 2035 | Apr 2035 |
| US 9,764,838 | In force Apr 2035 | Apr 2035 |
| US 10,231,133 | In force Apr 2035 | Apr 2035 |
| US 9,704,292 | In force Apr 2035 | Apr 2035 |
| US 10,327,151 | In force Apr 2035 | Apr 2035 |
| US 9,654,984 | this patent Apr 2035 | Apr 2035 |
| US 10,384,804 | In force Apr 2035 | Apr 2035 |
8 of 65 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 |
|---|---|---|---|
| Jun 23, 2016 Reel 38994, frame 511 | Priest, Lee; Griffin, Michael | Etak Systems, LLC | Assignment of Assignor's Interest |
| Apr 22, 2021 Reel 56003, frame 641 | Etak Systems, LLC | Keybank National Association | Patent Security Agreement |
| Mar 20, 2026 Reel 75246, frame 859 | Etak Systems, LLC | Aquarian Credit Funding LLC, as Administrative Agent and Collateral Agent | Patent Security Agreement |
| Mar 24, 2026 Reel 74818, frame 664 | Keybank National Association, As Agent | Etak Systems, LLC | Release of 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
Apr 2035
Term ends Apr 14, 2035. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,669,945, US 9,764,838, ends no earlier than this term, so it caps nothing.
Citations
23
later US patents cite this one
That is top 25% of utility patents granted in 2017 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.