Collateral for a security interest recorded Jan 12, 2026 (Encina Private Credit SPV 2, LLC).
Term ends Nov 19, 2026 · High confidence
20-year base term ended Sep 27, 2026
Held by Daramic, LLC
Filed Dec 23, 2016 as application 15/389,938 · Granted Jul 23, 2019
Base term plus 53 days of patent term adjustment (USPTO delay)
Today
2006
2026
Clock starts
Sep 27, 2006
Sep 27, 2006
Term ends
Nov 19, 2026
Nov 19, 2026
Granted
Jul 23, 2019
Jul 23, 2019
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
53
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,564,623, to Nov 19, 2026. The term already ends on or before that date, so the cap shortened nothing.
1 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.
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 53 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 1 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 Sep 27, 2006, when application 11/535,701, the earliest non-provisional in its chain, was filed (this one was filed Dec 23, 2016) | Sep 27, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +53 days, USPTO patent term adjustment record | Nov 19, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,564,623) | resolves to Nov 19, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 1 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 19, 2026 | High confidence |
This family
| US 9,564,623 | Lapsed on the fee record Feb 2025 | Feb 2025 |
| US 10,361,416 | this patent Nov 2026 | Nov 2026 |
| US 11,450,924 | Lapsed on the fee record Sep 2026 | Sep 2026 |
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 |
|---|---|---|---|
| Mar 20, 2019 Reel 48648, frame 344 | Miller, Eric H.; Timmons, John Randolph; Whear, John Kevin | Daramic, LLC | Assignment of Assignor's Interest |
| Jan 12, 2026 Reel 74315, frame 795 | Daramic, LLC | Encina Private Credit SPV 2, LLC, as Collateral Agent | Short-Form Patents Security Agreement |
| Apr 22, 2026 Reel 75435, frame 811 | Encina Private Credit SPV 2, LLC, as Resigning Agent | Acf Finco I LP, as Successor Agent | Assignment of Security Interests in Patent Collateral |
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
Nov 2026
Term ends Nov 19, 2026. No further fees fall due before then
Note
The 53 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,564,623, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2019 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.