Collateral for a security interest recorded Jun 2, 2021 (Prospect Capital Corporation).
Term ends Jun 20, 2032 · High confidence
20-year base term ends Jun 20, 2032
Held by Enseo, LLC
Filed Jul 9, 2019 as application 16/506,263 · Granted Sep 29, 2020
Base term, 20 years from filing
Today
2012
2032
Clock starts
Jun 20, 2012
Jun 20, 2012
Term ends
Jun 20, 2032
Jun 20, 2032
Granted
Sep 29, 2020
Sep 29, 2020
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 10,136,176, US 10,148,998, US 10,149,005, US 10,187,685, US 10,225,615, US 10,349,109, US 10,349,110, US 10,448,092, US 8,650,600, US 8,875,195, US 9,154,825, US 9,326,020, US 9,351,029, US 9,380,336, US 9,525,909, US 9,736,532, US 9,832,511, US 9,955,211, to Jun 20, 2032. The term already ends on or before that date, so the cap shortened nothing.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
37
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. 1 of 2 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 Jun 20, 2012, when application 13/528,663, the earliest non-provisional in its chain, was filed (this one was filed Jul 9, 2019) | Jun 20, 2032 | 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 10,136,176, US 10,148,998, US 10,149,005, US 10,187,685, US 10,225,615, US 10,349,109, US 10,349,110, US 10,448,092, US 8,650,600, US 8,875,195, US 9,154,825, US 9,326,020, US 9,351,029, US 9,380,336, US 9,525,909, US 9,736,532, US 9,832,511, US 9,955,211) | resolves to Jun 20, 2032, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 20, 2032 | High confidence |
This family
| US 8,650,600 | Lapsed on the fee record Feb 2026 | Feb 2026 |
| US 8,875,195 | Grace period ended Jun 2032 | Jun 2032 |
| US 9,154,825 | In force Jun 2032 | Jun 2032 |
| US 9,351,029 | In force Jun 2032 | Jun 2032 |
| US 9,326,020 | In force Jun 2032 | Jun 2032 |
| US 9,380,336 | In force Jun 2032 | Jun 2032 |
| US 9,955,211 | Lapsed on the fee record Apr 2026 | Apr 2026 |
| Application 15/162,823 | Abandoned not computed | not computed |
8 of 37 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 |
|---|---|---|---|
| Jul 9, 2019 Reel 49701, frame 386 | Fang, Bill; Ogle, Vanessa | Enseo, Inc. | Assignment of Assignor's Interest |
| Jan 27, 2021 Reel 55139, frame 530 | Enseo, Inc. | Enseo, LLC | Change of Name |
| Jun 2, 2021 Reel 56462, frame 174 | Enseo, LLC; Catapult Technologies, LLC | Prospect Capital Corporation | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Jun 2032
Term ends Jun 20, 2032. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,136,176, US 10,148,998, US 10,149,005, US 10,187,685, US 10,225,615, US 10,349,109, US 10,349,110, US 10,448,092, US 8,650,600, US 8,875,195, US 9,154,825, US 9,326,020, US 9,351,029, US 9,380,336, US 9,525,909, US 9,736,532, US 9,832,511, US 9,955,211, ends no earlier than this term, so it caps nothing.
Citations
32
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.