Collateral for a security interest recorded Feb 2, 2023 (Owl Rock Core Income Corp.).
Term ends Feb 24, 2037 · High confidence
20-year base term ends Feb 24, 2037
Held by KNOWBE4, Inc.
Filed Feb 7, 2018 as application 15/891,158 · Granted Nov 5, 2019
Base term, 20 years from filing
Today
2017
2037
Clock starts
Feb 24, 2017
Feb 24, 2017
Term ends
Feb 24, 2037
Feb 24, 2037
Granted
Nov 5, 2019
Nov 5, 2019
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 9,894,092, to Feb 24, 2037. The term already ends on or before that date, so the cap shortened nothing.
1 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.
4
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 3 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 Feb 24, 2017, when application 15/442,215, the earliest non-provisional in its chain, was filed (this one was filed Feb 7, 2018) | Feb 24, 2037 | 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 9,894,092) | resolves to Feb 24, 2037, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 24, 2037 | High confidence |
This family
| US 9,894,092 | In force Feb 2037 | Feb 2037 |
| US 10,469,519 | this patent Feb 2037 | Feb 2037 |
| US 10,855,716 | In force Feb 2037 | Feb 2037 |
| US 11,777,977 | In force Feb 2037 | Feb 2037 |
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 |
|---|---|---|---|
| Feb 7, 2018 Reel 44859, frame 894 | Irimie, Alin; Bartlett, Wendy; Austin, David | KNOWBE4, Inc. | Assignment of Assignor's Interest |
| Mar 12, 2021 Reel 56885, frame 889 | KNOWBE4, Inc. | Bank of America, N.A., as Administrative Agent | Notice of Grant of Security Interest in Patents |
| Feb 2, 2023 Reel 62625, frame 841 | Bank of America, N.A., as Administrative Agent | KNOWBE4, Inc. | Termination and Release of Security Interest in Patents Recorded at Reel/Frame No.: 056885/0889 |
| Feb 2, 2023 Reel 62627, frame 1 | KNOWBE4, Inc. | Owl Rock Core Income Corp., as Collateral Agent | Patent Security Agreement |
| Jul 28, 2025 Reel 72108, frame 205 | Blue Owl Credit Income Corp. (Formerly Known as Owl Rock Core Income Corp.) | KNOWBE4, Inc. | Release of Security Interest in Patent Collateral Recorded at Reel/Frame: 062627/0001 |
| Aug 8, 2025 Reel 72337, frame 277 | KNOWBE4, Inc. | JPMorgan Chase Bank, N.A., as Collateral Agent | Patent Security Agreement |
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 2037
Term ends Feb 24, 2037. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,894,092, ends no earlier than this term, so it caps nothing.
Citations
17
later US patents cite this one
That is top 25% 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.