Collateral for a security interest recorded Feb 8, 2021 (Wilmington Trust, National Association).
Term ends Oct 24, 2039 · High confidence
20-year base term ends Oct 24, 2039
Held by Kldiscovery Ontrack, LLC
Filed Oct 24, 2019 as application 16/662,483 · Granted Nov 16, 2021
Base term, 20 years from filing
Today
2019
2039
Clock starts
Oct 24, 2019
Oct 24, 2019
Term ends
Oct 24, 2039
Oct 24, 2039
Granted
Nov 16, 2021
Nov 16, 2021
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
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.
This patent's term is its 20-year base term, with no adjustment for prosecution delay. 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 Oct 24, 2019, when this application, 16/662,483, was filed | Oct 24, 2039 | 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 | None on record | no cap applied | 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 | Oct 24, 2039 | High confidence |
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 |
|---|---|---|---|
| Oct 24, 2019 Reel 50815, frame 64 | Balthaser, Daniel; Levengood, Shane | Kldiscovery Ontrack, LLC | Assignment of Assignor's Interest |
| Feb 8, 2021 Reel 55183, frame 853 | Ldiscovery, LLC; Ldiscovery TX, LLC; KL Discovery Ontrack, LLC (F/K/A Kroll Ontrack, LLC) | Wilmington Trust, National Association, as Collateral Agent | Security Interest |
| Aug 15, 2024 Reel 68294, frame 1 | Kldiscovery Ontrack, LLC | MGG Investment Group LP, as Collateral 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.
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Alerts on its grants, lapses and transfers.
What's changing
Oct 2039
Term ends Oct 24, 2039. Maintenance fees still fall due before then
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2021 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.