Collateral for a security interest recorded Aug 15, 2025 (KKR Loan Administration Services LLC, as Collateral Gent).
Term ends Nov 15, 2039 · High confidence
20-year base term ends Dec 17, 2038
Held by Flexera Software LLC
Filed Jun 17, 2021 as application 17/415,615 · Granted Jun 18, 2024
Base term plus 333 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Dec 17, 2018
Dec 17, 2018
Term ends
Nov 15, 2039
Nov 15, 2039
Granted
Jun 18, 2024
Jun 18, 2024
base term
patent term adjustment
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
333
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 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.
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 333 days past its 20-year base term on prosecution delay. 0 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 Dec 17, 2018, when application PCT/SE2018/051326, the earliest non-provisional in its chain, was filed (this one was filed Jun 17, 2021) | Dec 17, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +333 days, USPTO patent term adjustment record | Nov 15, 2039 | 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 | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 15, 2039 | High confidence |
This family
| US 12,014,169 | this patent Nov 2039 | Nov 2039 |
| US 12,399,708 | In force Dec 2038 | Dec 2038 |
2 of 3 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 8, 2021 Reel 56793, frame 839 | Snow Software AB | Snow Software, Inc. | Assignment of Assignor's Interest |
| Nov 19, 2021 Reel 58170, frame 988 | Björkman, Peter; Lunder, Rolf Georg; Hansen, Kenneth Aas; Køhler, Lars | Snow Software, Inc. | Assignment of Assignor's Interest |
| Feb 16, 2024 Reel 66615, frame 824 | Snow Software, Inc. | Jefferies Finance LLC, as Collateral Agent | Patent Security Agreement (First Lien) |
| Feb 16, 2024 Reel 66619, frame 340 | Snow Software, Inc. | Jefferies Finance LLC, as Second Lien Collateral Agent | Patent Security Agreement (Second Lien) |
| Apr 18, 2024 Reel 67165, frame 214 | Jefferies Finance LLC | Snow Software, Inc. | Release of Second Lien Security Interest in Patents |
| Nov 22, 2024 Reel 69373, frame 957 | Snow Software US, Inc. | Flexera Software LLC | Merger |
| Aug 15, 2025 Reel 72460, frame 828 | Flexera Software LLC | KKR Loan Administration Services LLC, as Collateral Gent | Security Interest |
| Aug 22, 2025 Reel 72527, frame 879 | Jefferies Finance LLC | Snow Software, Inc. | Release of First Lien Security Interest in Patents - Reel/Frame 066615-0824 |
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.
What's changing
Nov 2039
Term ends Nov 15, 2039. Maintenance fees still fall due before then
Note
The 333 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
Fewer than half of the utility patents granted in 2024 in our data have been cited yet, so we show the count and do not rank on it.
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.