Collateral for a security interest recorded Jan 30, 2025 (Rochefort Management LLC).
Term ends May 11, 2036 · High confidence
20-year base term ends Aug 21, 2035
Held by Divergent Technologies, Inc.
Filed Aug 21, 2015 as application 14/832,691 · Granted Jun 19, 2018
Base term plus 264 days of patent term adjustment (USPTO delay)
Today
2015
2036
Clock starts
Aug 21, 2015
Aug 21, 2015
Term ends
May 11, 2036
May 11, 2036
Granted
Jun 19, 2018
Jun 19, 2018
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
264
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
5
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 264 days past its 20-year base term on prosecution delay. 2 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 Aug 21, 2015, when this application, 14/832,691, was filed | Aug 21, 2035 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +264 days, USPTO patent term adjustment record | May 11, 2036 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | May 11, 2036 | High confidence |
This family
| US 9,999,924 | this patent May 2036 | May 2036 |
| US 11,135,654 | In force Aug 2035 | Aug 2035 |
| US 11,607,875 | In force Aug 2035 | Aug 2035 |
| US 11,858,207 | In force Aug 2035 | Aug 2035 |
| US 12,172,371 | In force Aug 2035 | Aug 2035 |
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 |
|---|---|---|---|
| Oct 21, 2016 Reel 40085, frame 631 | Sigma Labs, Inc. | L1 Capital Global Opportunities Master Fund Ltd. as Collateral Agent | Security Interest |
| May 4, 2018 Reel 45714, frame 930 | Dave, Vivek R.; Madigan, R. Bruce; Cola, Mark J.; Piltch, Martin S. | Sigma Labs, Inc. | Assignment of Assignor's Interest |
| Aug 31, 2023 Reel 64769, frame 294 | L1 Capital Global Opportunities Master Fund Ltd. | Sigma Labs, Inc. | Release of Security Interest |
| Jan 24, 2024 Reel 66365, frame 316 | Sigma Labs, Inc. | Divergent Technologies, Inc. | Assignment of Assignor's Interest |
| May 30, 2024 Reel 67569, frame 171 | Divergent Technologies, Inc. | Western Alliance Bank | Security Interest |
| Jan 29, 2025 Reel 70048, frame 543 | Western Alliance Bank | Divergent Technologies, Inc. | Release of Security Interest |
| Jan 30, 2025 Reel 70074, frame 290 | Divergent Technologies, Inc.; CZV, Inc. | Rochefort Management LLC | Security Interest |
| Sep 3, 2025 Reel 73006, frame 590 | Rochefort Management LLC | Acquiom Agency Services LLC | 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.
What's changing
May 2036
Term ends May 11, 2036. Maintenance fees still fall due before then
Note
The 264 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
124
later US patents cite this one
That is top 5% of utility patents granted in 2018 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.