Also listed on Sigma Additive Solutions, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Collateral for a security interest recorded Jan 30, 2025 (Rochefort Management LLC).
Term ends Dec 17, 2036 · High confidence
20-year base term ends Sep 30, 2036
Held by Divergent Technologies, Inc.
Filed Jun 29, 2020 as application 16/915,858 · Granted Jun 13, 2023
Base term plus 78 days of patent term adjustment (USPTO delay)
Today
2016
2036
Clock starts
Sep 30, 2016
Sep 30, 2016
Term ends
Dec 17, 2036
Dec 17, 2036
Granted
Jun 13, 2023
Jun 13, 2023
base term
patent term adjustment
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
78
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,207,489, to Dec 17, 2036. The term already ends on or before that date, so the cap shortened nothing.
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.
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 78 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Sep 30, 2016, when application 15/282,822, the earliest non-provisional in its chain, was filed (this one was filed Jun 29, 2020) | Sep 30, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +78 days, USPTO patent term adjustment record | Dec 17, 2036 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 10,207,489) | resolves to Dec 17, 2036, no earlier than this term, so no change | 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 | Dec 17, 2036 | High confidence |
This family
| US 10,207,489 | In force Jun 2037 | Jun 2037 |
| US 10,717,264 | In force Oct 2036 | Oct 2036 |
| US 11,674,904 | this patent Dec 2036 | Dec 2036 |
| US 12,019,026 | In force Sep 2036 | Sep 2036 |
| US 12,292,384 | In force Sep 2036 | Sep 2036 |
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 |
|---|---|---|---|
| Sep 10, 2020 Reel 53739, frame 988 | Dave, Vivek R.; Cola, Mark J.; Castro, Alberto; Wikle, Glenn; Jacquemetton, Lars; Campbell, Peter; Madigan, R. Bruce | Sigma Labs, Inc. | Assignment of Assignor's Interest |
| Mar 7, 2023 Reel 63235, frame 970 | Sigma Labs, Inc. | Sigma Additive Solutions, Inc. | Change of Name |
| Jan 24, 2024 Reel 66365, frame 316 | Sigma Labs, Inc. | Divergent Technologies, Inc. | Assignment of Assignor's Interest |
| Feb 27, 2024 Reel 66697, frame 817 | Sigma Additive Solutions, Inc. | Divergent Technologies, Inc. | Corrective Assignment to Correct the the Sigma Labs, Inc. to Divergent Technologies, Inc, Previously Recorded at Reel: 66365 Frame: 316. Assignor(S) Hereby Confirms the Assignment. |
| 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
Dec 2036
Term ends Dec 17, 2036. Maintenance fees still fall due before then
Note
The 78 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,207,489, ends no earlier than this term, so it caps nothing.
Citations
1
later US patent cites this one
That is below the median of utility patents granted in 2023 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.