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Sigma Additive Solutions, Inc.

First filing 2020
OverviewNotableFeesChangesPatent listSources & methods

0 patents currently held, every record listed here

8 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

This portfolio holds none of the 8 US patents in force on its record. from the record

Of the 8 now held by other companies, 8 name Divergent Technologies Inc. as their current owner. Each row says so.

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end

When these terms end

Each bar runs from grant to computed term end. 2023 to 2038.
US 11,692,876 Optical Manufacturing Process Sensing and Status Indication System Mar 25, 2035
US 12,172,371 Defect Detection for Additive Manufacturing Systems Aug 21, 2035
US 11,607,875 Method and System for Monitoring Additive Manufacturing Processes Aug 21, 2035
US 11,858,207 Defect Detection for Additive Manufacturing Systems Aug 21, 2035
US 11,931,956 Multi-Sensor Quality Inference and Control for Additive Manufacturing Processes Nov 18, 2035
US 12,019,026 Systems and Methods for Additive Manufacturing Operations Sep 30, 2036
US 11,674,904 Systems and Methods for Additive Manufacturing Operations Dec 17, 2036
US 12,151,316 Methods and Systems for Quality Inference and Control for Additive Manufacturing Processes Nov 6, 2038
20262029203220352038
1 pending application: term is not computable until grant.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

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
None of the currently held patents qualifies as notable.

Formerly held, still cited

Notable
A family of 5 related applications built on the 2023 grant. Protection runs to 2035.
Ends Aug 2035 · High confidence
Also notable
Granted 2023. Computed term ends 2036. A terminal disclaimer caps this term to an earlier patent's.
Ends Dec 2036 · High confidence
Also notable
A family of 5 related applications built on the 2023 grant. Protection runs to 2035. A terminal disclaimer caps this term to an earlier patent's.
Ends Mar 2035 · High confidence

Fee deadlines

No maintenance fee falls due on this company's record before Nov 10, 2027.

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

Patents held now

Soonest term end first.
Also on record: 8 patents in force now held by others · 1 application pending. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited