Openstream Inc.

10 patents currently held · Updated Nov 14, 2026

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Ending by 2030

Nov 2040

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.

1 fee due Mar 26, 2027
The maintenance fee for System and method for temporal attention behavioral analysis of multi-modal conversations in a question and answer system (US 11,769,018) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
2 fees due Sep 19 to 26, 2027 · next Sep 19

Which patents, and when each one lapses · Pro

Recent changes

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

Patents held now

Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.

Showing 1 to 10 of 10

Patent	Title	Status	Expires	Confidence
US 12,462,115	System and method for temporal attention behavioral analysis of multi-modal conversations in a question and answer system In force Term ends Nov 24, 2040 · From the USPTO record	In force	Term ends Nov 24, 2040	From the USPTO record
US 11,461,681	System and method for multi-modality soft-agent for query population and information mining In force Term ends Apr 16, 2041 · From the USPTO record	In force	Term ends Apr 16, 2041	From the USPTO record
US 12,431,141	Multimodal collaborative plan-based dialogue In force Term ends Jun 8, 2041 · From the USPTO record	In force	Term ends Jun 8, 2041	From the USPTO record
US 11,935,543	System and method for cooperative plan-based utterance-guided multimodal dialogue In force Term ends Sep 1, 2041 · From the USPTO record	In force	Term ends Sep 1, 2041	From the USPTO record
US 11,769,018	System and method for temporal attention behavioral analysis of multi-modal conversations in a question and answer system In force Term ends Feb 11, 2042 · From the USPTO record	In force	Term ends Feb 11, 2042	From the USPTO record
US 11,942,075	System and Method for Automated Digital Twin Behavior Modeling for Multimodal Conversations In force Term ends Oct 17, 2042 · High confidence	In force	Term ends Oct 17, 2042	High confidence
US 12,412,044	Methods for reinforcement document transformer for multimodal conversations and devices thereof In force Term ends Oct 20, 2043 · From the USPTO record	In force	Term ends Oct 20, 2043	From the USPTO record
US 12,118,321	Collaborative Plan-Based Dialogue System and Method In force Term ends Dec 27, 2043 · High confidence	In force	Term ends Dec 27, 2043	High confidence
US 12,548,554	System and Method for Active Learning Based Multilingual Semantic Parser In force Term ends Aug 1, 2044 · High confidence	In force	Term ends Aug 1, 2044	High confidence
US 12,664,361	System and Method of Programmer-Interpreter Approach for Large Language Model Post-Editing In force Term ends Feb 19, 2045 · High confidence	In force	Term ends Feb 19, 2045	High confidence

Sources and methods

Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand. How this record was built

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.

Export every term end as CSV · Pro

Published applications

US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.

3 pending

List them