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Natural Language Question Answering Systems

US 11,157,564 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Mar 7, 2025 (Triplepoint Capital LLC).

Term ends Sep 30, 2039 · High confidence

Filed Jan 30, 2019 as application 16/262,796 · Granted Oct 26, 2021
Base term plus 243 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2019 2039
Clock starts
Jan 30, 2019
Term ends
Sep 30, 2039
Granted
Oct 26, 2021
base term patent term adjustment fee events 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
243
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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 243 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Jan 30, 2019, when this application, 16/262,796, was filedJan 30, 2039High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+243 days, USPTO patent term adjustment recordSep 30, 2039High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 30, 2039High confidence

This family

US 11,157,564this patent
Sep 2039
Sep 2039
US 11,790,006In force
Jan 2039
Jan 2039
US 12,189,691In force
no later than Jan 2039
no later than Jan 2039
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.
RecordedAssignorAssigneeConveyance
Mar 13, 2019
Reel 48586, frame 517
Prakash, Amit; Tandon, Ravi; Balakavi, Manikanta; Piratla, Pavan Ram; Shubham, Ashish; Canada, Alonzo; Kothari, Rakesh; Apte, Maneesh; Singhal, Amitabh; Viswanathan, Aditya; Singh, AjeetThoughtspot, Inc.Assignment of Assignor's Interest
Mar 7, 2025
Reel 70442, frame 499
Thoughtspot, Inc.; Thoughtspot, LLCTriplepoint Capital LLCSecurity 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.

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