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Systems and Methods for Construction, Maintenance, and Improvement of Knowledge Representations

US 11,640,494 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 30, 2034 · High confidence

Filed Dec 28, 2020 as application 17/135,218 · Granted May 2, 2023
Base term plus 1 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2014 2034
Clock starts
Jun 30, 2014
Term ends
Jun 30, 2034
Granted
May 2, 2023
base term 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
1
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 10,878,184.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
7
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 1 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 2 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 Jun 30, 2014, when application 14/320,566, the earliest non-provisional in its chain, was filed (this one was filed Dec 28, 2020)Jun 30, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1 days, USPTO patent term adjustment recordJul 1, 2034High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,878,184)capped to Jun 30, 2034High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 30, 2034High confidence

This family

Application 14/320,566Abandoned
not computed
not computed
US 9,348,815In force
Jun 2034
Jun 2034
US 9,535,902In force
Jun 2034
Jun 2034
US 9,697,192In force
Jun 2034
Jun 2034
US 10,878,184In force
Jun 2034
Jun 2034
US 11,640,494this patent
Jun 2034
Jun 2034
US 12,026,455In force
Jun 2034
Jun 2034
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
Feb 18, 2022
Reel 59191, frame 435
Digital Reasoning Systems, Inc.Owl Rock Capital Corporation, as Collateral AgentPatent Security Agreement
Feb 23, 2022
Reel 59073, frame 233
Estes, Timothy Wayne; Michalak, Phillip Daniel; Russell, Matthew; Gardner, James JohnsonDigital Reasoning Systems, Inc.Assignment of Assignor's 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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