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Device Securing Communications Using Two Post-Quantum Cryptography Key Encapsulation Mechanisms

US 11,722,296 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 22, 2038 · High confidence

Filed Oct 15, 2021 as application 17/502,720 · Granted Aug 8, 2023
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
20 years from filing
2021 2041
Clock starts
Feb 3, 2021
Term ends
Jun 22, 2038
Granted
Aug 8, 2023
base term after the term ends 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
None
Term adjustment
No prosecution delay on this record.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 11,150,080, US 11,153,080.
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.
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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.
StepInputDate after this stepConfidence
Base term, 20 years from filingClock starts Feb 3, 2021, when application 17/166,157, the earliest non-provisional in its chain, was filed (this one was filed Oct 15, 2021)Feb 3, 2041High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,150,080, US 11,153,080)capped to Jun 22, 2038High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 22, 2038High confidence

This family

US 11,153,080In force
Feb 2041
Feb 2041
US 11,722,296this patent
Jun 2038
Jun 2038
US 12,088,706In force
Jun 2038
Jun 2038
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
Apr 1, 2026
Reel 74245, frame 975
Nix, John A., JR.Adeia Emerging Technologies 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.

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