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Systems and Methods for Radio Frequency Calibration Exploiting Channel Reciprocity in Distributed Input Distributed Output Wireless Communications

US 12,237,888 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 15, 2033 · High confidence

Held by Rearden, LLC
Filed Jul 22, 2024 as application 18/779,453 · Granted Feb 25, 2025
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Mar 15, 2013
Term ends
Mar 15, 2033
Granted
Feb 25, 2025
base term 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,547,358, US 11,146,313, US 11,581,924, US 12,166,546, US 12,224,819, to Mar 15, 2033. The term already ends on or before that date, so the cap shortened nothing.
0 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.
13
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 is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 of 2 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 Mar 15, 2013, when application 13/844,355, the earliest non-provisional in its chain, was filed (this one was filed Jul 22, 2024)Mar 15, 2033High 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 10,547,358, US 11,146,313, US 11,581,924, US 12,166,546, US 12,224,819)resolves to Mar 15, 2033, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 15, 2033High confidence

This family

US 10,547,358In force
Mar 2033
Mar 2033
Application PCT/US2014/025105PCT application
no patent term
no patent term
US 11,146,313In force
Mar 2033
Mar 2033
US 11,581,924In force
Mar 2033
Mar 2033
US 12,166,546In force
Mar 2033
Mar 2033
US 12,224,819In force
Mar 2033
Mar 2033
US 12,237,888this patent
Mar 2033
Mar 2033
US 12,244,369In force
Mar 2033
Mar 2033
8 of 13 applications in this family shown, earliest filings first. 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
Jul 22, 2024
Reel 68045, frame 37
Forenza, Antonio; Saibi, Fadi; Pitman, Timothy A.; Perlman, Stephen G.Rearden, LLCAssignment 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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