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US

Systems and Methods for Radio Frequency Power Systems

US 12,381,523 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 22, 2040 · High confidence

Held by Epirus, Inc.
Filed Jun 29, 2022 as application 17/853,782 · Granted Aug 5, 2025
Base term plus 543 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2020 2040
Clock starts
Jun 22, 2020
Term ends
Jun 22, 2040
Granted
Aug 5, 2025
base term 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
543
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 11,616,481, US 12,068,618.
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.
10
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 543 days past its 20-year base term on 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 Jun 22, 2020, when application 16/908,476, the earliest non-provisional in its chain, was filed (this one was filed Jun 29, 2022)Jun 22, 2040High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+543 days, USPTO patent term adjustment recordDec 17, 2041High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,616,481, US 12,068,618)capped to Jun 22, 2040High 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, 2040High confidence

This family

US 11,469,722In force
Dec 2040
Dec 2040
Application PCT/US2021/038529PCT application
no patent term
no patent term
US 12,003,223In force
Dec 2041
Dec 2041
US 12,068,618In force
Oct 2042
Oct 2042
US 11,616,481In force
Jun 2040
Jun 2040
US 12,381,523this patent
Jun 2040
Jun 2040
US 12,355,408In force
Jun 2040
Jun 2040
Application 18/774,661Pending
not computed
not computed
8 of 10 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
Jan 13, 2023
Reel 62376, frame 935
Scott, Alexander Paul; Borisov, Michael Alex; Bilodeau, Maxwell Anthony; Shin, Joseph; Montemuro, Albert Thomas, III; Kultran, Denpol; Bassano, Bradley Travis; Marr, Harry Bourne, JR.Epirus, 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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