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US

Purification of Actinium

US 12,503,748 In force
OverviewFamilyAssignmentsSources & methods

Term ends Feb 22, 2043 · High confidence

Held by SCK.Cen
Filed Jul 14, 2021 as application 17/422,968 · Granted Dec 23, 2025
Base term plus 1134 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2020 2043
Clock starts
Jan 15, 2020
Term ends
Feb 22, 2043
Granted
Dec 23, 2025
base term patent term adjustment 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
1,134
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
2
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 1134 days past its 20-year base term on prosecution delay. 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 Jan 15, 2020, when application PCT/EP2020/050879, the earliest non-provisional in its chain, was filed (this one was filed Jul 14, 2021)Jan 15, 2040High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+1134 days, USPTO patent term adjustment recordFeb 22, 2043High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 22, 2043High confidence

This family

US 12,503,748this patent
Feb 2043
Feb 2043
1 of 2 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 14, 2021
Reel 56854, frame 187
Maertens, Dominic; Van Hecke, Karen; Cardinaels, ThomasSCK.CenAssignment 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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