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US

Engineered ANTI-IL-2 Antibodies

US 12,275,784 In force
OverviewFamilyAssignmentsSources & methods

Term ends Feb 15, 2041 · High confidence

Filed Oct 23, 2023 as application 18/492,028 · Granted Apr 15, 2025
Base term, 20 years from filing
Today
20 years from filing
2021 2041
Clock starts
Feb 15, 2021
Term ends
Feb 15, 2041
Granted
Apr 15, 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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,851,485, to Feb 15, 2041. The term already ends on or before that date, so the cap shortened nothing.
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.
5
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 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 15, 2021, when application PCT/IB2021/051267, the earliest non-provisional in its chain, was filed (this one was filed Oct 23, 2023)Feb 15, 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 11,851,485)resolves to Feb 15, 2041, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 15, 2041High confidence

This family

US 12,312,400In force
Jun 2041
Jun 2041
US 11,851,485In force
Feb 2041
Feb 2041
US 12,275,784this patent
Feb 2041
Feb 2041
Application 19/075,047Pending
not computed
not computed
4 of 5 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
Mar 5, 2024
Reel 66652, frame 302
Amit, Inbar; Levin, Itay; Nimrod, Guy; Fischman, Sharon; Fuchs, Reut Barak; Strajbl, Marek; Yermolaev, Olga Bluvshtein; Sasson, Yehezkel; Grossman, Noam; Levitin, Natalia; Ofran, Yanay; Wyant, Timothy; Zhenin, MichaelAulos Bioscience, Inc.Assignment of Assignor's Interest
Jan 21, 2026
Reel 73535, frame 527
Amit, Inbar; Levin, Itay; Nimrod, Guy; Fischman, Sharon; Barak Fuchs, Reut; Strajbl, Marek; Wyant, Timothy; Zhenin, Michael; Bluvshtein Yermolaev, Olga; Sasson, Yehezkel; Grossman, Noam; Levitin, Natalia; Ofran, YanayBiolojic Design Ltd.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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