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Use of Low Dose IL-2 for Treating Autoimmune-Related or Inflammatory

US 11,559,566 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 9, 2032 · High confidence

Filed Jul 10, 2020 as application 16/925,983 · Granted Jan 24, 2023
Base term plus 284 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
20 years from filing
2012 2032
Clock starts
Mar 9, 2012
Term ends
Mar 9, 2032
Granted
Jan 24, 2023
base term fee events 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
284
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 10,293,028, US 10,765,723, US 9,669,071.
1 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.
6
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 284 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 1 of 2 maintenance fees is 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 9, 2012, when application PCT/EP2012/054174, the earliest non-provisional in its chain, was filed (this one was filed Jul 10, 2020)Mar 9, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+284 days, USPTO patent term adjustment recordDec 18, 2032High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,293,028, US 10,765,723, US 9,669,071)capped to Mar 9, 2032High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 9, 2032High confidence

This family

US 9,669,071In force
Jun 2032
Jun 2032
US 10,293,028In force
May 2032
May 2032
US 10,765,723In force
Mar 2032
Mar 2032
US 11,559,566this patent
Mar 2032
Mar 2032
US 12,491,232In force
Mar 2032
Mar 2032
5 of 6 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
Dec 13, 2022
Reel 63481, frame 269
Klatzmann, David; Saadoun, David; Cacoub, Patrice; Rosenzwajg, Michèle; Piaggio, Eliane; Bensimon, Gilbert; Bernard, ClaudeInserm (Institut National de la Santé et de la Recherche Médicale); Assistance Publique - Hopitaux de Paris; Universite Pierre et Marie Curie (Paris 6)Assignment of Assignor's Interest
Dec 13, 2022
Reel 63775, frame 500
Universite Pierre et Marie Curie (Paris 6); Sorbonne UniversitéSorbonne UniversitéMerger and Change of Name
Dec 13, 2022
reel/frame not recorded
Bernard, Claude; Cacoub, Patrice; Saadoun, David; Rosenzwajg, Michèle; Klatzmann, David; Bensimon, Gilbert; Piaggio, ElianeInserm (Institut National de la Santé et de la Recherche Médicale)Assignment of Assignor's Interest
Dec 13, 2022
reel/frame not recorded
Bernard, Claude; Cacoub, Patrice; Saadoun, David; Rosenzwajg, Michèle; Klatzmann, David; Bensimon, Gilbert; Piaggio, ElianeAssistance Publique - Hopitaux de ParisAssignment of Assignor's Interest
Dec 13, 2022
reel/frame not recorded
Bernard, Claude; Cacoub, Patrice; Saadoun, David; Rosenzwajg, Michèle; Klatzmann, David; Bensimon, Gilbert; Piaggio, ElianeUniversite Pierre et Marie Curie (Paris 6)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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