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Apparatus and Methods for Treating Excess Intraocular Fluid

US 12,589,030 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 12, 2032 · Medium confidence

Why Medium: A parent in the chain could not be resolved.

Filed Jul 26, 2023 as application 18/359,838 · Granted Mar 31, 2026
Base term, 20 years from filing
Today
20 years from filing
2012 2032
Clock starts
Jan 12, 2012
Term ends
Jan 12, 2032
Granted
Mar 31, 2026
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.
None
Terminal disclaimer
No disclaimer on this record.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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. 0 of 1 maintenance fees are paid so far. Confidence: Medium. 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 12, 2012, when application 13/349,353, the earliest non-provisional in its chain, was filed (this one was filed Jul 26, 2023); a parent in its chain could not be resolved (the next row)Jan 12, 2032High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 1 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 12, 2032Medium confidence

This family

US 9,101,445In force
Nov 2033
Nov 2033
US 9,655,779In force
Jan 2032
Jan 2032
US 10,603,214In force
Jan 2032
Jan 2032
US 11,712,371In force
Nov 2033
Nov 2033
US 12,589,030this patent
Jan 2032
Jan 2032
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
Sep 4, 2025
Reel 72162, frame 587
Bigler, Stephane; Stergiopulos, NikolaosEcole Polytechnique Federale de Lausanne (EPFL)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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