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US

Prosthetic Heart Valves

US 12,279,953 In force
OverviewFamilyAssignmentsSources & methods

Term ends May 18, 2042 · Medium confidence

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

Filed Jul 10, 2024 as application 18/768,710 · Granted Apr 22, 2025
Base term, 20 years from filing
Today
20 years from filing
2022 2042
Clock starts
May 18, 2022
Term ends
May 18, 2042
Granted
Apr 22, 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.
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.
7
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 3 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 May 18, 2022, when application 17/747,507, the earliest non-provisional in its chain, was filed (this one was filed Jul 10, 2024); a parent in its chain could not be resolved (the next row)May 18, 2042High 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 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 18, 2042Medium confidence

This family

US 11,510,777In force
May 2042
May 2042
US 11,672,655In force
May 2042
May 2042
Application PCT/US2023/012615PCT application
no patent term
no patent term
US 11,918,463In force
May 2042
May 2042
US 12,059,346In force
May 2042
May 2042
US 12,279,953this patent
May 2042
May 2042
Application 19/184,048Pending
not computed
not computed
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
Aug 19, 2024
Reel 68330, frame 642
Iyer, Ramji; Schneider, Lucas Tradd; Askegaard, Gunnar PaulLaplace Interventional 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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