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US

Selective Serotonin Receptor Modulators and Methods of Making and Using the Same

US 12,564,560 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Kuleon LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Apr 1, 2045 · Medium confidence

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

Filed Apr 2, 2025 as application 19/098,294 · Granted Mar 3, 2026
Base term, 20 years from filing
Today
20 years from filing
2025 2045
Clock starts
Apr 1, 2025
Term ends
Apr 1, 2045
Granted
Mar 3, 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 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.
9
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 Apr 1, 2025, when application PCT/US2025/022435, the earliest non-provisional in its chain, was filed (this one was filed Apr 2, 2025); a parent in its chain could not be resolved (the next row)Apr 1, 2045High 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 orderApr 1, 2045Medium confidence

This family

Application PCT/US2025/022435PCT application
no patent term
no patent term
US 12,564,560this patent
Apr 2045
Apr 2045
US 12,570,602In force
Apr 2045
Apr 2045
Application 19/453,321Pending
not computed
not computed
Application 19/456,123Pending
not computed
not computed
Application 19/529,419Pending
not computed
not computed
Application PCT/US2026/018754PCT application
no patent term
no patent term
Application 19/644,875Pending
not computed
not computed
8 of 9 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
May 1, 2025
Reel 70994, frame 822
Forest, JeremyKuleon LLCAssignment of Assignor's Interest
Jun 13, 2025
Reel 71406, frame 104
Kuleon LLCPark City Bio, LLCAssignment 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited