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Whole Cell Assays and Methods

US 9,404,915 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 12, 2032 · High confidence

Filed Jan 6, 2015 as application 14/590,731 · Granted Aug 2, 2016
Base term, 20 years from filing
Today
20 years from filing
2012 2032
Clock starts
Jun 12, 2012
Term ends
Jun 12, 2032
Granted
Aug 2, 2016
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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. 2 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 Jun 12, 2012, when application 13/494,618, the earliest non-provisional in its chain, was filed (this one was filed Jan 6, 2015)Jun 12, 2032High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJun 12, 2032High confidence

This family

Application 13/494,618Abandoned
not computed
not computed
US 9,404,915this patent
Jun 2032
Jun 2032
US 10,041,934In force
Jun 2032
Jun 2032
US 10,976,307In force
Jun 2032
Jun 2032
Application 17/193,891Abandoned
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
Jan 8, 2015
Reel 34661, frame 290
Laing, Lance Gavin; Sullivan, Brian FrancisCelcuity LLCAssignment of Assignor's Interest
Oct 26, 2018
Reel 47353, frame 985
Celcuity LLCCelcuity Inc.Change of Name
Apr 8, 2021
Reel 55867, frame 237
Celcuity, Inc.Innovatus Life Sciences Lending Fund I, LPSecurity Interest
May 30, 2024
Reel 67572, frame 1
Celcuity, Inc.Innovatus Life Sciences Lending Fund I, LP, as Collateral AgentAmended and Restated Intellectual Property Security Agreement
Sep 9, 2025
Reel 72886, frame 984
Celcuity Inc.Oxford Finance LLC, as Collateral AgentSecond Amended and Restated Intellectual Property Security Agreement
Jun 8, 2026
Reel 74883, frame 538
Innovatus Life Sciences Lending Fund I, LPCelcuity Inc.Release of Security Interest
Jun 8, 2026
Reel 74883, frame 775
Oxford Finance LLCCelcuity Inc.Release of Security 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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