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US

Inhibition of Crystal Growth of Roflumilast

US 9,907,788 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Dec 22, 2021 (SLR Investment Corp.).

Term ends Jun 7, 2037 · High confidence

Filed Aug 14, 2017 as application 15/676,373 · Granted Mar 6, 2018
Base term, 20 years from filing
Today
20 years from filing
2017 2037
Clock starts
Jun 7, 2017
Term ends
Jun 7, 2037
Granted
Mar 6, 2018
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.
44
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 7, 2017, when application 15/616,409, the earliest non-provisional in its chain, was filed (this one was filed Aug 14, 2017)Jun 7, 2037High 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 7, 2037High confidence

This family

US 9,895,359In force
Jun 2037
Jun 2037
US 9,907,788this patent
Jun 2037
Jun 2037
US 9,884,050In force
Jun 2037
Jun 2037
US 11,534,493In force
Jun 2037
Jun 2037
US 10,172,841In force
Jun 2037
Jun 2037
US 10,105,354In force
Jun 2037
Jun 2037
US 10,940,142In force
Jun 2037
Jun 2037
Application 62/768,314Provisional application
no patent term
no patent term
8 of 44 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
Aug 31, 2021
Reel 57394, frame 812
Arcutis, Inc.Arcutis Biotherapeutics, Inc.Change of Name
Dec 22, 2021
Reel 58463, frame 187
Arcutis Biotherapeutics, Inc.SLR Investment Corp., as AgentSecurity Interest
Jul 3, 2024
Reel 68122, frame 61
Osborne, David W.Arcutis, 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.

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