The Patent Finder
US

Methods for Treating IL-6 Mediated Inflammation Without Immunosuppression

US 11,384,143 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Corvidia Therapeutics, Inc., an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Jan 4, 2039 · High confidence

Filed Apr 26, 2019 as application 16/396,378 · Granted Jul 12, 2022
Base term, 20 years from filing
Today
20 years from filing
2019 2039
Clock starts
Jan 4, 2019
Term ends
Jan 4, 2039
Granted
Jul 12, 2022
base term fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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.
1 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. 1 of 3 maintenance fees is 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 Jan 4, 2019, when application 16/240,670, the earliest non-provisional in its chain, was filed (this one was filed Apr 26, 2019)Jan 4, 2039High 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 events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 4, 2039High confidence

This family

Application 16/240,670Abandoned
not computed
not computed
US 11,384,143this patent
Jan 2039
Jan 2039
Application 17/708,660Pending
not computed
not computed
Application 17/991,880Pending
not computed
not computed
Application 19/650,529Pending
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
Jul 29, 2019
Reel 49894, frame 18
Devalaraja, Madhav N.; Davidson, Michael H.; Kakkar, RahulCorvidia Therapeutics, Inc.Assignment of Assignor's Interest
Jan 20, 2021
Reel 54965, frame 550
Corvidia Therapeutics, Inc.Novo Nordisk A/SAssignment 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 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited