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US

Mutant Fragments of Ospa and Methods and Uses Relating Thereto

US 11,208,439 In force
OverviewFamilyAssignmentsSources & methods

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

Collateral for a security interest recorded Oct 20, 2025 (Biopharma Credit PLC).

Term ends Mar 14, 2033 · High confidence

Filed Feb 27, 2018 as application 15/906,618 · Granted Dec 28, 2021
Base term, 20 years from filing
Today
20 years from filing
2013 2033
Clock starts
Mar 14, 2013
Term ends
Mar 14, 2033
Granted
Dec 28, 2021
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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,766,931, US 8,986,704, US 9,975,927, to Mar 14, 2033. The term already ends on or before that date, so the cap shortened nothing.
1 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
10
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 2 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 Mar 14, 2013, when application 13/802,991, the earliest non-provisional in its chain, was filed (this one was filed Feb 27, 2018)Mar 14, 2033High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 10,766,931, US 8,986,704, US 9,975,927)resolves to Mar 14, 2033, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 14, 2033High confidence

This family

US 8,986,704In force
Mar 2033
Mar 2033
Application 14/412,722Abandoned
not computed
not computed
Application 14/623,681Abandoned
not computed
not computed
US 9,926,343In force
Mar 2033
Mar 2033
US 10,544,194In force
Mar 2033
Mar 2033
US 11,208,439this patent
Mar 2033
Mar 2033
US 11,466,058In force
Mar 2033
Mar 2033
US 12,195,501In force
Mar 2033
Mar 2033
8 of 10 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
Jun 26, 2018
Reel 46203, frame 46
Comstedt, Pär; Hanner, Markus; Lundberg, Urban; Meinke, Andreas; Schüler, Wolfgang; Wizel, BenjaminValneva Austria GmbHAssignment of Assignor's Interest
Mar 4, 2020
Reel 52016, frame 745
Valneva SE; Valneva USA, Inc.; Valneva Austria GmbHWilmington Trust, National AssociationSecurity Interest
Mar 23, 2020
Reel 52196, frame 426
Comstedt, Pär; Hanner, Markus; Lundberg, Urban; Meinke, Andreas; Schueler, Wolfgang; Wizel, BenjaminIntercell AGAssignment of Assignor's Interest
Mar 23, 2020
Reel 52196, frame 693
Intercell Austria AGValneva Austria GmbHChange of Name
Mar 23, 2020
Reel 52205, frame 352
Intercell AGIntercell Austria AGAsset Transfer Agreement
Oct 20, 2025
Reel 73164, frame 32
Valneva Austria GmbH; Valneva SE; Valneva Sweden ABBiopharma Credit PLC, as Collateral AgentPatent Security Agreement
Nov 10, 2025
Reel 73516, frame 522
Wilmington Trust, National Association, as Administrative AgentValneva Austria GmbH; Valneva SE; Valneva USA, Inc.Release of Security Interest
Nov 10, 2025
reel/frame not recorded
Wilmington Trust, National Association, as Administrative AgentValneva Austria GmbHRelease of Security Interest
Nov 10, 2025
reel/frame not recorded
Wilmington Trust, National Association, as Administrative AgentValneva SERelease of Security Interest
Nov 10, 2025
reel/frame not recorded
Wilmington Trust, National Association, as Administrative AgentValneva USA, Inc.Release of Security Interest
Mar 31, 2026
Reel 75335, frame 609
Valneva Austria GmbH; Valneva SE; Valneva Sweden ABBiopharma Credit PLC, as Collateral AgentAmended and Restated Patent Security Agreement
Jun 4, 2026
Reel 75803, frame 558
Valneva Austria GmbH; Valneva SE; Valneva Sweden ABBiopharma Credit PLC, as Collateral AgentAmended and Restated Patent Security Agreement

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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