The Patent Finder
US

Mutant Fragments of Ospa and Methods and Uses Relating Thereto

US 9,975,927 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Oct 20, 2025 (Biopharma Credit PLC).

Term ends Jan 9, 2035 · High confidence

Filed Jul 7, 2016 as application 15/110,151 · Granted May 22, 2018
Base term, 20 years from filing
Today
20 years from filing
2015 2035
Clock starts
Jan 9, 2015
Term ends
Jan 9, 2035
Granted
May 22, 2018
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.
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.
6
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 Jan 9, 2015, when application PCT/EP2015/050365, the earliest non-provisional in its chain, was filed (this one was filed Jul 7, 2016)Jan 9, 2035High 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 orderJan 9, 2035High confidence

This family

US 9,975,927this patent
Jan 2035
Jan 2035
US 10,766,931In force
Mar 2033
Mar 2033
US 11,572,392In force
Mar 2033
Mar 2033
Application 18/150,971Abandoned
not computed
not computed
Application 19/386,871Pending
not computed
not computed
5 of 6 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
Nov 10, 2016
Reel 40588, frame 676
Lundberg, Urban; Schuler, WolfgangValneva 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
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.

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