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A surface of a vessel with polystyrene, Nitrogen, Oxygen and a static sessile contact angle for attachment and cultivation of cells

US 11,001,802 In force
OverviewFamilyAssignmentsSources & methods

Term ends Feb 19, 2029 · High confidence

Held by Nunc A/S
Filed Aug 31, 2018 as application 16/120,040 · Granted May 11, 2021
Base term, 20 years from filing
Today
20 years from filing
2009 2029
Clock starts
Feb 19, 2009
Term ends
Feb 19, 2029
Granted
May 11, 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.
None
Terminal disclaimer
No disclaimer on this record.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
3
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 1 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 Feb 19, 2009, when application 12/388,930, the earliest non-provisional in its chain, was filed (this one was filed Aug 31, 2018)Feb 19, 2029High 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 1 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 19, 2029High confidence

This family

US 10,066,203In force
Sep 2031
Sep 2031
Application 12/608,584Abandoned
not computed
not computed
US 11,001,802this patent
Feb 2029
Feb 2029
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 19, 2019
Reel 49808, frame 278
Janssen Biotech, Inc.Nunc 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 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