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US

Disposable Chamber for Analyzing Biologic Fluids

US 8,241,572 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Apr 7, 2025 · Low confidence

Filed Aug 10, 2011 as application 13/206,636 · Granted Aug 14, 2012
Base term, 20 years from filing
Today
20 years from filing
Term ended Apr 7, 2025
2005 2026
Clock starts
Apr 7, 2005
Term ended
Apr 7, 2025
Granted
Aug 14, 2012
base term after the term ends 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 7,850,916, to Apr 7, 2025. The term already ends on or before that date, so the cap shortened nothing.
3 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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. All three maintenance fees were paid, so no fee lapse ended it. Confidence: Low. 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 Apr 7, 2005, when application PCT/US2005/011602, the earliest non-provisional in its chain, was filed (this one was filed Aug 10, 2011); a parent in its chain could not be resolved (the next row)Apr 7, 2025High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,850,916)resolves to Apr 7, 2025, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Further caveats on recordThe record names parents not resolved: PCTUS2005011602, PCTUS2005011602Low confidence overallLow confidence
Computed term endThe steps above, in orderApr 7, 2025Low confidence

This family

US 7,850,916In force
Sep 2027
Sep 2027
US 9,084,995Lapsed on the fee record
Jul 2023
Jul 2023
US 8,241,572this patent
Apr 2025
Apr 2025
US 10,578,602In force
Nov 2026
Nov 2026
4 of 5 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 10, 2011
Reel 26726, frame 400
Wardlaw, Stephen C.Wardlaw Partners LPAssignment of Assignor's Interest
Aug 10, 2011
Reel 26726, frame 454
Wardlaw Partners LPQDX, Inc.Assignment of Assignor's Interest
Aug 10, 2011
Reel 26726, frame 545
QDX, Inc.Abbott LaboratoriesAssignment 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.

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