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Real Time Electronic Cell Sensing Systems and Applications for Cell-Based Assays

US 7,192,752 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Nov 10, 2023 · High confidence

Filed Nov 12, 2004 as application 10/987,732 · Granted Mar 20, 2007
Base term, 20 years from filing
Today
20 years from filing
Term ended Nov 10, 2023
2003 2026
Clock starts
Nov 10, 2003
Term ended
Nov 10, 2023
Granted
Mar 20, 2007
base term after the term ends 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.
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.
44
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. All three maintenance fees were paid, so no fee lapse ended it. 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 Nov 10, 2003, when applications 10/705,447 and 10/705,615, the earliest non-provisional applications in its chain, were filed (this one was filed Nov 12, 2004)Nov 10, 2023High 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 events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderNov 10, 2023High confidence

This family

Application PCT/US2003/022557PCT application
no patent term
no patent term
Application PCT/US2003/022537PCT application
no patent term
no patent term
US 7,470,533Term ended
Jan 2025
Jan 2025
US 7,459,303Term ended
Sep 2025
Sep 2025
US 7,192,752this patent
Nov 2023
Nov 2023
Application PCT/US2004/037696PCT application
no patent term
no patent term
US 7,560,269Term ended
Oct 2025
Oct 2025
Application PCT/US2005/004481PCT application
no patent term
no patent term
8 of 44 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
Mar 24, 2005
Reel 16389, frame 559
Xu, Xiao; Abassi, Yama A.; Wang, Xiaobo; Gan, JiangboAcea BiosciencesAssignment of Assignor's Interest
Feb 25, 2021
Reel 55409, frame 874
Acea Biosciences, Inc.Agilent Technologies, Inc.Assignment 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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