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Image Sensors Employing Sensitized Semiconductor Diodes

US 9,293,487 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 18, 2031 · High confidence

Filed Aug 27, 2014 as application 14/470,384 · Granted Mar 22, 2016
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Mar 18, 2011
Term ends
Mar 18, 2031
Granted
Mar 22, 2016
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.
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. 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 Mar 18, 2011, when application 13/051,320, the earliest non-provisional in its chain, was filed (this one was filed Aug 27, 2014)Mar 18, 2031High 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 orderMar 18, 2031High confidence

This family

US 8,822,897In force
Jun 2032
Jun 2032
US 9,293,487this patent
Mar 2031
Mar 2031
US 9,666,634In force
Mar 2031
Mar 2031
US 9,972,653In force
Mar 2031
Mar 2031
US 10,535,699In force
Mar 2031
Mar 2031
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
Feb 3, 2016
Reel 37651, frame 886
Tian, Hui; Ivanov, Igor Constantin; Sargent, Edward HartleyInvisage 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.

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