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Materials, Systems and Methods for Optoelectronic Devices

US 7,923,801 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Sep 3, 2013 (Square 1 Bank).

Term ends Oct 25, 2028 · High confidence

Filed Apr 18, 2008 as application 12/106,256 · Granted Apr 12, 2011
Base term plus 190 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2008 2028
Clock starts
Apr 18, 2008
Term ends
Oct 25, 2028
Granted
Apr 12, 2011
base term patent term adjustment 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
190
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
40
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 runs 190 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Apr 18, 2008, when this application, 12/106,256, was filedApr 18, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+190 days, USPTO patent term adjustment recordOct 25, 2028High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderOct 25, 2028High confidence

This family

US 7,923,801this patent
Oct 2028
Oct 2028
Application PCT/US2009/041153PCT application
no patent term
no patent term
Application 12/426,854Abandoned
not computed
not computed
US 8,203,195Lapsed on the fee record
Jun 2024
Jun 2024
US 8,138,567In force
May 2028
May 2028
Application PCT/US2009/051186PCT application
no patent term
no patent term
US 8,004,057In force
Apr 2028
Apr 2028
US 8,013,412In force
Apr 2028
Apr 2028
8 of 40 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
Oct 7, 2010
Reel 25110, frame 947
Tian, Hui; Sargent, Edward HartleyInvisage Technologies, Inc.Assignment of Assignor's Interest
Jan 4, 2012
Reel 27479, frame 419
Invisage Technologies, Inc.Triplepoint Capital LLCSecurity Agreement
Sep 3, 2013
Reel 31160, frame 411
Invisage Technologies, Inc.Square 1 BankSecurity Agreement
Sep 5, 2013
Reel 31163, frame 810
Triplepoint Capital LLCInvisage Technologies, Inc.Release of Security Interest
Oct 2, 2014
Reel 33886, frame 632
Triplepoint Capital LLCInvisage Technologies, Inc.Release of Security Interest
Jul 21, 2015
Reel 36148, frame 467
Invisage Technologies, Inc.Horizon Technology Finance CorporationSecurity Interest
Mar 16, 2017
Reel 42024, frame 887
Horizon Technology Finance CorporationInvisage Technologies, Inc.Release of Security Interest
Mar 20, 2017
Reel 41652, frame 945
Pacific Western Bank, as Successor in Interest to Square 1 BankInvisage Technologies, Inc.Release of Security 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