The Patent Finder
US

Method and System for Transparency Adjustment and Occlusion Resolution for Urban Landscape Visualization

US 8,194,972 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jun 5, 2024 on the fee record · High confidence

Third maintenance fee unpaid; grace period ended.

Filed Jul 8, 2011 as application 13/178,813 · Granted Jun 5, 2012
Base term, 20 years from filing
Today
Lapsed Jun 5, 2024
2007 2027
Clock starts
Apr 2, 2007
No longer in force
Jun 5, 2024
Granted
Jun 5, 2012
Term would have run to
Apr 2, 2027
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.
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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Apr 2, 2027: its 20-year base term, with no adjustment for prosecution delay. 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 2, 2007, when application 11/695,104, the earliest non-provisional in its chain, was filed (this one was filed Jul 8, 2011)Apr 2, 2027High 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 paidlapsed Jun 5, 2024High confidence
Computed term endThe steps above, in orderJun 5, 2024High confidence

This family

US 7,983,473In force
May 2030
May 2030
US 8,194,972this patent
Jun 2024
Jun 2024
US 8,478,026Lapsed on the fee record
Jul 2025
Jul 2025
US 8,675,955Lapsed on the fee record
Mar 2026
Mar 2026
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
Jun 20, 2013
Reel 30654, frame 247
Idelix Software Inc.Noregin Assets N.v., L.l.c.Assignment of Assignor's Interest
Dec 6, 2015
Reel 37220, frame 255
Noregin Assets N.v., L.l.c.Callahan Cellular L.L.C.Merger
Feb 12, 2023
Reel 62708, frame 463
Callahan Cellular L.L.C.Intellectual Ventures Assets 186 LLCAssignment of Assignor's Interest
Mar 23, 2023
Reel 63155, frame 300
Mind Fusion, LLCIntellectual Ventures Assets 186 LLCSecurity Interest
Jul 13, 2023
Reel 64271, frame 1
Intellectual Ventures Assets 186 LLCMind Fusion, LLCAssignment of Assignor's Interest
Jul 21, 2023
Reel 64357, frame 642
Mind Fusion, LLCAccessify, LLCAssignment 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