The Patent Finder
US

3D Building Analyzer

US 10,861,224 In force
OverviewFamilyAssignmentsSources & methods

Term ends Aug 12, 2034 · High confidence

Held by Hover Inc.
Filed Jan 20, 2017 as application 15/411,226 · Granted Dec 8, 2020
Base term plus 20 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2034
Clock starts
Jul 23, 2014
Term ends
Aug 12, 2034
Granted
Dec 8, 2020
base term patent term adjustment 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
20
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
1 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.
25
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 20 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 Jul 23, 2014, when application 14/339,127, the earliest non-provisional in its chain, was filed (this one was filed Jan 20, 2017)Jul 23, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+20 days, USPTO patent term adjustment recordAug 12, 2034High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 12, 2034High confidence

This family

US 9,437,033In force
Dec 2034
Dec 2034
US 10,776,999In force
Jul 2034
Jul 2034
US 10,861,224this patent
Aug 2034
Aug 2034
US 11,721,066In force
Jun 2036
Jun 2036
US 10,643,380In force
Jul 2034
Jul 2034
US 10,769,847In force
Jul 2034
Jul 2034
US 11,113,877In force
Jul 2034
Jul 2034
US 10,902,672In force
Jul 2034
Jul 2034
8 of 25 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
Feb 14, 2017
Reel 41248, frame 220
Halliday, Derek; Marques da Silva Junior, Antonio Carlos; Klein, Roberto; Altman, Adam J.Hover Inc.Assignment of Assignor's Interest
Mar 25, 2020
Reel 52229, frame 972
Hover Inc.Silicon Valley Bank, As Administrative AgentIntellectual Property Security Agreement
Mar 25, 2020
Reel 52229, frame 986
Hover Inc.Silicon Valley BankIntellectual Property Security Agreement
May 28, 2021
Reel 56423, frame 199
Hover Inc.Silicon Valley BankIntellectual Property Security Agreement
May 28, 2021
Reel 56423, frame 222
Hover Inc.Silicon Valley Bank, As Administrative AgentIntellectual Property Security Agreement
May 28, 2021
Reel 56423, frame 179
Silicon Valley BankHover Inc.Termination and Release of Intellectual Property Security Agreement
May 28, 2021
Reel 56423, frame 189
Silicon Valley Bank, As AgentHover Inc.Termination and Release of Intellectual Property Security Agreement
Oct 6, 2022
Reel 61622, frame 741
Silicon Valley BankHover Inc.Termination of Intellectual Property Security Agreement
Oct 6, 2022
Reel 61622, frame 761
Silicon Valley Bank, As AgentHover Inc.Termination of Intellectual Property Security Agreement

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