The Patent Finder
US

High Precision Internet Local Search

US 8,219,578 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jun 2, 2028 · High confidence

Filed Dec 8, 2006 as application 11/608,791 · Granted Jul 10, 2012
Base term plus 542 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2028
Clock starts
Dec 8, 2006
Term ends
Jun 2, 2028
Granted
Jul 10, 2012
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
542
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.
4
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 542 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 Dec 8, 2006, when this application, 11/608,791, was filedDec 8, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+542 days, USPTO patent term adjustment recordJun 2, 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 orderJun 2, 2028High confidence

This family

US 8,219,578this patent
Jun 2028
Jun 2028
US 9,135,353In force
Dec 2026
Dec 2026
US 10,068,025In force
Jan 2028
Jan 2028
US 10,839,034In force
Apr 2027
Apr 2027
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
Jan 31, 2007
Reel 18833, frame 480
Hendrey, Geoffrey; Poppen, RichardDecarta Inc.Assignment of Assignor's Interest
Jul 8, 2010
Reel 24640, frame 765
Decarta, Inc.Silicon Valley BankSecurity Agreement
Aug 6, 2012
Reel 28735, frame 375
Silicon Valley BankDecarta, Inc.Release
Apr 21, 2015
Reel 35462, frame 301
Decarta Inc.Decarta Inc.Merger
Apr 29, 2015
Reel 35530, frame 942
Magellan Merger Sub Corp.; Decarta Inc.Decarta Inc.Merger and Change of Name
May 6, 2015
Reel 35581, frame 194
Decarta Inc.; Decarta LLCDecarta LLCMerger and Change of Name
May 12, 2015
Reel 35622, frame 242
Decarta LLCUber Technologies, Inc.Assignment of Assignor's Interest
Jul 14, 2016
Reel 39341, frame 8
Uber Technologies, Inc.Morgan Stanley Senior Funding, Inc., as Administrative AgentPatent Security Agreement (TERM Loan)
Jul 14, 2016
Reel 39341, frame 64
Uber Technologies, Inc.Morgan Stanley Senior Funding, Inc., as Administrative AgentPatent Security Agreement (REVOLVER)
Apr 6, 2018
Reel 45853, frame 418
Uber Technologies, Inc.Cortland Capital Market Services LLC, as Administrative AgentSecurity Interest
Jul 26, 2018
Reel 49259, frame 64
Uber Technologies, Inc.Cortland Capital Market Services LLC, as Administrative AgentCorrective Assignment to Correct the Property Number Previously Recorded at Reel: 45853 Frame: 418. Assignor(S) Hereby Confirms the Assignment.
Mar 10, 2021
Reel 55547, frame 404
Cortland Capital Market Services LLC, as Administrative AgentUber Technologies, Inc.Release of Security Interest
Sep 11, 2024
Reel 69133, frame 140
Morgan Stanley Senior Funding, Inc. as Administrative AgentUber Technologies, Inc.Termination and Release of Patent Security Agreement (TERM Loan) at Reel 039341, Frame 0008
Oct 3, 2024
Reel 69110, frame 508
Morgan Stanley Senior Funding, Inc., as Administrative AgentUber 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 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