The Patent Finder
US

Driver Risk Assessment System and Method Employing Selectively Automatic Event Scoring

US 8,849,501 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Aug 31, 2017 (HPS Investment Partners, LLC).

Term ends Mar 17, 2031 · High confidence

Held by Lytx, Inc.
Filed Jan 21, 2010 as application 12/691,639 · Granted Sep 30, 2014
Base term plus 780 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2009 2031
Clock starts
Jan 26, 2009
Term ends
Mar 17, 2031
Granted
Sep 30, 2014
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
780
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.
12
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 780 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 Jan 26, 2009, when application 12/359,787, the earliest non-provisional in its chain, was filed (this one was filed Jan 21, 2010)Jan 26, 2029High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+780 days, USPTO patent term adjustment recordMar 17, 2031High 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 orderMar 17, 2031High confidence

This family

US 8,269,617In force
Dec 2029
Dec 2029
US 8,849,501this patent
Mar 2031
Mar 2031
US 8,854,199In force
Apr 2031
Apr 2031
US 8,508,353In force
Jun 2030
Jun 2030
US 8,564,426In force
no later than Jan 2029
no later than Jan 2029
US 9,317,980In force
Jan 2029
Jan 2029
US 9,189,899In force
Jan 2029
Jan 2029
US 9,245,391In force
Jan 2029
Jan 2029
8 of 12 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
Jan 21, 2010
Reel 23829, frame 28
Cook, Bryon; Ellegaard, Peter; Gilles, LouisDrivecam, Inc.Assignment of Assignor's Interest
Jan 14, 2014
Reel 32019, frame 172
Drivecam, Inc.Lytx, Inc.Change of Name
Jan 29, 2014
Reel 32134, frame 756
Lytx, Inc.; Mobius Acquisition Holdings, LLCWells Fargo Bank, National Association, as AgentSecurity Agreement
Mar 15, 2016
Reel 38103, frame 328
Wells Fargo Bank, National AssociationLytx, Inc.Release of Security Interest in Patents Previously Recorded at Reel/Frame 032134/0756
Mar 15, 2016
Reel 38103, frame 508
Lytx, Inc.U.S. Bank National Association, as Administrative AgentSecurity Interest
Aug 31, 2017
Reel 43743, frame 648
U.s. Bank, National AssociationLytx, Inc.Release of Security Interest
Aug 31, 2017
Reel 43745, frame 567
Lytx, Inc.HPS Investment Partners, LLC, as Collateral AgentSecurity Interest
Feb 28, 2020
Reel 52050, frame 115
HPS Investment Partners, LLCGuggenheim Credit Services, LLCNotice of Successor Agent and Assignment of Security Interest (PATENTS) Reel/Frame 043745/0567

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