The Patent Finder
US

Using Passive Driver Identification and Other Input for Providing Real-Time Alerts or Actions

US 9,235,750 In force
OverviewFamilyAssignmentsSources & methods
Collateral for a security interest recorded Aug 31, 2017 (HPS Investment Partners, LLC).

Term ends Sep 16, 2031 · High confidence

Held by Lytx, Inc.
Filed Jun 10, 2013 as application 13/914,339 · Granted Jan 12, 2016
Base term, 20 years from filing
Today
20 years from filing
2011 2031
Clock starts
Sep 16, 2011
Term ends
Sep 16, 2031
Granted
Jan 12, 2016
base term 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,744,642, to Sep 16, 2031. The term already ends on or before that date, so the cap shortened nothing.
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.

This patent's term is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 maintenance fees are 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 Sep 16, 2011, when application 13/235,263, the earliest non-provisional in its chain, was filed (this one was filed Jun 10, 2013)Sep 16, 2031High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 8,744,642)resolves to Sep 16, 2031, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 16, 2031High confidence

This family

US 8,744,642In force
Jan 2032
Jan 2032
US 9,235,750this patent
Sep 2031
Sep 2031
US 9,180,887In force
Sep 2031
Sep 2031
US 9,679,210In force
Sep 2031
Sep 2031
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
Sep 9, 2013
Reel 31168, frame 734
Sutton, Greg; Butch, Tom; Nemat-nasser, Syrus C.; Smith, Andrew TombrasDrivecam, 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