The Patent Finder
US

Lane Marking Localization

US 11,852,498 In force
OverviewFamilyAssignmentsSources & methods

Term ends Sep 29, 2038 · High confidence

Filed May 5, 2021 as application 17/308,803 · Granted Dec 26, 2023
Base term plus 227 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2018 2038
Clock starts
Feb 14, 2018
Term ends
Sep 29, 2038
Granted
Dec 26, 2023
base term patent term adjustment 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
227
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 11,009,365, to Sep 29, 2038. The term already ends on or before that date, so the cap shortened nothing.
0 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.
8
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 227 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 0 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 Feb 14, 2018, when application 15/896,077, the earliest non-provisional in its chain, was filed (this one was filed May 5, 2021)Feb 14, 2038High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+227 days, USPTO patent term adjustment recordSep 29, 2038High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 11,009,365)resolves to Sep 29, 2038, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderSep 29, 2038High confidence

This family

US 11,009,365In force
Dec 2038
Dec 2038
US 11,009,356In force
Nov 2038
Nov 2038
Application PCT/US2019/018113PCT application
no patent term
no patent term
Application PCT/US2019/060547PCT application
no patent term
no patent term
US 11,852,498this patent
Sep 2038
Sep 2038
US 11,740,093In force
Aug 2038
Aug 2038
US 12,270,661In force
Feb 2038
Feb 2038
US 12,352,592In force
no later than Feb 2038
no later than Feb 2038
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
May 5, 2021
Reel 56148, frame 330
Wang, Mingdong; Qian, Chenzhe; Mei, XueTuSimpleAssignment of Assignor's Interest
Oct 4, 2021
Reel 57710, frame 602
TuSimpleTuSimple, Inc.Change of Name
Dec 3, 2025
Reel 73832, frame 485
TuSimple, Inc.Createai, Inc.Change of Name

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