The Patent Finder
US

Magnetic-Field Sensor with a Back-Bias Magnet Arrangement

US 10,338,159 In force
OverviewFamilySources & methods

Term ends Aug 10, 2028 · High confidence

Filed Jul 29, 2015 as application 14/812,869 · Granted Jul 2, 2019
Base term plus 72 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2008 2028
Clock starts
May 30, 2008
Term ends
Aug 10, 2028
Granted
Jul 2, 2019
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
72
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 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
13
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 72 days past its 20-year base term on prosecution delay. 1 of 2 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 May 30, 2008, when application 12/130,678, the earliest non-provisional in its chain, was filed (this one was filed Jul 29, 2015)May 30, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+72 days, USPTO patent term adjustment recordAug 10, 2028High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderAug 10, 2028High confidence

This family

US 8,773,124Lapsed on the fee record
Jul 2022
Jul 2022
US 10,996,290In force
Sep 2028
Sep 2028
US 10,704,933In force
Jan 2035
Jan 2035
US 10,338,159this patent
Aug 2028
Aug 2028
US 10,852,367In force
Aug 2028
Aug 2028
US 10,338,158In force
May 2028
May 2028
US 10,677,617In force
Jun 2029
Jun 2029
US 10,704,926In force
May 2028
May 2028
8 of 13 applications in this family shown, earliest filings first. The applications whose file history this site holds. The family may have others.

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