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Phone Number Verification Method And System

US 9,374,457 In force
OverviewFamilyAssignmentsSources & methods

Term ends Mar 25, 2030 · High confidence

Held by WhatsApp LLC
Filed Nov 3, 2014 as application 14/531,905 · Granted Jun 21, 2016
Base term, 20 years from filing
Today
20 years from filing
2010 2030
Clock starts
Mar 25, 2010
Term ends
Mar 25, 2030
Granted
Jun 21, 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 8,923,812, to Mar 25, 2030. 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.
11
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 Mar 25, 2010, when application 12/732,182, the earliest non-provisional in its chain, was filed (this one was filed Nov 3, 2014)Mar 25, 2030High 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 8,923,812)resolves to Mar 25, 2030, 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 orderMar 25, 2030High confidence

This family

US 8,995,965In force
Aug 2030
Aug 2030
US 9,203,960In force
Mar 2030
Mar 2030
US 8,923,812In force
May 2030
May 2030
US 9,628,831Lapsed on the fee record
Apr 2025
Apr 2025
US 9,374,457this patent
Mar 2030
Mar 2030
US 9,998,593Lapsed on the fee record
Jun 2026
Jun 2026
US 10,136,272In force
Mar 2030
Mar 2030
US 10,225,399In force
Mar 2030
Mar 2030
8 of 11 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
Nov 10, 2014
Reel 34133, frame 689
Koum, Jan; Acton, BrianWhatsApp Inc.Assignment of Assignor's Interest
Mar 3, 2021
Reel 55488, frame 767
WhatsApp Inc.WhatsApp LLCChange 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.

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