The Patent Finder
US

Delivery of Voicemails to Handheld Devices

US 11,818,299 In force
OverviewFamilyAssignmentsSources & methods

Term ends Jan 10, 2028 · High confidence

Filed Jul 14, 2022 as application 17/864,969 · Granted Nov 14, 2023
Base term, 20 years from filing
Today
20 years from filing
2008 2028
Clock starts
Jan 10, 2008
Term ends
Jan 10, 2028
Granted
Nov 14, 2023
base term 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.
None
Terminal disclaimer
No disclaimer on this record.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
9
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. 0 of 1 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 Jan 10, 2008, when application 11/972,610, the earliest non-provisional in its chain, was filed (this one was filed Jul 14, 2022)Jan 10, 2028High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 1 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 10, 2028High confidence

This family

US 8,644,463In force
Dec 2031
Dec 2031
US 9,344,574In force
Jan 2028
Jan 2028
US 10,375,247In force
Jan 2028
Jan 2028
US 10,750,025In force
Jan 2028
Jan 2028
US 10,750,026In force
Jan 2028
Jan 2028
US 11,394,832In force
Jan 2028
Jan 2028
US 11,399,098In force
Jan 2028
Jan 2028
US 11,818,299this patent
Jan 2028
Jan 2028
8 of 9 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
Mar 9, 2023
Reel 62934, frame 895
Lebeau, MichaelOnavoice, Inc.Assignment of Assignor's Interest
Mar 9, 2023
Reel 62935, frame 22
Demmitt, Michael; Manna, Amit; Smith, Michael; Arellano, Luis; Pedregal, Chris; Salomaki, BrianOnavoice, Inc.Assignment of Assignor's Interest
Mar 9, 2023
Reel 62935, frame 80
Onavoice, Inc.MamAssignment of Assignor's Interest
Mar 9, 2023
Reel 62935, frame 139
MamTechnology Value Group, LLCAssignment of Assignor's Interest
Mar 9, 2023
Reel 62935, frame 247
Technology Value Group, LLCZoom Video Communications, Inc.Assignment of Assignor's Interest

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