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Method, Apparatus, and Computer Program Product for Encryption Key Management Within a Group-Based Communication System

US 12,015,699 In force
OverviewFamilyAssignmentsSources & methods

Term ends Feb 10, 2041 · High confidence

Filed Aug 10, 2020 as application 16/989,452 · Granted Jun 18, 2024
Base term plus 615 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2019 2041
Clock starts
Jun 6, 2019
Term ends
Feb 10, 2041
Granted
Jun 18, 2024
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
615
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
7
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 615 days past its 20-year base term on prosecution delay. 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 Jun 6, 2019, when application 16/434,097, the earliest non-provisional in its chain, was filed (this one was filed Aug 10, 2020)Jun 6, 2039High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+615 days, USPTO patent term adjustment recordFeb 10, 2041High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 10, 2041High confidence

This family

US 10,778,419In force
Jun 2039
Jun 2039
US 12,019,607In force
Dec 2039
Dec 2039
US 11,539,675In force
Feb 2040
Feb 2040
US 12,015,699this patent
Feb 2041
Feb 2041
US 11,949,739In force
Dec 2039
Dec 2039
US 11,799,636In force
Jun 2039
Jun 2039
US 11,757,852In force
Jun 2039
Jun 2039
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
Aug 10, 2020
Reel 53447, frame 402
Crowley, Richard; Drummond, Audrei; Fain, Jessica; Jones, Leah; Frank, Ilan; Kinkel, NikolasSlack Technologies, Inc.Assignment of Assignor's Interest
Oct 1, 2021
Reel 57683, frame 1
Slack Technologies, Inc.; Slack Technologies, LLCSlack Technologies, LLCMerger and Change of Name
Nov 21, 2022
Reel 61972, frame 569
Slack Technologies, LLCSalesforce.com, Inc.Merger
Nov 21, 2022
Reel 61972, frame 769
Salesforce.com, Inc.Salesforce, 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.

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