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US 8,660,621 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Therefore Limited, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Mar 21, 2032 · High confidence

Filed Aug 20, 2010 as application 12/860,609 · Granted Feb 25, 2014
Base term plus 579 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2010 2032
Clock starts
Aug 20, 2010
Term ends
Mar 21, 2032
Granted
Feb 25, 2014
base term patent term adjustment fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
579
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
2
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 579 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Aug 20, 2010, when this application, 12/860,609, was filedAug 20, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+579 days, USPTO patent term adjustment recordMar 21, 2032High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMar 21, 2032High confidence

This family

US 8,660,621this patent
Mar 2032
Mar 2032
US 8,792,947In force
Aug 2030
Aug 2030
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 17, 2010
Reel 25384, frame 922
Henley, Benjamin John; Beets, Joris Willem; Riddiford, MartinTherefore LimitedAssignment of Assignor's Interest
Nov 17, 2010
Reel 25386, frame 200
Masser, Paul; Griffin, Jason Tyler; Huang, Li; Pereira, Neil Savio; Kyowski, Timothy Herbert; Fletcher, Jodie ElizabethResearch in Motion LimitedAssignment of Assignor's Interest
May 3, 2011
Reel 26215, frame 265
Therefore LimitedResearch in Motion LimitedAssignment of Assignor's Interest
May 7, 2014
Reel 32836, frame 938
Research in Motion LimitedBlackBerry LimitedChange of Name
Jun 16, 2023
Reel 64104, frame 103
BlackBerry LimitedMalikie Innovations LimitedAssignment of Assignor's Interest
Jun 19, 2023
Reel 64270, frame 1
BlackBerry LimitedMalikie Innovations LimitedNunc Pro Tunc Assignment

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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