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Method and System for Tracking Changes to User Content in an Online Social Network

US 9,798,789 In force
OverviewFamilyAssignmentsSources & methods

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

Term ends Jan 6, 2029 · High confidence

Filed Sep 12, 2006 as application 11/531,154 · Granted Oct 24, 2017
Base term plus 847 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2029
Clock starts
Sep 12, 2006
Term ends
Jan 6, 2029
Granted
Oct 24, 2017
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
847
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
12
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 847 days past its 20-year base term on prosecution delay. 2 of 2 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 Sep 12, 2006, when this application, 11/531,154, was filedSep 12, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+847 days, USPTO patent term adjustment recordJan 6, 2029High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 2 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderJan 6, 2029High confidence

This family

US 9,798,789this patent
Jan 2029
Jan 2029
US 8,037,093Term ended
Nov 2026
Nov 2026
US 8,694,542In force
Jan 2027
Jan 2027
US 8,874,546Term ended
no later than Sep 2026
no later than Sep 2026
US 8,874,612Term ended
Nov 2026
Nov 2026
US 10,412,179In force
Mar 2031
Mar 2031
US 10,353,915Term ended
Sep 2026
Sep 2026
US 10,171,599Term ended
Sep 2026
Sep 2026
8 of 12 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
Sep 12, 2006
Reel 18236, frame 727
Lindstrom, Kent; Mackinnon, Ross AFriendster Inc.Assignment of Assignor's Interest
Dec 22, 2009
Reel 23691, frame 700
Friendster, Inc.Balthaser Online, Inc.Security Agreement
Feb 9, 2010
Reel 23915, frame 424
Balthaser Online, Inc.Friendster, Inc.Release of Limited Intellectual Property Security Agreement
Jun 7, 2010
Reel 24492, frame 139
Friendster, Inc.Facebook, Inc.Assignment of Assignor's Interest
Aug 24, 2010
Reel 24878, frame 801
Friendster, Inc.Facebook, Inc.Assignment of Assignor's Interest
Dec 20, 2021
Reel 58553, frame 802
Facebook, Inc.Meta Platforms, 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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