The Patent Finder
US

Fast Identification of Complex Strings in a Data Stream

US 7,987,196 In force
OverviewFamilyAssignmentsSources & methods

Term ends Feb 24, 2027 · High confidence

Filed Jan 21, 2011 as application 13/011,395 · Granted Jul 26, 2011
Base term, 20 years from filing
Today
20 years from filing
2007 2027
Clock starts
Feb 24, 2007
Term ends
Feb 24, 2027
Granted
Jul 26, 2011
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.
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.
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. 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 Feb 24, 2007, when application 11/678,587, the earliest non-provisional in its chain, was filed (this one was filed Jan 21, 2011)Feb 24, 2027High 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 events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderFeb 24, 2027High confidence

This family

US 7,630,982In force
Jan 2028
Jan 2028
US 7,899,842In force
Feb 2027
Feb 2027
US 7,987,196this patent
Feb 2027
Feb 2027
US 8,069,183In force
Feb 2027
Feb 2027
US 8,117,229In force
Feb 2027
Feb 2027
US 8,423,572In force
Feb 2027
Feb 2027
US 8,812,547In force
Feb 2027
Feb 2027
US 9,600,537In force
Feb 2027
Feb 2027
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
Jan 21, 2011
Reel 25678, frame 788
Boyce, Kevin GerardThird Brigade, Inc.Assignment of Assignor's Interest
Jan 21, 2011
Reel 25675, frame 719
Third Brigade, Inc.Third Brigade Inc.Change-Correction of Name and Address
Jan 21, 2011
Reel 25679, frame 56
Third Brigade Inc.Trend Micro Kabushiki KaishaAssignment of Assignor's Interest
Jan 21, 2011
Reel 25675, frame 792
Trend Micro Kabushiki KaishaTrend Micro IncorporatedConfirmation of Company Name and Address

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