The Patent Finder
US

Multiple Index Based Information Retrieval System

US 9,361,331 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jun 7, 2024 on the fee record · High confidence

Second maintenance fee unpaid; grace period ended.

Held by Google LLC
Filed Mar 13, 2013 as application 13/801,108 · Granted Jun 7, 2016
Base term, 20 years from filing
Today
Lapsed Jun 7, 2024
2004 2026
Clock starts
Jul 26, 2004
No longer in force
Jun 7, 2024
Granted
Jun 7, 2016
Term would have run to
Jul 26, 2024
base term after the term ends 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.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 7,567,959, US 8,560,550, to Jul 26, 2024. The term already ends on or before that date, so the cap shortened nothing.
1 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.
6
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.

Its term would have run to Jul 26, 2024: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jul 26, 2004, when application 10/900,021, the earliest non-provisional in its chain, was filed (this one was filed Mar 13, 2013)Jul 26, 2024High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustmentNone on fileno changeHigh confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,567,959, US 8,560,550)resolves to Jul 26, 2024, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events1 of 2 maintenance fees paidlapsed Jun 7, 2024High confidence
Computed term endThe steps above, in orderJun 7, 2024High confidence

This family

US 7,580,921In force
Nov 2026
Nov 2026
US 7,567,959Lapsed on the fee record
Jul 2021
Jul 2021
US 8,560,550Lapsed on the fee record
Oct 2025
Oct 2025
US 9,361,331this patent
Jun 2024
Jun 2024
US 9,817,825Term ended
Jul 2024
Jul 2024
US 10,671,676Lapsed on the fee record
Jun 2024
Jun 2024
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 23, 2016
Reel 38079, frame 652
Patterson, Anna K.Google Inc.Assignment of Assignor's Interest
Oct 2, 2017
Reel 44566, frame 657
Google Inc.Google LLCChange 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.

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