The Patent Finder
US

Resource Allocation in a Radio Access Network

US 7,920,541 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Nov 18, 2025 · High confidence

Filed Jun 5, 2009 as application 12/479,536 · Granted Apr 5, 2011
Base term, 20 years from filing
Today
20 years from filing
Term ended Nov 18, 2025
2005 2026
Clock starts
Nov 18, 2005
Term ended
Nov 18, 2025
Granted
Apr 5, 2011
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.
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Nov 18, 2005, when application 11/282,996, the earliest non-provisional in its chain, was filed (this one was filed Jun 5, 2009)Nov 18, 2025High 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 paidterm endedHigh confidence
Computed term endThe steps above, in orderNov 18, 2025High confidence

This family

US 7,558,588In force
Nov 2026
Nov 2026
US 7,920,541this patent
Nov 2025
Nov 2025
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
Jun 18, 2009
Reel 22843, frame 814
To, Philip; Eyceoz, TugayAirvana, Inc.Assignment of Assignor's Interest
Apr 9, 2010
Reel 24213, frame 355
Airvana, Inc.Wilmington Trust FSBPatent Security Agreement
Aug 9, 2010
Reel 24804, frame 404
Airvana, Inc.Airvana Network Solutions, Inc.Change of Name
Aug 27, 2010
Reel 24892, frame 924
Wilmington Trust FSB, as Administrative Agent and Collateral AgentAirvana, Inc.Release of Security Interest
Aug 31, 2010
Reel 24917, frame 171
Airvana Network Solutions Inc.Societe GeneraleSecurity Agreement
Jan 24, 2013
Reel 29686, frame 7
Societe GeneraleAirvana Network Solutions Inc.Release of Security Interest in Patent Collateral at Reel/Frame No. 024917/0171
Oct 29, 2013
Reel 31508, frame 566
Airvana Network Solutions Inc.Ericsson Evdo 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.

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