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US

Systems and Methods of Supporting Multiple Wireless Communication Technologies

US 7,843,870 In force
OverviewFamilyAssignmentsSources & methods

Also listed on Clear Wireless LLC, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Apr 6, 2029 · High confidence

Filed Nov 7, 2006 as application 11/593,476 · Granted Nov 30, 2010
Base term plus 881 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2006 2029
Clock starts
Nov 7, 2006
Term ends
Apr 6, 2029
Granted
Nov 30, 2010
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
881
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 881 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 Nov 7, 2006, when this application, 11/593,476, was filedNov 7, 2026High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+881 days, USPTO patent term adjustment recordApr 6, 2029High 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 orderApr 6, 2029High confidence

This family

US 7,843,870this patent
Apr 2029
Apr 2029
Application PCT/US2007/023135PCT application
no patent term
no patent term
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 7, 2006
Reel 18525, frame 332
Olfat, MasoudNextel Communications, Inc.Assignment of Assignor's Interest
Jan 30, 2009
Reel 22183, frame 924
Nextel Communications, Inc.Clear Wireless LLCAssignment of Assignor's Interest
Jun 11, 2009
Reel 22815, frame 429
Clear Wireless LLCMorgan Stanley & Co., Inc., as Collateral AgentSecurity Agreement
Nov 24, 2009
Reel 23567, frame 236
Morgan Stanley & Co., Inc., as Collateral AgentClear Wireless LLCTermination and Release of Security Interest in Patent Rights
Nov 30, 2009
Reel 23574, frame 539
Clearwire Legacy LLC; Clear Wireless LLCWilmington Trust Fsb, As Collateral AgentSecurity Agreement
Dec 13, 2010
Reel 25473, frame 569
Clearwire Legacy LLC; Clear Wireless LLCWilmington Trust Fsb, As Collateral AgentSecond Lien Patent Security Agreement
Oct 27, 2011
Reel 27134, frame 837
Clear Wireless LLCClearwire Communications LLCAssignment of Assignor's Interest
Oct 27, 2011
Reel 27134, frame 855
Clearwire Communications LLCClearwire IP Holdings LLCAssignment of Assignor's Interest
Mar 3, 2017
Reel 41882, frame 875
Clearwire IP Holdings LLCDeutsche Bank Trust Company AmericasGrant of First Priority and Junior Priority Security Interest in Patent Rights
Apr 1, 2020
Reel 52291, frame 439
Deutsche Bank Trust Company AmericasClearwire IP Holdings LLCTermination and Release of First Priority and Junior Priority Security Interest in Patent Rights
Apr 3, 2020
Reel 52312, frame 975
Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSBClearwire Legacy LLC; Clear Wireless LLCWilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSB
Apr 3, 2020
Reel 53182, frame 700
Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSBClearwire Legacy LLC; Clear Wireless LLCTermination and Release of Security Interest in Patents
Apr 3, 2020
reel/frame not recorded
Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSBClearwire Legacy LLCWilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSB
Apr 3, 2020
reel/frame not recorded
Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSBClear Wireless LLCWilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSB
Apr 3, 2020
reel/frame not recorded
Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSBClearwire Legacy LLCTermination and Release of Security Interest in Patents
Apr 3, 2020
reel/frame not recorded
Wilmington Trust, National Association, as Successor by Merger to Wilmington Trust FSBClear Wireless LLCTermination and Release of Security Interest in Patents

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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