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US

Medium Accessing Mechanisms Within Multiple User, Multiple Access, And/Or MIMO Wireless Communications

US 8,441,975 In force
OverviewFamilyAssignmentsSources & methods

Term ends Apr 17, 2031 · High confidence

Filed Jun 22, 2010 as application 12/821,094 · Granted May 14, 2013
Base term plus 317 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2010 2031
Clock starts
Jun 4, 2010
Term ends
Apr 17, 2031
Granted
May 14, 2013
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
317
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 9,204,337, to Apr 17, 2031. The term already ends on or before that date, so the cap shortened nothing.
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.
21
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 317 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 Jun 4, 2010, when applications 12/794,707 and 12/794,711, the earliest non-provisional applications in its chain, were filed (this one was filed Jun 22, 2010)Jun 4, 2030High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+317 days, USPTO patent term adjustment recordApr 17, 2031High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,204,337)resolves to Apr 17, 2031, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderApr 17, 2031High confidence

This family

US 9,379,858In force
Jan 2035
Jan 2035
Application 12/794,707Abandoned
not computed
not computed
US 8,498,359In force
Sep 2031
Sep 2031
US 8,526,351In force
Sep 2031
Sep 2031
US 9,197,298In force
Oct 2031
Oct 2031
US 8,804,495In force
Sep 2031
Sep 2031
US 8,582,485In force
Jan 2032
Jan 2032
US 8,441,975this patent
Apr 2031
Apr 2031
8 of 21 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
Jul 12, 2010
Reel 24668, frame 178
Amini, Peiman; Fischer, Matthew James; Erceg, Vinko; Lauer, Joseph Paul; Kim, JoonsukBroadcom CorporationAssignment of Assignor's Interest
Feb 11, 2016
Reel 37806, frame 1
Broadcom CorporationBank of America, N.A., as Collateral AgentPatent Security Agreement
Feb 1, 2017
Reel 41706, frame 1
Broadcom CorporationAvago Technologies General IP (Singapore) Pte. Ltd.Assignment of Assignor's Interest
Feb 3, 2017
Reel 41712, frame 1
Bank of America, N.A., as Collateral AgentBroadcom CorporationTermination and Release of Security Interest in Patents
Oct 4, 2018
Reel 47230, frame 133
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedMerger
Oct 29, 2018
Reel 47630, frame 456
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedCorrective Assignment to Correct the Effective Date of Merger to 09/05/2018 Previously Recorded at Reel: 047230 Frame: 0133. Assignor(S) Hereby Confirms the Merger.

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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