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US 7,586,997 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Sep 8, 2021 on the fee record · Medium confidence

Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.

Third maintenance fee unpaid; grace period ended.

Filed Aug 16, 2005 as application 11/205,505 · Granted Sep 8, 2009
Base term, 20 years from filing, plus 561 days of patent term adjustment (USPTO delay)
Today
Lapsed Sep 8, 2021
2005 2027
Clock starts
Jul 5, 2005
No longer in force
Sep 8, 2021
Granted
Sep 8, 2009
Term would have run to
Jan 17, 2027
base term patent term adjustment 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
561
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
2 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.
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 Jan 17, 2027: its 20-year base term plus 561 days of term adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. Confidence: Medium. 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 5, 2005, when application 11/175,621, the earliest non-provisional in its chain, was filed (this one was filed Aug 16, 2005)Jul 5, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+561 days, USPTO patent term adjustment recordJan 17, 2027High confidence
Terminal disclaimer capDisclaimer on file (approved), reference document not resolvedno cap applied, and none guessedMedium confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Sep 8, 2021High confidence
Computed term endThe steps above, in orderSep 8, 2021Medium confidence

This family

US 7,466,759Lapsed on the fee record
Dec 2020
Dec 2020
US 7,450,662In force
Feb 2027
Feb 2027
Application PCT/US2005/029302PCT application
no patent term
no patent term
Application PCT/US2005/029303PCT application
no patent term
no patent term
US 7,586,997this patent
Sep 2021
Sep 2021
US 7,477,698In force
Jan 2027
Jan 2027
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
Oct 31, 2005
Reel 16956, frame 365
Vummintala, Shashidhar; Paultraj, Arogyaswami; Lindskog, Erik D.; Sundar, Balaji; Tujkovic, DjordjeBeceem Communications Inc.Assignment of Assignor's Interest
Jan 5, 2006
Reel 17165, frame 1
Vummintala, Shashidhar; Paulraj, Arogyaswami; Lindskog, Erik D.; Rajan, Balaji .S; Tujkovic, DjordjeBeceem Communications Inc.Assignment of Assignor's Interest
Dec 13, 2010
Reel 25473, frame 591
Beceem Communications, Inc.Broadcom 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 47195, frame 827
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedMerger
Nov 5, 2018
Reel 47924, frame 571
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedCorrective Assignment to Correct the Effective Date of Merger Previously Recorded at Reel: 047195 Frame: 0827. 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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