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Performance Monitoring in Passive Optical Networks

US 8,879,905 Grace period ended
OverviewFamilyAssignmentsSources & methods

Also listed on Broadcom Corporation, an earlier holder on the record. The recorded assignments below show how it moved.

Term ends Oct 14, 2029 · Low confidence

Grace period ended Nov 4, 2026 · no payment on record as of the Nov 10, 2026 fee file · lapse expected

Filed May 13, 2013 as application 13/893,089 · Granted Nov 4, 2014
Base term, 20 years from filing
Today
20 years from filing
2009 2029
Clock starts
Oct 14, 2009
Term ends
Oct 14, 2029
Granted
Nov 4, 2014
base term fee events Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 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 8,442,398, to Oct 14, 2029. The term already ends on or before that date, so the cap shortened nothing.
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.
3
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 maintenance fees are paid so far. Confidence: Low: the grace period for its third maintenance fee ended Nov 4, 2026 with no payment on record. 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 Oct 14, 2009, when application 12/579,209, the earliest non-provisional in its chain, was filed (this one was filed May 13, 2013)Oct 14, 2029High 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 8,442,398)resolves to Oct 14, 2029, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee eventsNo fee event states this; the fee state is read from the payments the fee record holds; the fee record shows no payment for this window, and USPTO's status still reads "Patented Case"; the grace period ended with no payment on record in the fee filegrace period ended Nov 4, 2026Low confidence
Computed term endThe steps above, in orderOct 14, 2029Low confidence

This family

US 8,442,398In force
Oct 2031
Oct 2031
Application PCT/US2009/060899PCT application
no patent term
no patent term
US 8,879,905this patent
Oct 2029
Oct 2029
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 7, 2013
Reel 30567, frame 371
Li, Weidong Rick; Wojtowicz, JaroslawTeknovus, Inc.Assignment of Assignor's Interest
Jun 7, 2013
Reel 30567, frame 434
Teknovus, 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 47229, frame 408
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedMerger
Oct 29, 2018
Reel 47349, frame 1
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedCorrective Assignment to Correct the Effective Date Previously Recorded on Reel 047229 Frame 0408. Assignor(S) Hereby Confirms the the Effective Date Is 09/05/2018.
Mar 22, 2019
Reel 51144, frame 648
Avago Technologies General IP (Singapore) Pte. Ltd.Avago Technologies International Sales Pte. LimitedCorrective Assignment to Correct the Patent Number 9,385,856 to 9,385,756 Previously Recorded at Reel: 47349 Frame: 001. 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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