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US 10,361,903 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jul 23, 2023 on the fee record · High confidence

First maintenance fee unpaid; grace period ended.

Filed Apr 25, 2017 as application 15/497,026 · Granted Jul 23, 2019
Base term, 20 years from filing, plus 5 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Jul 23, 2023
2005 2026
Clock starts
Sep 29, 2005
No longer in force
Jul 23, 2023
Granted
Jul 23, 2019
Term would have run to
Sep 29, 2025
base term after the term ends 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
5
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,661,085.
0 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it 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.

Its term would have run to Sep 29, 2025: its 20-year base term plus 5 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Sep 29, 2005, when application 11/239,954, the earliest non-provisional in its chain, was filed (this one was filed Apr 25, 2017)Sep 29, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+5 days, USPTO patent term adjustment recordOct 4, 2025High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 9,661,085)capped to Sep 29, 2025High confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events0 of 1 maintenance fees paidlapsed Jul 23, 2023High confidence
Computed term endThe steps above, in orderJul 23, 2023High confidence

This family

US 9,143,841In force
Jun 2031
Jun 2031
US 9,661,085Lapsed on the fee record
May 2025
May 2025
US 10,361,903this patent
Jul 2023
Jul 2023
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
Dec 13, 2017
Reel 44891, frame 536
Brocade Communications Systems, Inc.Brocade Communications Systems LLCChange of Name
Oct 18, 2018
Reel 47270, frame 247
Brocade Communications Systems LLCAvago Technologies International Sales Pte. LimitedAssignment of Assignor's Interest

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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