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US 8,355,795 Lapsed on the fee record
OverviewFamilyAssignmentsSources & methods

Lapsed Jan 15, 2025 on the fee record · Low confidence

Third maintenance fee unpaid; grace period ended.

Filed Jun 24, 2011 as application 13/168,653 · Granted Jan 15, 2013
Base term, 20 years from filing, plus 12 days of patent term adjustment (USPTO delay)
Today
Lapsed Jan 15, 2025
2007 2027
Clock starts
Oct 18, 2007
No longer in force
Jan 15, 2025
Granted
Jan 15, 2013
Term would have run to
Oct 30, 2027
base term 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
12
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 7,941,224, to Oct 30, 2027. 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.
5
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 Oct 30, 2027: its 20-year base term plus 12 days of term 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. Confidence: Low. 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 18, 2007, when application 11/874,690, the earliest non-provisional in its chain, was filed (this one was filed Jun 24, 2011); a parent in its chain could not be resolved (the next row)Oct 18, 2027High confidence
Continuity chainA parent in the chain could not be resolveddated from this application's own claimMedium confidence
Patent term adjustment+12 days, USPTO patent term adjustment recordOct 30, 2027High confidence
Terminal disclaimer capDisclaimer resolved from the filed document (refs US 7,941,224)resolves to Oct 30, 2027, no earlier than this term, so no changeHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidlapsed Jan 15, 2025High confidence
Further caveats on recordThe record names parents not resolved: 11874690Low confidence overallLow confidence
Computed term endThe steps above, in orderJan 15, 2025Low confidence

This family

US 8,000,000In force
no later than May 2028
no later than May 2028
Application PCT/US2007/081811PCT application
no patent term
no patent term
US 7,941,224In force
Feb 2028
Feb 2028
US 8,355,795this patent
Jan 2025
Jan 2025
US 10,105,263Lapsed on the fee record
Oct 2026
Oct 2026
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 24, 2011
Reel 26497, frame 556
McClure, Kelly H; Roy, Arup; Greenberg, Robert J, M.D.Second Sight Medical Products, Inc.Assignment of Assignor's Interest
Dec 27, 2022
Reel 62230, frame 462
Second Sight Medical Products, Inc.; Vivani Medical, Inc.Vivani Medical, Inc.Merger and Change of Name
Feb 3, 2023
Reel 62589, frame 681
Vivani Medical, Inc.Cortigent, Inc.Assignment 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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