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Electroactive Polymer Actuated Lighting

US 7,915,789 Term ended
OverviewFamilyAssignmentsSources & methods

Term ended Aug 4, 2025 · High confidence

Filed Feb 24, 2006 as application 11/361,704 · Granted Mar 29, 2011
Base term plus 136 days of patent term adjustment (USPTO delay)
Today
20 years from filing
Term ended Aug 4, 2025
2005 2026
Clock starts
Mar 21, 2005
Term ended
Aug 4, 2025
Granted
Mar 29, 2011
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
136
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
20
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 136 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Mar 21, 2005, when application 11/085,798, the earliest non-provisional in its chain, was filed (this one was filed Feb 24, 2006)Mar 21, 2025High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+136 days, USPTO patent term adjustment recordAug 4, 2025High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events3 of 3 maintenance fees paidterm endedHigh confidence
Computed term endThe steps above, in orderAug 4, 2025High confidence

This family

US 7,595,580In force
Apr 2027
Apr 2027
US 7,521,840Term ended
Apr 2026
Apr 2026
Application 11/361,703Abandoned
not computed
not computed
US 7,626,319Term ended
Mar 2025
Mar 2025
US 7,915,789this patent
Aug 2025
Aug 2025
US 7,750,532Term ended
Mar 2025
Mar 2025
Application PCT/US2006/010120PCT application
no patent term
no patent term
Application PCT/US2006/010369PCT application
no patent term
no patent term
8 of 20 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 13, 2006
Reel 17927, frame 408
Smith, Jonathan A.Artificial Muscle, Inc.Assignment of Assignor's Interest
May 20, 2010
Reel 24411, frame 308
Artificial Muscle, Inc.Bayer MaterialScience AGAssignment 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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