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High Efficiency Solar Panel

US 10,074,755 In force
OverviewFamilyAssignmentsSources & methods

Term ends May 6, 2035 · High confidence

Held by Tesla, Inc.
Filed Dec 8, 2014 as application 14/563,867 · Granted Sep 11, 2018
Base term plus 478 days of patent term adjustment (USPTO delay)
Today
20 years from filing
2014 2035
Clock starts
Jan 13, 2014
Term ends
May 6, 2035
Granted
Sep 11, 2018
base term patent term adjustment 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
478
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
9
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 478 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 Jan 13, 2014, when application 14/153,608, the earliest non-provisional in its chain, was filed (this one was filed Dec 8, 2014)Jan 13, 2034High confidence
Continuity chainEvery parent in the chain resolvedno changeHigh confidence
Patent term adjustment+478 days, USPTO patent term adjustment recordMay 6, 2035High confidence
Terminal disclaimer capNone on recordno cap appliedHigh confidence
Patent term extensionNone on fileno changeHigh confidence
Fee events2 of 3 maintenance fees paidIn forceHigh confidence
Computed term endThe steps above, in orderMay 6, 2035High confidence

This family

Application PCT/US2014/011331PCT application
no patent term
no patent term
US 9,219,174In force
Feb 2034
Feb 2034
US 9,412,884In force
Jan 2034
Jan 2034
US 10,074,755this patent
May 2035
May 2035
Application PCT/US2015/010916PCT application
no patent term
no patent term
Application PCT/US2015/010913PCT application
no patent term
no patent term
US 9,496,427In force
Jan 2034
Jan 2034
US 10,115,839In force
Jan 2034
Jan 2034
8 of 9 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
Dec 10, 2014
Reel 34455, frame 801
Yang, Bobby; Nguyen, Peter P.; Heng, Jiunn Benjamin; Reddy, Anand J.; Xu, ZhengSilevo, Inc.Assignment of Assignor's Interest
May 4, 2015
Reel 35559, frame 179
Silevo LLCSolarcity CorporationAssignment of Assignor's Interest
Jan 22, 2016
Reel 37557, frame 398
Silevo, Inc.; Sunflower Acquisition LLCSilevo, LLCMerger and Change of Name
May 6, 2021
Reel 56172, frame 62
Solarcity CorporationTesla, 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.

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited