Also listed on Silevo, Inc., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jan 29, 2034 · High confidence
20-year base term ends Jan 13, 2034
Held by Tesla, Inc.
Filed Oct 8, 2014 as application 14/510,008 · Granted Aug 9, 2016
Base term plus 16 days of patent term adjustment (USPTO delay)
Today
2014
2034
Clock starts
Jan 13, 2014
Jan 13, 2014
Term ends
Jan 29, 2034
Jan 29, 2034
Granted
Aug 9, 2016
Aug 9, 2016
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
16
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 9,219,174, US 9,412,884, to Jan 29, 2034. 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.
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 16 days past its 20-year base term on 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: 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.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Jan 13, 2014, when application 14/153,608, the earliest non-provisional in its chain, was filed (this one was filed Oct 8, 2014) | Jan 13, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +16 days, USPTO patent term adjustment record | Jan 29, 2034 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,219,174, US 9,412,884) | resolves to Jan 29, 2034, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jan 29, 2034 | High confidence |
This family
| Application PCT/US2014/011331 | PCT application no patent term | no patent term |
| US 9,219,174 | In force Feb 2034 | Feb 2034 |
| US 9,412,884 | this patent Jan 2034 | Jan 2034 |
| US 10,074,755 | In force May 2035 | May 2035 |
| Application PCT/US2015/010916 | PCT application no patent term | no patent term |
| Application PCT/US2015/010913 | PCT application no patent term | no patent term |
| US 9,496,427 | In force Jan 2034 | Jan 2034 |
| US 10,115,839 | In 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.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Oct 23, 2014 Reel 34019, frame 889 | Heng, Jiunn Benjamin; Fu, Jianming; Xu, Zheng; Yang, Bobby | Silevo, Inc. | Assignment of Assignor's Interest |
| May 4, 2015 Reel 35559, frame 179 | Silevo LLC | Solarcity Corporation | Assignment of Assignor's Interest |
| Jan 22, 2016 Reel 37557, frame 393 | Silevo, Inc.; Sunflower Acquisition LLC | Silevo, LLC | Merger and Change of Name |
| May 6, 2021 Reel 56172, frame 62 | Solarcity Corporation | Tesla, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jan 2034
Term ends Jan 29, 2034. Maintenance fees still fall due before then
Note
The 16 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 9,219,174, US 9,412,884, ends no earlier than this term, so it caps nothing.
Citations
87
later US patents cite this one
That is top 5% of utility patents granted in 2016 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.