Term ends Jul 21, 2030 · High confidence
20-year base term ends Jul 21, 2030
Held by Hanwha Solutions Corporation
Filed Feb 28, 2013 as application 13/781,554 · Granted Dec 9, 2014
Base term, 20 years from filing
Today
2010
2030
Clock starts
Jul 21, 2010
Jul 21, 2010
Term ends
Jul 21, 2030
Jul 21, 2030
Granted
Dec 9, 2014
Dec 9, 2014
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
2
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 is its 20-year base term, with no adjustment for prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Jul 21, 2010, when application 12/841,023, the earliest non-provisional in its chain, was filed (this one was filed Feb 28, 2013) | Jul 21, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 21, 2030 | High confidence |
This family
| US 8,410,634 | In force Jun 2031 | Jun 2031 |
| US 8,907,522 | this patent Jul 2030 | Jul 2030 |
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 |
|---|---|---|---|
| Mar 1, 2013 Reel 29909, frame 24 | Park, Jong-ho | Samsung SDI Co., Ltd. | Assignment of Assignor's Interest |
| Nov 23, 2016 Reel 40414, frame 63 | Samsung SDI Co., Ltd. | Hansol Technics Co., Ltd. | Assignment of Assignor's Interest |
| Jul 20, 2020 Reel 53259, frame 244 | Hanwha Q Cells & Advanced Materials Corporation | Hanwha Global Asset Corporation | Change of Name |
| Jul 21, 2020 Reel 53270, frame 931 | Hanwha Global Asset Corporation | Hanwha Solutions Corporation | 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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Alerts on its grants, lapses and transfers.
What's changing
Jul 2030
Term ends Jul 21, 2030. No further fees fall due before then
Citations
11
later US patents cite this one
That is above the median of utility patents granted in 2014 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.