Also listed on Beijing Founder Electronics Co., Ltd., an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Dec 31, 2032 · High confidence
20-year base term ends Dec 31, 2032
Held by New Founder Holdings Development Limited Liability Company, Peking University and Beijing Founder Electronics Co., Ltd.
Filed Nov 27, 2013 as application 14/122,951 · Granted Apr 28, 2015
Base term, 20 years from filing
Today
2012
2032
Clock starts
Dec 31, 2012
Dec 31, 2012
Term ends
Dec 31, 2032
Dec 31, 2032
Granted
Apr 28, 2015
Apr 28, 2015
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.
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.
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. 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 Dec 31, 2012, when application PCT/CN2012/088085, the earliest non-provisional in its chain, was filed (this one was filed Nov 27, 2013) | Dec 31, 2032 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Dec 31, 2032 | High confidence |
This family
| US 9,019,541 | this patent Dec 2032 | Dec 2032 |
1 of 2 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 |
|---|---|---|---|
| Nov 27, 2013 reel/frame not recorded | Chen, Feng; Shen, Hong; Xue, Lu | Peking University Founder Group Co., Ltd. | Assignment of Assignor's Interest |
| Nov 27, 2013 reel/frame not recorded | Chen, Feng; Shen, Hong; Xue, Lu | Peking University | Assignment of Assignor's Interest |
| Nov 27, 2013 reel/frame not recorded | Chen, Feng; Shen, Hong; Xue, Lu | Beijing Founder Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Nov 27, 2013 Reel 31687, frame 867 | Shen, Hong; Xue, Lu; Chen, Feng | Peking University Founder Group Co., Ltd.; Peking University; Beijing Founder Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Mar 2, 2023 reel/frame not recorded | Beijing Founder Electronics Co., Ltd.; Peking University; Peking University Founder Group Co., Ltd. | New Founder Holdings Development Limited Liability Company | Assignment of Assignor's Interest |
| Mar 2, 2023 reel/frame not recorded | Beijing Founder Electronics Co., Ltd.; Peking University; Peking University Founder Group Co., Ltd. | Peking University | Assignment of Assignor's Interest |
| Mar 2, 2023 reel/frame not recorded | Beijing Founder Electronics Co., Ltd.; Peking University; Peking University Founder Group Co., Ltd. | Beijing Founder Electronics Co., Ltd. | Assignment of Assignor's Interest |
| Mar 2, 2023 Reel 62848, frame 887 | Peking University Founder Group Co., Ltd.; Peking University; Beijing Founder Electronics Co., Ltd. | New Founder Holdings Development Limited Liability Company; Peking University; Beijing Founder Electronics Co., Ltd. | 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
Dec 2032
Term ends Dec 31, 2032.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2015 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.