Lapsed Aug 1, 2025 on the fee record · Medium confidence
20-year base term ends Nov 20, 2032
Why Medium: A parent in the chain could not be resolved.
Second maintenance fee unpaid; grace period ended.
Held by Kenu, Inc.
Filed Jun 10, 2015 as application 14/736,090 · Granted Aug 1, 2017
Base term, 20 years from filing
Today
Lapsed Aug 1, 2025
2012
2032
Clock starts
Nov 20, 2012
Nov 20, 2012
No longer in force
Aug 1, 2025
Aug 1, 2025
Granted
Aug 1, 2017
Aug 1, 2017
Term would have run to
Nov 20, 2032
Nov 20, 2032
base term
after the term ends
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.
1 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.
4
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Nov 20, 2032: its 20-year base term, with no adjustment for prosecution delay. Confidence: Medium. 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 Nov 20, 2012, when application 29/437,793, the earliest non-provisional in its chain, was filed (this one was filed Jun 10, 2015); a parent in its chain could not be resolved (the next row) | Nov 20, 2032 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium 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 | 1 of 3 maintenance fees paid | lapsed Aug 1, 2025 | High confidence |
| Computed term end | The steps above, in order | Aug 1, 2025 | Medium confidence |
This family
| US 9,080,714 | In force Nov 2032 | Nov 2032 |
| Application PCT/US2014/038253 | PCT application no patent term | no patent term |
| US 9,718,412 | this patent Aug 2025 | Aug 2025 |
3 of 4 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 |
|---|---|---|---|
| Jul 31, 2015 Reel 36228, frame 307 | Yao, David | Daymen US, Inc. | Assignment of Assignor's Interest |
| Nov 17, 2015 Reel 37059, frame 443 | Minn, Kenneth Y.; Yao, David E. | Kenu, Inc. | Assignment of Assignor's Interest |
| Dec 2, 2015 Reel 37196, frame 879 | Kenu, Inc. | Kenu, Inc. | Correction by Declaration of Incorrect Property for U.S. Patent Application Serial No. 14/736,090 Recorded at Reel/Frame No. 36228/307 |
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.
Citations
26
later US patents cite this one
That is top 25% of utility patents granted in 2017 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.