Term ends Apr 16, 2038 · Medium confidence
20-year base term ends Jun 20, 2037
Why Medium: A parent in the chain could not be resolved.
Held by Cavh LLC
Filed Jul 12, 2019 as application 16/509,615 · Granted Oct 25, 2022
Base term plus 300 days of patent term adjustment (USPTO delay)
Today
2017
2038
Clock starts
Jun 20, 2017
Jun 20, 2017
Term ends
Apr 16, 2038
Apr 16, 2038
Granted
Oct 25, 2022
Oct 25, 2022
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
300
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
33
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 300 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is paid so far. 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 Jun 20, 2017, when application 15/628,331, the earliest non-provisional in its chain, was filed (this one was filed Jul 12, 2019); a parent in its chain could not be resolved (the next row) | Jun 20, 2037 | 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 | +300 days, USPTO patent term adjustment record | Apr 16, 2038 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | Apr 16, 2038 | Medium confidence |
This family
| US 10,380,886 | In force Feb 2038 | Feb 2038 |
| Application PCT/US2018/012961 | PCT application no patent term | no patent term |
| US 10,692,365 | In force Jun 2037 | Jun 2037 |
| US 11,482,102 | this patent Apr 2038 | Apr 2038 |
| US 11,430,328 | In force Jun 2037 | Jun 2037 |
| US 11,881,101 | In force Jun 2037 | Jun 2037 |
| US 11,735,035 | In force Jun 2037 | Jun 2037 |
| US 12,008,893 | In force no later than Jun 2037 | no later than Jun 2037 |
8 of 33 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 |
|---|---|---|---|
| Sep 23, 2019 Reel 50463, frame 858 | Ran, Bin; Cheng, Yang; Li, Shen; Ding, Fan; Jin, Jing; Chen, Xiaoxuan; Zhang, Zhen | Cavh LLC | 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
Apr 2038
Term ends Apr 16, 2038. Maintenance fees still fall due before then
Note
The 300 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
11
later US patents cite this one
That is top 10% of utility patents granted in 2022 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.