Term ends Mar 13, 2040 · Medium confidence
20-year base term ends Apr 10, 2039
Why Medium: A parent in the chain could not be resolved.
Held by Mpi, LLC
Filed Apr 10, 2019 as application 16/380,194 · Granted Sep 28, 2021
Base term plus 338 days of patent term adjustment (USPTO delay)
Today
2019
2040
Clock starts
Apr 10, 2019
Apr 10, 2019
Term ends
Mar 13, 2040
Mar 13, 2040
Granted
Sep 28, 2021
Sep 28, 2021
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
338
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.
10
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 338 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 Apr 10, 2019, when this application, 16/380,194, was filed; a parent in its chain could not be resolved (the next row) | Apr 10, 2039 | 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 | +338 days, USPTO patent term adjustment record | Mar 13, 2040 | 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 | Mar 13, 2040 | Medium confidence |
This family
| US 11,130,596 | this patent Mar 2040 | Mar 2040 |
| US 11,246,336 | In force Apr 2040 | Apr 2040 |
| US 11,148,835 | In force Nov 2039 | Nov 2039 |
| US 11,918,032 | In force Jan 2043 | Jan 2043 |
| US 11,485,523 | In force Apr 2039 | Apr 2039 |
| US 11,414,221 | In force Apr 2039 | Apr 2039 |
| US 11,649,077 | In force Apr 2039 | Apr 2039 |
| US 11,945,611 | In force Apr 2039 | Apr 2039 |
8 of 10 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 |
|---|---|---|---|
| Feb 4, 2020 Reel 51717, frame 161 | Holderman, Mark W; Russell, Gregory A. | Mpi, 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
Mar 2040
Term ends Mar 13, 2040. Maintenance fees still fall due before then
Note
The 338 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
4
later US patents cite this one
That is above the median of utility patents granted in 2021 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.