Term ends Nov 22, 2039 · 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 16/380,155 · Granted Oct 19, 2021
Base term plus 226 days of patent term adjustment (USPTO delay)
Today
2019
2039
Clock starts
Apr 10, 2019
Apr 10, 2019
Term ends
Nov 22, 2039
Nov 22, 2039
Granted
Oct 19, 2021
Oct 19, 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
226
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 226 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, 16/380,155, 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 | +226 days, USPTO patent term adjustment record | Nov 22, 2039 | 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 | Nov 22, 2039 | Medium confidence |
This family
| US 11,130,596 | In force Mar 2040 | Mar 2040 |
| US 11,246,336 | In force Apr 2040 | Apr 2040 |
| US 11,148,835 | this patent 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 73 | Holderman, Mark W.; Russell, Gregory A. | Mpi, LLC | Assignment of Assignor's Interest |
| Feb 4, 2020 Reel 51717, frame 103 | 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
Nov 2039
Term ends Nov 22, 2039. Maintenance fees still fall due before then
Note
The 226 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
6
later US patents cite this one
That is top 25% 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.