Term ends Mar 22, 2040 · High confidence
20-year base term ends May 14, 2038
Held by Brainlab Robotics GmbH
Filed Nov 22, 2019 as application 16/616,436 · Granted May 2, 2023
Base term plus 678 days of patent term adjustment (USPTO delay)
Today
2018
2040
Clock starts
May 14, 2018
May 14, 2018
Term ends
Mar 22, 2040
Mar 22, 2040
Granted
May 2, 2023
May 2, 2023
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
678
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.
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 runs 678 days past its 20-year base term on prosecution delay. 1 of 3 maintenance fees is 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 May 14, 2018, when application PCT/EP2018/062306, the earliest non-provisional in its chain, was filed (this one was filed Nov 22, 2019) | May 14, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +678 days, USPTO patent term adjustment record | Mar 22, 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 22, 2040 | High confidence |
This family
| US 11,638,617 | this patent Mar 2040 | Mar 2040 |
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 29, 2019 Reel 51138, frame 576 | Nowatschin, Stephan; Krinninger, Maximilian; Kühnau, Christian; Roppenecker, Daniel; Gierlach, Dominik; Agricola, Johannes; Wigger, Johann Ulrich | Medineering GmbH | Assignment of Assignor's Interest |
| Feb 28, 2021 Reel 55439, frame 34 | Medineering GmbH | Brainlab Robotics GmbH | Change of Name |
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
Mar 2040
Term ends Mar 22, 2040. Maintenance fees still fall due before then
Note
The 678 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
3
later US patents cite this one
That is top 25% of utility patents granted in 2023 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.