Term ends Nov 20, 2033 · Medium confidence
20-year base term ends Jan 12, 2032
Why Medium: A parent in the chain could not be resolved.
Filed Mar 23, 2020 as application 16/826,858 · Granted Aug 1, 2023
Base term plus 678 days of patent term adjustment (USPTO delay)
Today
2012
2033
Clock starts
Jan 12, 2012
Jan 12, 2012
Term ends
Nov 20, 2033
Nov 20, 2033
Granted
Aug 1, 2023
Aug 1, 2023
base term
patent term adjustment
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
678
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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. 0 of 2 maintenance fees are 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 Jan 12, 2012, when application 13/349,353, the earliest non-provisional in its chain, was filed (this one was filed Mar 23, 2020); a parent in its chain could not be resolved (the next row) | Jan 12, 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 | +678 days, USPTO patent term adjustment record | Nov 20, 2033 | 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 | 0 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Nov 20, 2033 | Medium confidence |
This family
| US 9,101,445 | In force Nov 2033 | Nov 2033 |
| US 9,655,779 | In force Jan 2032 | Jan 2032 |
| US 10,603,214 | In force Jan 2032 | Jan 2032 |
| US 11,712,371 | this patent Nov 2033 | Nov 2033 |
| US 12,589,030 | In force Jan 2032 | Jan 2032 |
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 |
|---|---|---|---|
| May 25, 2020 Reel 52743, frame 468 | Bigler, Stephane; Stergiopulos, Nikolaos | Ecole Polytechnique Federale de Lausanne (EPFL) | 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 2033
Term ends Nov 20, 2033. 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
0
later US patents cite this one
That is below the median 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.