Term ends Jan 18, 2039 · High confidence
20-year base term ends Mar 26, 2038
Held by SEB S.A.
Filed Mar 26, 2018 as application 15/935,824 · Granted Oct 27, 2020
Base term plus 298 days of patent term adjustment (USPTO delay)
Today
2018
2039
Clock starts
Mar 26, 2018
Mar 26, 2018
Term ends
Jan 18, 2039
Jan 18, 2039
Granted
Oct 27, 2020
Oct 27, 2020
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
298
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.
41
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 298 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 Mar 26, 2018, when this application, 15/935,824, was filed | Mar 26, 2038 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +298 days, USPTO patent term adjustment record | Jan 18, 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 | Jan 18, 2039 | High confidence |
This family
| US 11,096,520 | In force Jun 2039 | Jun 2039 |
| US 10,813,491 | this patent Jan 2039 | Jan 2039 |
| US 11,248,335 | In force Nov 2039 | Nov 2039 |
| US 11,141,036 | In force Oct 2039 | Oct 2039 |
| US 11,930,958 | In force Mar 2042 | Mar 2042 |
| US 11,160,421 | In force May 2040 | May 2040 |
| US 11,304,556 | Lapsed on the fee record Apr 2026 | Apr 2026 |
| US 11,098,440 | In force Oct 2039 | Oct 2039 |
8 of 41 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 |
|---|---|---|---|
| May 23, 2018 Reel 45885, frame 853 | Delrue, Olivier; Seurat, Frédéric; Petitallot, Johann; Bizard, Jean-claude; Lordonnois, Rodolphe; Cornu, Jérémy | SEB S.A. | 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
Jan 2039
Term ends Jan 18, 2039. Maintenance fees still fall due before then
Note
The 298 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 above the median of utility patents granted in 2020 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.