Term ends Jun 18, 2043 · Medium confidence
20-year base term ends May 23, 2043
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 12,506,923), so the cap could be lower.
Held by Stereyo B.V.
Filed Jul 12, 2023 as application 18/351,243 · Granted Jun 16, 2026
Base term plus 483 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2023
2043
Clock starts
May 23, 2023
May 23, 2023
Term ends
Jun 18, 2043
Jun 18, 2043
Granted
Jun 16, 2026
Jun 16, 2026
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
483
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 12,506,923.
0 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.
18
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 483 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 0 of 3 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 May 23, 2023, when application 18/322,279, the earliest non-provisional in its chain, was filed (this one was filed Jul 12, 2023) | May 23, 2043 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +483 days, USPTO patent term adjustment record | Sep 17, 2044 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 12,506,923) | capped to Jun 18, 2043 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 18, 2043 | Medium confidence |
This family
| Application 18/322,279 | Pending not computed | not computed |
| US 12,100,363 | In force Jun 2043 | Jun 2043 |
| US 12,199,079 | In force Jun 2043 | Jun 2043 |
| US 12,080,224 | In force Jun 2043 | Jun 2043 |
| US 12,119,330 | In force Jun 2043 | Jun 2043 |
| US 12,656,992 | this patent Jun 2043 | Jun 2043 |
| US 12,185,585 | In force Aug 2043 | Aug 2043 |
| US 12,499,820 | In force Jun 2043 | Jun 2043 |
8 of 18 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 |
|---|---|---|---|
| Jul 13, 2023 Reel 64246, frame 88 | Thielemans, Robbie; Dundee, Vince | Stereyo B.V. | 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
Jun 2043
Term ends Jun 18, 2043. Maintenance fees still fall due before then
Note
The 483 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 12,506,923.
Citations
We have no citation count for this patent yet. That is not the same as never having been cited.
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.