Also listed on SCK Cen Son, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jun 25, 2044 · High confidence
20-year base term ends Mar 10, 2043
Held by Ion Beam Applications
Filed Mar 10, 2023 as application 18/119,898 · Granted Aug 25, 2026
Base term plus 473 days of patent term adjustment (USPTO delay)
Today
2023
2044
Clock starts
Mar 10, 2023
Mar 10, 2023
Term ends
Jun 25, 2044
Jun 25, 2044
Granted
Aug 25, 2026
Aug 25, 2026
base term
patent term adjustment
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
473
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 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.
This patent's term runs 473 days past its 20-year base term on prosecution delay. 0 of 3 maintenance fees are 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 10, 2023, when this application, 18/119,898, was filed | Mar 10, 2043 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +473 days, USPTO patent term adjustment record | Jun 25, 2044 | 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 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jun 25, 2044 | High confidence |
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 |
|---|---|---|---|
| Apr 19, 2023 Reel 63369, frame 973 | Geets, Jean-michel; Stichelbaut, Frederic; De Neuter, Sébastien; Abs, Michel; Bertrand, Samy; Leysen, Willem; Popescu, Lucia | Ion Beam Applications | Assignment of Assignor's Interest |
| Jun 11, 2026 Reel 76612, frame 623 | Geets, Jean-michel; Stichelbaut, Frederic; De Neuter, Sébastien; Abs, Michel; Bertrand, Samy; Leysen, Willem; Popescu, Lucia | Ion Beam Applications S.A.; SCK Cen Son | Corrective Assignment to Correct the Second Assignee on the Coversheet Previously Recorded on Reel 63369 Frame 973. Assignor(S) Hereby Confirms the Assignment. |
| Jun 11, 2026 reel/frame not recorded | Abs, Michel; Geets, Jean-michel; Leysen, Willem; Stichelbaut, Frederic; De Neuter, Sébastien; Popescu, Lucia; Bertrand, Samy | Ion Beam Applications S.A. | Corrective Assignment to Correct the Second Assignee on the Coversheet Previously Recorded on Reel 63369 Frame 973. Assignor(S) Hereby Confirms the Assignment. |
| Jun 11, 2026 reel/frame not recorded | Abs, Michel; Geets, Jean-michel; Leysen, Willem; Stichelbaut, Frederic; De Neuter, Sébastien; Popescu, Lucia; Bertrand, Samy | SCK Cen Son | Corrective Assignment to Correct the Second Assignee on the Coversheet Previously Recorded on Reel 63369 Frame 973. Assignor(S) Hereby Confirms the Assignment. |
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.
What's changing
Jun 2044
Term ends Jun 25, 2044. Maintenance fees still fall due before then
Note
The 473 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
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.