Also listed on Siemens Vai Metals Technologies GmbH, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 5, 2031 · High confidence
20-year base term ends Feb 2, 2029
Held by Clecim SAS
Filed Jul 28, 2011 as application 13/146,696 · Granted Mar 3, 2015
Base term plus 883 days of patent term adjustment (USPTO delay)
Today
2009
2031
Clock starts
Feb 2, 2009
Feb 2, 2009
Term ends
Jul 5, 2031
Jul 5, 2031
Granted
Mar 3, 2015
Mar 3, 2015
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
883
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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 883 days past its 20-year base term on prosecution delay. 2 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 Feb 2, 2009, when application PCT/FR2009/000113, the earliest non-provisional in its chain, was filed (this one was filed Jul 28, 2011) | Feb 2, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +883 days, USPTO patent term adjustment record | Jul 5, 2031 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 5, 2031 | High confidence |
This family
| US 8,966,951 | this patent Jul 2031 | Jul 2031 |
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 |
|---|---|---|---|
| Jul 24, 2013 Reel 30866, frame 329 | Cronier, Vincent; Rossigneux, Bernard | Siemens Vai Metals Technologies SAS | Assignment of Assignor's Interest |
| Sep 23, 2015 Reel 36636, frame 574 | Siemens Vai Metals Technologies SAS | Primetals Technologies France SAS | Change of Name |
| Aug 24, 2021 Reel 57272, frame 533 | Primetals Technologies France S.A.S. | Clecim SAS | 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.
What's changing
Jul 2031
Term ends Jul 5, 2031.
Note
The 883 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
5
later US patents cite this one
That is below the median of utility patents granted in 2015 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.