Term ends Nov 12, 2027 · High confidence
Held by Sanofi-Aventis S.A.
Filed Feb 22, 2008 as application 29/301,323 · Granted Nov 12, 2013
Base term, 14 years from grant
Today
2013
2027
Clock starts
Nov 12, 2013
Nov 12, 2013
Term ends
Nov 12, 2027
Nov 12, 2027
base term
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
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
14 years from grant
Base term
No maintenance fees are payable on this kind of patent.
This patent's term is its base term, 14 years from grant, with no adjustment for prosecution delay. No maintenance fees are payable on this kind of patent. 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, 14 years from grant | Granted Nov 12, 2013 | Nov 12, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Computed term end | The steps above, in order | Nov 12, 2027 | 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 |
|---|---|---|---|
| May 12, 2008 Reel 20938, frame 795 | Mayer, Stefan | Siegfried Generics International AG | Assignment of Assignor's Interest |
| Sep 14, 2012 Reel 28985, frame 118 | Siegfried Generics International AG | Sanofi S.A. | Nunc Pro Tunc Assignment |
| Feb 5, 2015 Reel 34893, frame 471 | Siegfried Generics International AG | Siegfried International AG | Change of Name |
| Feb 10, 2015 Reel 34937, frame 842 | Siegfried International AG | Sanofi-Aventis 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
No maintenance fees are payable on this kind of patent, so the record carries no fee events.
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Alerts on its grants, lapses and transfers.
What's changing
Nov 2027
Term ends Nov 12, 2027. No maintenance fees are payable on this kind of patent
Citations
25
later US patents cite this one
That is above the median of design patents granted in 2013 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.