Also listed on Institut Francais des Sciences et Technologies des Transports, de l'Amenagement et des Reseaux, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Jul 30, 2036 · High confidence
20-year base term ends Mar 24, 2036
Held by Soletanche Freyssinet and Institut Francais des Sciences et Technologies des Transports, de l'Amenagement et des Reseaux
Filed Sep 21, 2017 as application 15/560,481 · Granted Oct 27, 2020
Base term plus 128 days of patent term adjustment (USPTO delay)
Today
2016
2036
Clock starts
Mar 24, 2016
Mar 24, 2016
Term ends
Jul 30, 2036
Jul 30, 2036
Granted
Oct 27, 2020
Oct 27, 2020
base term
patent term adjustment
fee events
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
128
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.
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 128 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 24, 2016, when application PCT/FR2016/050671, the earliest non-provisional in its chain, was filed (this one was filed Sep 21, 2017) | Mar 24, 2036 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +128 days, USPTO patent term adjustment record | Jul 30, 2036 | 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 | Jul 30, 2036 | High confidence |
This family
| US 10,816,511 | this patent Jul 2036 | Jul 2036 |
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 |
|---|---|---|---|
| Dec 3, 2019 Reel 51166, frame 197 | Laguerre, Laurent; Durand, Olivier | Soletanche Freyssinet | Assignment of Assignor's Interest |
| Sep 11, 2020 Reel 53744, frame 904 | Laguerre, Laurent; Durand, Olivier | Soletanche Freyssinet; Institut Francais des Sciences et Technologies des Transports, de l'Amenagement et des Reseaux | Assignment of Assignor's Interest |
| Sep 11, 2020 reel/frame not recorded | Durand, Olivier; Laguerre, Laurent | Soletanche Freyssinet | Assignment of Assignor's Interest |
| Sep 11, 2020 reel/frame not recorded | Durand, Olivier; Laguerre, Laurent | Institut Francais des Sciences et Technologies des Transports, de l'Amenagement et des Reseaux | Assignment of Assignor's Interest |
| Sep 24, 2020 Reel 53868, frame 607 | Institut Francais des Sciences et Technologies des Transports, de l'Amenagement et des Reseaux | Universite Gustave Eiffel | Decree of the French Government |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Jul 2036
Term ends Jul 30, 2036. Maintenance fees still fall due before then
Note
The 128 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites this one
That is below 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.