Lapsed May 15, 2026 on the fee record · High confidence
20-year base term ends Jan 20, 2035
Second maintenance fee unpaid; grace period ended.
Held by Specialty Operations France
Filed Jul 13, 2016 as application 15/111,258 · Granted May 15, 2018
Base term, 20 years from filing · capped by a resolved terminal disclaimer
Today
Lapsed May 15, 2026
2015
2035
Clock starts
Jan 20, 2015
Jan 20, 2015
No longer in force
May 15, 2026
May 15, 2026
Granted
May 15, 2018
May 15, 2018
Term would have run to
Jul 11, 2033
Jul 11, 2033
base term
after the term ends
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
None
Term adjustment
No prosecution delay on this record.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 9,266,811.
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.
67
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Jul 11, 2033: its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Jan 20, 2015, when application PCT/EP2015/050972, the earliest non-provisional in its chain, was filed (this one was filed Jul 13, 2016) | Jan 20, 2035 | 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 | Disclaimer resolved from the filed document (refs US 9,266,811) | capped to Jul 11, 2033 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 3 maintenance fees paid | lapsed May 15, 2026 | High confidence |
| Computed term end | The steps above, in order | May 15, 2026 | High confidence |
This family
| US 10,017,681 | Lapsed on the fee record Jul 2022 | Jul 2022 |
| US 9,896,463 | In force Jan 2035 | Jan 2035 |
| US 9,969,670 | this patent May 2026 | May 2026 |
| Application 15/111,600 | Abandoned not computed | not computed |
| US 10,259,715 | In force Apr 2035 | Apr 2035 |
| Application 15/121,823 | Abandoned not computed | not computed |
| US 10,487,213 | Lapsed on the fee record Nov 2023 | Nov 2023 |
| Application 15/126,707 | Abandoned not computed | not computed |
8 of 67 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 |
|---|---|---|---|
| Jan 23, 2017 Reel 41047, frame 987 | Ardaud, Pierre; Rached, Rabih; Vidal, Thierry | Rhodia Operations | Assignment of Assignor's Interest |
| Nov 7, 2023 Reel 65488, frame 365 | Rhodia Operations | Specialty Operations France | Assignment of Assignor's Interest |
| Jan 26, 2024 Reel 66374, frame 642 | Rhodia Operations | Specialty Operations France | 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.
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 9,266,811.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2018 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.