Term ends Jan 15, 2035 · High confidence
20-year base term ends Jan 15, 2035
Held by Specialty Operations France
Filed Jul 12, 2016 as application 15/110,971 · Granted Feb 20, 2018
Base term, 20 years from filing
Today
2015
2035
Clock starts
Jan 15, 2015
Jan 15, 2015
Term ends
Jan 15, 2035
Jan 15, 2035
Granted
Feb 20, 2018
Feb 20, 2018
base term
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.
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.
67
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 is its 20-year base term, with no adjustment for 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 Jan 15, 2015, when application PCT/EP2015/050669, the earliest non-provisional in its chain, was filed (this one was filed Jul 12, 2016) | Jan 15, 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 | 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 | Jan 15, 2035 | High confidence |
This family
| US 10,017,681 | Lapsed on the fee record Jul 2022 | Jul 2022 |
| US 9,896,463 | this patent Jan 2035 | Jan 2035 |
| US 9,969,670 | Lapsed on the fee record 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 |
|---|---|---|---|
| Oct 16, 2017 Reel 43872, frame 883 | Woodward, Gary | 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.
What's changing
Jan 2035
Term ends Jan 15, 2035. Maintenance fees still fall due before then
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.