Term ends Mar 11, 2035 · High confidence
20-year base term ends Sep 22, 2034
Held by Dow Global Technologies LLC
Filed Apr 27, 2016 as application 15/032,401 · Granted Jul 10, 2018
Base term plus 170 days of patent term adjustment (USPTO delay)
Today
2014
2035
Clock starts
Sep 22, 2014
Sep 22, 2014
Term ends
Mar 11, 2035
Mar 11, 2035
Granted
Jul 10, 2018
Jul 10, 2018
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
170
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 170 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 Sep 22, 2014, when application PCT/US2014/056737, the earliest non-provisional in its chain, was filed (this one was filed Apr 27, 2016) | Sep 22, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +170 days, USPTO patent term adjustment record | Mar 11, 2035 | 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 | Mar 11, 2035 | High confidence |
This family
| Application PCT/US2014/056737 | PCT application no patent term | no patent term |
| US 10,016,736 | this patent Mar 2035 | Mar 2035 |
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 |
|---|---|---|---|
| Apr 13, 2017 Reel 41997, frame 312 | Pretz, Matthew T. | Dow Global Technologies LLC | Assignment of Assignor's Interest |
| Apr 13, 2017 Reel 41997, frame 345 | Shaw, Don F.; Walter, Richard E. | Carmagen Engineering | Assignment of Assignor's Interest |
| Apr 13, 2017 Reel 41997, frame 366 | Carmagen Engineering | The Dow Chemical Company | Assignment of Assignor's Interest |
| Apr 13, 2017 Reel 41997, frame 396 | The Dow Chemical Company | Dow Global Technologies LLC | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Mar 2035
Term ends Mar 11, 2035. Maintenance fees still fall due before then
Note
The 170 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
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.