Also listed on BASF Construction Polymers GmbH, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Apr 23, 2031 · High confidence
20-year base term ends Nov 8, 2030
Held by BASF Construction Solutions GmbH
Filed Sep 5, 2012 as application 13/509,083 · Granted Apr 14, 2015
Base term plus 166 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Nov 8, 2010
Nov 8, 2010
Term ends
Apr 23, 2031
Apr 23, 2031
Granted
Apr 14, 2015
Apr 14, 2015
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
166
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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 166 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Nov 8, 2010, when application PCT/EP2010/066994, the earliest non-provisional in its chain, was filed (this one was filed Sep 5, 2012) | Nov 8, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +166 days, USPTO patent term adjustment record | Apr 23, 2031 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 23, 2031 | High confidence |
This family
| US 9,005,759 | this patent Apr 2031 | Apr 2031 |
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 |
|---|---|---|---|
| Sep 5, 2012 Reel 28897, frame 619 | Maier, Markus; Theissig, Daniele; Prosiegel, Klaus; Goldbrunner, Johann | BASF Construction Polymers GmbH | Assignment of Assignor's Interest |
| Feb 18, 2015 Reel 35034, frame 213 | BASF Construction Polymers GmbH | BASF Construction Solutions GmbH | Change of Name |
| Apr 21, 2016 Reel 38338, frame 529 | BASF Construction Polymers GmbH | BASF Construction Chemicals GmbH | Merger |
| Apr 26, 2016 Reel 38385, frame 369 | BASF Construction Chemicals GmbH | BASF Construction Solutions | Change of Name |
| May 9, 2016 Reel 38746, frame 890 | BASF Construction Chemicals GmbH | BASF Construction Solutions GmbH | Corrective Assignment to Correct the Assignee Name Previously Recorded at Reel: 038385 Frame: 0369. Assignor(S) Hereby Confirms the Change of Name. |
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
Apr 2031
Term ends Apr 23, 2031. No further fees fall due before then
Note
The 166 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 2015 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.