Term ends Jul 14, 2029 · Medium confidence
20-year base term ends Nov 12, 2028
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,440,113), so the cap could be lower.
Held by BASF SE
Filed Jul 28, 2010 as application 12/742,126 · Granted Nov 15, 2016
Base term plus 244 days of patent term adjustment (USPTO delay)
Today
2008
2029
Clock starts
Nov 12, 2008
Nov 12, 2008
Term ends
Jul 14, 2029
Jul 14, 2029
Granted
Nov 15, 2016
Nov 15, 2016
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
244
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,440,113, to Jul 14, 2029. The term already ends on or before that date, so the cap shortened nothing.
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.
39
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 244 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 2 of 3 maintenance fees are paid so far. Confidence: Medium. 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 12, 2008, when application PCT/JP2008/003290, the earliest non-provisional in its chain, was filed (this one was filed Jul 28, 2010) | Nov 12, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +244 days, USPTO patent term adjustment record | Jul 14, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,440,113) | resolves to Jul 14, 2029, no earlier than this term, so no change | Medium 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 | Jul 14, 2029 | Medium confidence |
This family
| US 9,496,551 | this patent Jul 2029 | Jul 2029 |
| Application 13/121,229 | Abandoned not computed | not computed |
| US 9,505,631 | In force Apr 2032 | Apr 2032 |
| US 9,249,034 | In force Mar 2033 | Mar 2033 |
| Application 13/503,215 | Abandoned not computed | not computed |
| US 8,986,571 | In force Jan 2032 | Jan 2032 |
| Application 13/825,584 | Abandoned not computed | not computed |
| US 9,378,876 | In force no later than Aug 2032 | no later than Aug 2032 |
8 of 39 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 |
|---|---|---|---|
| Jul 28, 2010 Reel 24769, frame 692 | Koga, Kazumichi; Uegami, Masayuki; Kajiyama, Akihisa; Ishizaki, Kazutoshi; Sadamura, Hideaki | Toda Kogyo Corporation | Assignment of Assignor's Interest |
| Jul 1, 2026 Reel 75145, frame 116 | Toda Kogyo Corp. | BASF SE | Nunc Pro Tunc Assignment |
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
Jul 2029
Term ends Jul 14, 2029. Maintenance fees still fall due before then
Note
The 244 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,440,113, ends no earlier than this term, so it caps nothing.
Citations
14
later US patents cite this one
That is top 25% of utility patents granted in 2016 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.