Term ended Dec 31, 2024 · Medium confidence
20-year base term ended Aug 25, 2024
Why Medium: A parent in the chain could not be resolved.
Held by Dow Global Technologies LLC
Filed Mar 2, 2011 as application 13/039,138 · Granted Jan 8, 2013
Base term plus 128 days of patent term adjustment (USPTO delay)
Today
Term ended Dec 31, 2024
2004
2026
Clock starts
Aug 25, 2004
Aug 25, 2004
Term ended
Dec 31, 2024
Dec 31, 2024
Granted
Jan 8, 2013
Jan 8, 2013
base term
patent term adjustment
after the term ends
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
128
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.
31
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 128 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Aug 25, 2004, when application 10/925,693, the earliest non-provisional in its chain, was filed (this one was filed Mar 2, 2011); a parent in its chain could not be resolved (the next row) | Aug 25, 2024 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +128 days, USPTO patent term adjustment record | Dec 31, 2024 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Dec 31, 2024 | Medium confidence |
This family
| US 7,803,865 | In force no later than Sep 2027 | no later than Sep 2027 |
| US 7,763,676 | Term ended no later than Mar 2025 | no later than Mar 2025 |
| US 7,947,776 | Term ended no later than Sep 2026 | no later than Sep 2026 |
| US 8,063,128 | Term ended no later than Aug 2024 | no later than Aug 2024 |
| US 8,158,711 | Term ended Jan 2025 | Jan 2025 |
| US 7,935,755 | Term ended Aug 2024 | Aug 2024 |
| US 8,053,503 | Term ended Aug 2024 | Aug 2024 |
| US 8,349,929 | this patent Dec 2024 | Dec 2024 |
8 of 31 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 |
|---|---|---|---|
| Dec 6, 2012 Reel 29418, frame 183 | Diehl, Charles F.; Young, Timothy J.; Malotky, David L. | Dow Global Technologies LLC | Assignment of Assignor's Interest |
| Dec 6, 2012 Reel 29418, frame 209 | The Dow Chemical Company | Dow Global Technologies LLC | Assignment of Assignor's Interest |
| Dec 6, 2012 Reel 29418, frame 302 | Kainz, Bernhard | Dow MF Produktions GmbH & Co. OHG | Assignment of Assignor's Interest |
| Dec 6, 2012 Reel 29418, frame 517 | Dow MF Produktions GmbH & Co. OHG | The Dow Chemical Company | Assignment of Assignor's Interest |
| Dec 6, 2012 Reel 29418, frame 665 | Lindenmuth, Denise | Rohm and Haas Chemicals LLC | Assignment of Assignor's Interest |
| Dec 6, 2012 Reel 29418, frame 701 | Rohm and Haas Chemicals LLC | Rohm and Haas Company | 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
Note
The 128 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
15
later US patents cite this one
That is above the median of utility patents granted in 2013 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.