Term ended no later than Sep 30, 2026 · Medium confidence
20-year base term ended Aug 25, 2024
Aug 25, 2004
Sep 30, 2026
May 24, 2011
This patent's term runs 766 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. All three maintenance fees were paid, so no fee lapse ended it. Confidence: Medium. from the record
How we calculated this date
| 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 May 10, 2007) | Aug 25, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +766 days, USPTO patent term adjustment record | Sep 30, 2026 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium 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 | no later than Sep 30, 2026 | 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 | this patent 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 | Term ended Dec 2024 | Dec 2024 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jan 14, 2008 Reel 20360, frame 21 | Moncla, Brad M.; Kalinowski, Matthew J.; Diehl, Charles F.; Schmidt, Dale C.; Liang, Wenbin; Maak, Kevin D.; Strandburg, Gary M.; Speth, David R. | Dow Global Technologies Inc. | Assignment of Assignor's Interest |
| Mar 17, 2011 Reel 25980, frame 40 | Dow Global Technologies Inc. | Dow Global Technologies LLC | 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.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Sep 30, 2026. We will not guess the cap.