Term ends no later than Aug 29, 2027 · Medium confidence
20-year base term ended Jan 31, 2025
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Jan 31, 2005
Aug 29, 2027
Mar 16, 2010
This patent's term runs 940 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 are recorded paid; no more fees are due. 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 Jan 31, 2005, when application 11/047,468, the earliest non-provisional in its chain, was filed (this one was filed Mar 7, 2005) | Jan 31, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +940 days, USPTO patent term adjustment record | Aug 29, 2027 | 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 | In force | High confidence |
| Computed term end | The steps above, in order | no later than Aug 29, 2027 | Medium confidence |
This family
| US 7,685,148 | Lapsed on the fee record Mar 2022 | Mar 2022 |
| US 7,680,799 | this patent no later than Aug 2027 | no later than Aug 2027 |
| US 7,454,427 | Term ended Oct 2025 | Oct 2025 |
| US 7,478,097 | Term ended Feb 2026 | Feb 2026 |
| US 7,571,154 | Lapsed on the fee record Aug 2021 | Aug 2021 |
| Application PCT/US2006/003028 | PCT application no patent term | no patent term |
| Application PCT/US2006/003436 | PCT application no patent term | no patent term |
| Application PCT/US2006/003437 | PCT application no patent term | no patent term |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| May 9, 2005 Reel 16532, frame 931 | Jackson, Jerry R.; Collins, Doreen E.; Murrish, Randall L.; Emeis, Mark W.; Forney, Brian C.; Engquist, James D. | Cassatt Corporation | Assignment of Assignor's Interest |
| May 15, 2009 Reel 22689, frame 94 | Cassatt Corporation | CA, Inc. | Security Agreement |
| Jun 8, 2009 Reel 22793, frame 113 | Cassatt Corporation | Computer Associates Think, Inc. | 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.
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 Aug 29, 2027. We will not guess the cap.