Lapsed Aug 16, 2023 on the fee record · High confidence
20-year base term ended Apr 25, 2023
Third maintenance fee unpaid; grace period ended.
Apr 25, 2003
Aug 16, 2023
Aug 16, 2011
Jun 1, 2024
Its term would have run to Jun 1, 2024: its 20-year base term plus 403 days of term adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. Confidence: High. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Apr 25, 2003, when application 10/424,532, the earliest non-provisional in its chain, was filed (this one was filed Feb 4, 2008) | Apr 25, 2023 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +403 days, USPTO patent term adjustment record | Jun 1, 2024 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,366,919, US 7,640,590) | resolves to Jun 1, 2024, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | lapsed Aug 16, 2023 | High confidence |
| Computed term end | The steps above, in order | Aug 16, 2023 | High confidence |
This family
| US 7,366,919 | Term ended May 2025 | May 2025 |
| US 7,640,590 | Lapsed on the fee record Dec 2021 | Dec 2021 |
| US 7,739,494 | In force Nov 2026 | Nov 2026 |
| US 8,001,598 | this patent Aug 2023 | Aug 2023 |
| US 8,359,649 | Term ended Apr 2023 | Apr 2023 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Nov 21, 2019 Reel 51144, frame 918 | Symantec Corporation | CA, Inc. | Assignment of Assignor's Interest |
| Feb 26, 2021 Reel 55422, frame 865 | Sobel, William E.; McCorkendale, Bruce | Symantec Corporation | 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 resolved from the filed document, referencing US 7,366,919, US 7,640,590, ends no earlier than this term, so it caps nothing.