Lapsed Jan 24, 2016 on the fee record · Medium confidence
20-year base term ended Feb 16, 2026
Why Medium: A parent in the chain could not be resolved.
First maintenance fee unpaid; grace period ended.
Feb 16, 2006
Jan 24, 2016
Jan 24, 2012
Feb 16, 2026
Its term would have run to Feb 16, 2026: its 20-year base term, with no 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: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Feb 16, 2006, when application 11/355,918, the earliest non-provisional in its chain, was filed (this one was filed Nov 10, 2010); a parent in its chain could not be resolved (the next row) | Feb 16, 2026 | 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 | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,466,420) | resolves to Feb 16, 2026, no earlier than this term, so no change | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 3 maintenance fees paid | lapsed Jan 24, 2016 | High confidence |
| Computed term end | The steps above, in order | Jan 24, 2016 | Medium confidence |
This family
| US 7,466,420 | In force Dec 2026 | Dec 2026 |
| US 7,463,359 | Term ended Sep 2026 | Sep 2026 |
| Application PCT/US2007/004290 | PCT application no patent term | no patent term |
| Application PCT/US2007/004241 | PCT application no patent term | no patent term |
| US 7,859,676 | In force Dec 2026 | Dec 2026 |
| US 8,102,534 | this patent Jan 2016 | Jan 2016 |
| US 8,310,680 | Term ended Feb 2026 | Feb 2026 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Oct 3, 2011 Reel 27007, frame 206 | Hyde, Roderick A. | Searete LLC | Assignment of Assignor's Interest |
| Oct 4, 2011 Reel 27011, frame 654 | Searete LLC | The Invention Science Fund I LLC | Assignment of Assignor's Interest |
| Jan 15, 2016 Reel 37540, frame 628 | The Invention Science Fund I, LLC | Deep Science, LLC | Assignment of Assignor's Interest |
| Sep 18, 2023 Reel 64943, frame 1 | Deep Science LLC | Enterprise Science Fund, LLC | 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.
A terminal disclaimer resolved from the filed document, referencing US 7,466,420, ends no earlier than this term, so it caps nothing.