Surrendered on reissue Sep 29, 2015 · Low confidence
20-year base term ended Dec 6, 2025
Surrendered on reissue Sep 29, 2015 · its term and maintenance fees continue in US RE45,703 and US RE46,921 and US RE48,084.
Dec 6, 2005
Sep 29, 2015
Oct 2, 2012
Dec 6, 2025
This patent's term runs 395 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. USPTO's record of this patent carries no fee events, so no fee is counted as paid or unpaid. Confidence: Low. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 6, 2005, when application 11/295,133, the earliest non-provisional in its chain, was filed (this one was filed Feb 23, 2009) | Dec 6, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +395 days, USPTO patent term adjustment record | Jan 5, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,179,561) | capped to Dec 6, 2025 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | No fee events in USPTO's record of this patent. A gap in the record, not evidence of lapse | no change | Medium confidence |
| Reissue | US RE45,703 and US RE46,921 and US RE48,084 issued Sep 29, 2015, and this patent's term continues in it (35 U.S.C. 251, 252) | surrendered Sep 29, 2015 | High confidence |
| Further caveats on record | surrendered on reissue RE45703,RE46921,RE48084 | Low confidence overall | Low confidence |
| Surrendered on reissue | The steps above, in order | Sep 29, 2015 | Low confidence |
This family
| US 7,179,561 | Term ended Dec 2025 | Dec 2025 |
| US 7,939,218 | In force Mar 2029 | Mar 2029 |
| US 7,977,013 | Term ended Dec 2025 | Dec 2025 |
| US 7,842,432 | In force Nov 2027 | Nov 2027 |
| US 7,977,007 | Term ended Dec 2025 | Dec 2025 |
| US 8,278,011 | this patent Sep 2015 | Sep 2015 |
| US 8,357,475 | Term ended Dec 2025 | Dec 2025 |
| US 8,440,369 | Term ended Dec 2025 | Dec 2025 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Apr 30, 2009 Reel 22622, frame 534 | Zhu, Yimin; Goldman, Jay L.; Qian, Baixin; Stefan, Ionel C. | Nanosys, Inc. | Assignment of Assignor's Interest |
| Dec 13, 2012 Reel 29496, frame 312 | Nanosys, Inc. | Energy, United States Department Of | Confirmatory License |
| Apr 25, 2013 Reel 30285, frame 829 | PRVP Holdings, LLC | Nanosys, Inc. | Security Agreement |
| Jun 12, 2013 Reel 30599, frame 907 | Nanosys, Inc. | Nanosys, Inc. | Release of Security Interest |
| Feb 13, 2014 Reel 32264, frame 148 | Nanosys, Inc. | OneD Material LLC | Assignment of Assignor's Interest |
| Mar 14, 2014 Reel 32447, frame 937 | OneD Material LLC | Mpeg La, L.l.c. | Security Interest |
| Nov 5, 2014 Reel 34171, frame 227 | OneD Material LLC | Mpeg La, L.l.c. | Security Interest |
| Oct 15, 2016 Reel 40373, frame 484 | Mpeg La, L.l.c | OneD Material LLC | Release of Security Interest |
| Jul 31, 2020 Reel 53375, frame 462 | OneD Material LLC | OneD Material, Inc. | Change of Name |
| Jul 26, 2024 Reel 68174, frame 120 | OneD Material, Inc. | Volta Energy Technologies, LLC, as Collateral Agent | Patent Security Agreement |
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
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,179,561.