Term ends Jan 23, 2027 · Medium confidence
20-year base term ends Jan 5, 2027
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,231,900), so the cap could be lower.
Jan 5, 2007
Jan 23, 2027
Jul 24, 2012
This patent's term runs 18 days past its 20-year base term on prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 5, 2007, when application 11/650,174, the earliest non-provisional in its chain, was filed (this one was filed Jan 6, 2010) | Jan 5, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +18 days, USPTO patent term adjustment record | Jan 23, 2027 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,231,900) | resolves to Jan 23, 2027, no earlier than this term, so no change | 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 | Jan 23, 2027 | Medium confidence |
This family
| US 8,357,114 | In force Feb 2027 | Feb 2027 |
| US 8,202,535 | In force Oct 2030 | Oct 2030 |
| US 8,252,328 | In force no later than Jan 2027 | no later than Jan 2027 |
| Application PCT/US2007/000527 | PCT application no patent term | no patent term |
| Application PCT/US2007/000529 | PCT application no patent term | no patent term |
| Application PCT/US2007/000528 | PCT application no patent term | no patent term |
| US 9,066,847 | In force Aug 2031 | Aug 2031 |
| US 8,252,329 | In force no later than Aug 2027 | no later than Aug 2027 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jan 13, 2010 Reel 23772, frame 184 | Palmer, Pamela; Schreck, Thomas; Tzannis, Stelios; Hamel, Larry; Poutiatine, Andrew I.; Rampersaud, Charles; Edwards, Bruce | Acelrx Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Apr 25, 2023 Reel 63434, frame 858 | Acelrx Pharmaceuticals, Inc. | Vertical Pharmaceuticals, LLC | Assignment of Assignor's Interest |
| Jun 30, 2023 Reel 64133, frame 94 | Vertical Pharmaceuticals, LLC | Cibc Bank USA | Security 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 8,231,900, ends no earlier than this term, so it caps nothing.