Collateral for a security interest recorded Jun 30, 2023 (Cibc Bank USA).
Term ends Aug 16, 2031 · High confidence
20-year base term ends Mar 16, 2030
Held by Vertical Pharmaceuticals, LLC
Filed Mar 16, 2010 as application 12/724,634 · Granted Oct 1, 2013
Base term plus 518 days of patent term adjustment (USPTO delay)
Today
2010
2031
Clock starts
Mar 16, 2010
Mar 16, 2010
Term ends
Aug 16, 2031
Aug 16, 2031
Granted
Oct 1, 2013
Oct 1, 2013
base term
patent term adjustment
fee events
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
518
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 of 3
Maintenance fees paid
Three maintenance fees fall due, at 3.5, 7.5 and 11.5 years from grant. This counts the ones the record shows paid.
7
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
This patent's term runs 518 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. Confidence: High. from the record
How we calculated this date
One row per rule, each showing its own input and what it did to the date. A step we could not verify says so instead of resolving itself.
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Mar 16, 2010, when this application, 12/724,634, was filed | Mar 16, 2030 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +518 days, USPTO patent term adjustment record | Aug 16, 2031 | High confidence |
| Terminal disclaimer cap | None on record | no cap applied | High 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 | Aug 16, 2031 | High confidence |
This family
| US 8,548,623 | this patent Aug 2031 | Aug 2031 |
| US 8,574,189 | In force Mar 2030 | Mar 2030 |
| Application 14/041,963 | Abandoned not computed | not computed |
| Application 15/292,909 | Abandoned not computed | not computed |
| US 10,896,751 | In force Mar 2030 | Mar 2030 |
| US 11,676,691 | In force Mar 2030 | Mar 2030 |
| US 12,033,733 | In force no later than Mar 2030 | no later than Mar 2030 |
The applications whose file history this site holds. The family may have others.
Assignments
Assignment documents as recorded at the USPTO, oldest first, with the reel and frame each was recorded at. A recorded assignment is a filed document, not a statement of current ownership, and the absence of a later one is not evidence that the last one still stands.
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| May 7, 2010 Reel 24355, frame 377 | Poutiatine, Andrew; Edwards, Bruce; Rampersaud, Charles | Acelrx Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Aug 9, 2013 Reel 30981, frame 244 | Blackwood, Bradley | Cito Mechanical Design, Inc. | Assignment of Assignor's Interest |
| Aug 9, 2013 Reel 30981, frame 284 | Cito Mechanical Design, Inc. | Acelrx Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Aug 9, 2013 Reel 30981, frame 223 | Palmer, Pamela; Yaffe, Benjamin K. | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Aug 2031
Term ends Aug 16, 2031. No further fees fall due before then
Note
The 518 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
96
later US patents cite this one
That is top 10% of utility patents granted in 2013 in our data, the only group it is compared against.
How we rank
Every date shows its work: the base term, any term adjustment or extension, any disclaimer cap, and the maintenance fee record, each with a confidence tier. How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.