Collateral for a security interest recorded Aug 27, 2021 (Cibc Bank USA).
Term ended Aug 4, 2025 · High confidence
20-year base term ended Aug 4, 2025
USPTO later recorded it as expired for non-payment on Jun 22, 2026.
Held by Vertical Pharmaceuticals, LLC
Filed Jun 19, 2012 as application 13/527,264 · Granted May 20, 2014
Base term plus 30 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Term ended Aug 4, 2025
2005
2026
Clock starts
Aug 4, 2005
Aug 4, 2005
Term ended
Aug 4, 2025
Aug 4, 2025
Granted
May 20, 2014
May 20, 2014
base term
after the term ends
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
30
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 7,901,710, US 8,202,546, US 8,263,667.
2 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. This counts the ones the record shows paid.
5
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 30 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Aug 4, 2005, when application 11/197,757, the earliest non-provisional in its chain, was filed (this one was filed Jun 19, 2012) | Aug 4, 2025 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +30 days, USPTO patent term adjustment record | Sep 3, 2025 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,901,710, US 8,202,546, US 8,263,667) | capped to Aug 4, 2025 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 2 maintenance fees paid | term ended | High confidence |
| USPTO status record | Recorded as expired for non-payment on Jun 22, 2026, after the term ended | no change | High confidence |
| Computed term end | The steps above, in order | Aug 4, 2025 | High confidence |
This family
| US 7,901,710 | In force Jun 2027 | Jun 2027 |
| US 8,202,546 | Lapsed on the fee record Jun 2024 | Jun 2024 |
| US 8,197,854 | Lapsed on the fee record Jun 2024 | Jun 2024 |
| US 8,263,667 | Lapsed on the fee record Sep 2024 | Sep 2024 |
| US 8,728,535 | this patent Aug 2025 | Aug 2025 |
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 |
|---|---|---|---|
| Oct 26, 2012 Reel 29195, frame 387 | Squashic, Steven A.; Hudy, Kevin M.; Purdy, David C. | Vertical Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Dec 12, 2013 Reel 31767, frame 553 | Vertical Pharmaceuticals, Inc. | SDK VC Pharma Holding Corp. | Assignment of Assignor's Interest |
| Dec 12, 2013 Reel 31767, frame 691 | SDK VC Pharma Holding Corp. | Vertical Pharmaceuticals, LLC | Assignment of Assignor's Interest |
| Feb 3, 2016 Reel 37656, frame 879 | Vertical Pharmaceuticals, LLC | Cit Bank, N.A., as Collateral Agent | Security Interest |
| Aug 27, 2021 Reel 57309, frame 950 | Vertical Pharmaceuticals, LLC | Cibc Bank USA, as Administrative Agent | Security Interest |
| Aug 28, 2021 Reel 57319, frame 886 | Cit Bank, N.A., as Collateral Agent | Vertical Pharmaceuticals, LLC | Release of Security 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
Note
The 30 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 7,901,710, US 8,202,546, US 8,263,667.
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2014 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.