Lapsed May 17, 2023 on the fee record · High confidence
20-year base term ends May 12, 2028
Third maintenance fee unpaid; grace period ended.
Held by Vyripharm Enterprises, Inc.
Filed May 12, 2008 as application 12/119,435 · Granted May 17, 2011
Base term, 20 years from filing, plus 539 days of patent term adjustment (USPTO delay)
Today
Lapsed May 17, 2023
2008
2029
Clock starts
May 12, 2008
May 12, 2008
No longer in force
May 17, 2023
May 17, 2023
Granted
May 17, 2011
May 17, 2011
Term would have run to
Nov 2, 2029
Nov 2, 2029
base term
patent term adjustment
after the term ends
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
539
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
5
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Nov 2, 2029: its 20-year base term plus 539 days of term adjustment for prosecution delay. 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 May 12, 2008, when this application, 12/119,435, was filed | May 12, 2028 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +539 days, USPTO patent term adjustment record | Nov 2, 2029 | 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 | 2 of 3 maintenance fees paid | lapsed May 17, 2023 | High confidence |
| Computed term end | The steps above, in order | May 17, 2023 | High confidence |
This family
| US 7,943,591 | this patent May 2023 | May 2023 |
| US 8,093,225 | Lapsed on the fee record Jan 2024 | Jan 2024 |
| US 8,741,864 | Lapsed on the fee record Jun 2026 | Jun 2026 |
| US 9,290,762 | Lapsed on the fee record Mar 2024 | Mar 2024 |
| US 10,041,069 | In force May 2028 | May 2028 |
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 |
|---|---|---|---|
| Sep 5, 2008 Reel 21487, frame 501 | Mamet, Julien | Adynxx, Inc. | Assignment of Assignor's Interest |
| Jul 3, 2019 Reel 49660, frame 848 | Adynxx, Inc. | Adynxx Sub, Inc. | Change of Name |
| Jul 11, 2019 Reel 49729, frame 101 | Adynxx Sub, Inc. | Oxford Finance LLC, as Collateral Agent | Security Interest |
| Feb 20, 2020 Reel 51980, frame 421 | Adynxx, Inc.; Adynxx Sub, Inc. | Oxford Finance LLC | First Amendment to Intellectual Property Security Agreement |
| Jul 19, 2022 reel/frame not recorded | Oxford Finance LLC, as Collateral Agent | Adynxx Sub, Inc. | Release of Security Interest |
| Jul 19, 2022 reel/frame not recorded | Oxford Finance LLC, as Collateral Agent | Adynxx, Inc. | Release of Security Interest |
| Jul 19, 2022 Reel 60730, frame 583 | Oxford Finance LLC, as the Lawful Attorney-in-Fact of Adynxx Sub, Inc. and Adynxx, Inc. | Vyripharm Enterprises, Inc. | Assignment of Assignor's Interest |
| Jul 19, 2022 Reel 60547, frame 449 | Oxford Finance LLC, as Collateral Agent | Adynxx Sub, Inc.; Adynxx, Inc. | Release of 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
Note
The 539 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
13
later US patents cite this one
That is above the median of utility patents granted in 2011 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.