Term ends Feb 12, 2030 · High confidence
20-year base term ends Apr 30, 2029
Held by Pharma Cinq, LLC
Filed Oct 26, 2010 as application 12/989,724 · Granted Apr 2, 2013
Base term plus 288 days of patent term adjustment (USPTO delay)
Today
2009
2030
Clock starts
Apr 30, 2009
Apr 30, 2009
Term ends
Feb 12, 2030
Feb 12, 2030
Granted
Apr 2, 2013
Apr 2, 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
288
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.
3
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 288 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 Apr 30, 2009, when application PCT/US2009/042298, the earliest non-provisional in its chain, was filed (this one was filed Oct 26, 2010) | Apr 30, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +288 days, USPTO patent term adjustment record | Feb 12, 2030 | 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 | Feb 12, 2030 | High confidence |
This family
| Application PCT/US2009/042298 | PCT application no patent term | no patent term |
| US 8,410,154 | this patent Feb 2030 | Feb 2030 |
| US 8,889,724 | In force Apr 2029 | Apr 2029 |
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 |
|---|---|---|---|
| Aug 16, 2013 Reel 31029, frame 875 | Wellstat Therapeutics Corporation | White Oak Global Advisors, LLC, as Administrative Agent | Security Agreement |
| Sep 18, 2013 Reel 31227, frame 227 | Wellstat Therapeutics Corporation | PDL Biopharma, Inc. | Security Agreement |
| Jan 21, 2021 Reel 55056, frame 891 | White Oak Global Advisors, LLC, as Administrative Agent | Wellstat Therapeutics Corporation | Release of Security Interest |
| Nov 6, 2023 Reel 65474, frame 475 | Wellstat Therapeutics Corporation | Pharma Cinq, LLC | Assignment of Assignor's 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
Feb 2030
Term ends Feb 12, 2030. No further fees fall due before then
Note
The 288 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
6
later US patents cite this one
That is below the median 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.