Also listed on Graceway Pharmaceuticals, LLC, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends Aug 18, 2029 · High confidence
20-year base term ends Oct 12, 2027
Held by Thirona Bio, Inc.
Filed Oct 12, 2007 as application 11/871,311 · Granted Jun 21, 2011
Base term plus 676 days of patent term adjustment (USPTO delay)
Today
2007
2029
Clock starts
Oct 12, 2007
Oct 12, 2007
Term ends
Aug 18, 2029
Aug 18, 2029
Granted
Jun 21, 2011
Jun 21, 2011
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
676
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 676 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 Oct 12, 2007, when this application, 11/871,311, was filed | Oct 12, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +676 days, USPTO patent term adjustment record | Aug 18, 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Aug 18, 2029 | High confidence |
This family
| US 7,964,612 | this patent Aug 2029 | Aug 2029 |
| US 8,455,512 | In force Oct 2027 | Oct 2027 |
| US 9,090,625 | In force Oct 2027 | Oct 2027 |
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 |
|---|---|---|---|
| Jul 8, 2009 Reel 22928, frame 146 | Pfizer Inc.; Warner Lambert LLC | Graceway Pharmaceuticals, LLC | Assignment of Assignor's Interest |
| Dec 3, 2009 Reel 23600, frame 131 | Barrett, Stephen D.; Boys, Mark L.; Chen, Huifen; Kramer, James B. | Pfizer Inc. | Assignment of Assignor's Interest |
| Dec 13, 2011 Reel 27370, frame 813 | Graceway Pharmaceuticals, LLC | Medicis Pharmaceutical Corporation | Assignment of Assignor's Interest |
| Apr 24, 2013 Reel 30281, frame 433 | Medicis Pharmaceutical Corporation | Goldman Sachs Lending Partners LLC | Security Agreement |
| Sep 25, 2013 Reel 31280, frame 766 | Medicis Pharmaceutical Corporation | Thesan Pharmaceuticals, Inc. | Assignment of Assignor's Interest |
| Jan 10, 2014 Reel 31944, frame 190 | Goldman Sachs Lending Partners LLC | Medicis Pharmaceutical Corporation | Release of Security Interest |
| Jan 9, 2015 Reel 34749, frame 689 | Goldman Sachs Lending Partners, LLC | Barclays Bank PLC, as Successor Agent | Notice of Succession of Agency |
| Jan 29, 2018 Reel 45177, frame 26 | Goldman Sachs Lending Partners LLC | Barclays Bank PLC, as Successor Agent | Corrective Assignment to Correct the Inadvertent Patent Numbers Added Previously Recorded at Reel: 034749 Frame: 0689. Assignor(S) Hereby Confirms the Assignment . |
| May 11, 2018 Reel 45777, frame 324 | Thesan Pharmaceuticals, Inc. | FBM Therapeutics, LLC | Assignment of Assignor's Interest |
| Apr 14, 2021 Reel 56830, frame 556 | FBM Therapeutics, LLC | FBM Therapeutics, Inc. | Entity Conversion |
| Apr 15, 2021 Reel 56028, frame 290 | FBM Therapeutics, Inc. | Thirona Bio, Inc. | Change of Name |
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
Aug 2029
Term ends Aug 18, 2029. No further fees fall due before then
Note
The 676 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
20
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.