Term ended Jan 25, 2026 · High confidence
20-year base term ended Jan 12, 2026
Held by Toprol Acquisition LLC
Filed Jul 17, 2009 as application 12/505,079 · Granted Aug 2, 2011
Base term plus 13 days of patent term adjustment (USPTO delay)
Today
Term ended Jan 25, 2026
2006
2026
Clock starts
Jan 12, 2006
Jan 12, 2006
Term ended
Jan 25, 2026
Jan 25, 2026
Granted
Aug 2, 2011
Aug 2, 2011
base term
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
13
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.
4
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 13 days past its 20-year base term on prosecution delay. All three maintenance fees were paid, so no fee lapse ended it. 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 Jan 12, 2006, when application 11/331,324, the earliest non-provisional in its chain, was filed (this one was filed Jul 17, 2009) | Jan 12, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +13 days, USPTO patent term adjustment record | Jan 25, 2026 | 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 | term ended | High confidence |
| Computed term end | The steps above, in order | Jan 25, 2026 | High confidence |
This family
| US 7,605,275 | In force May 2028 | May 2028 |
| US 7,989,653 | this patent Jan 2026 | Jan 2026 |
| US 8,258,319 | Lapsed on the fee record Sep 2024 | Sep 2024 |
| US 8,618,314 | Lapsed on the fee record Dec 2025 | Dec 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 |
|---|---|---|---|
| Aug 30, 2012 Reel 28884, frame 151 | Schering Corporation | Merck Sharp & Dohme Corp. | Change of Name |
| Sep 16, 2016 Reel 39767, frame 695 | Merck Sharp & Dohme Corp. | Aralez Pharmaceuticals Trading Dac | Assignment of Assignor's Interest |
| Sep 29, 2016 Reel 39892, frame 309 | Aralez Pharmaceuticals Trading Dac | Deerfield Private Design Fund III, L.P.; Deerfield International Master Fund, L.P.; Deerfield Partners, L.p. | Security Interest |
| Sep 29, 2016 reel/frame not recorded | Aralez Pharmaceuticals Trading Dac | Deerfield Private Design Fund III, L.P. | Security Interest |
| Sep 29, 2016 reel/frame not recorded | Aralez Pharmaceuticals Trading Dac | Deerfield International Master Fund, L.P. | Security Interest |
| Sep 29, 2016 reel/frame not recorded | Aralez Pharmaceuticals Trading Dac | Deerfield Partners, L.p. | Security Interest |
| Aug 24, 2018 Reel 46696, frame 772 | Aralez Pharmaceutical Trading Dac | Deerfield Management Company, L.P., as Administrative Agent | Security Interest |
| Aug 30, 2018 Reel 46988, frame 741 | Aralez Pharmaceuticals Trading Designated Activity Company | Deerfield Management Company, L.P., as Administrative Agent | Corrective Assignment to Correct the Conveying Party Previously Recorded at Reel: 046696 Frame: 0772. Assignor(S) Hereby Confirms the Assignment. |
| Aug 31, 2018 Reel 46989, frame 669 | Merck Sharp & Dohme Corp. | Aralez Pharmaceuticals Trading Dac | Receiving Party/Assignee Address Change for Assignment Recorded at Reel/Frame 039767/0695 |
| Sep 10, 2020 Reel 53731, frame 376 | Toprol Acquisition LLC | Xspire Pharma, LLC | Assignment of Assignor's Interest |
| Oct 12, 2020 Reel 54027, frame 47 | Aralez Pharmaceuticals Trading Dac | Toprol Acquisition 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.
What's changing
Note
The 13 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
2
later US patents cite this one
That is below 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.