Also listed on Aralez Pharmaceuticals Trading Dac, an earlier holder on the record. The recorded assignments below show how it moved.
Term ends May 14, 2028 · High confidence
20-year base term ends Jun 29, 2027
Held by Toprol Acquisition LLC
Filed Jun 29, 2007 as application 11/824,245 · Granted Mar 30, 2010
Base term plus 320 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
Jun 29, 2007
Jun 29, 2007
Term ends
May 14, 2028
May 14, 2028
Granted
Mar 30, 2010
Mar 30, 2010
base term
patent term adjustment
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
320
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.
2
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 320 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 Jun 29, 2007, when this application, 11/824,245, was filed | Jun 29, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +320 days, USPTO patent term adjustment record | May 14, 2028 | 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 | May 14, 2028 | High confidence |
This family
| US 7,687,631 | this patent May 2028 | May 2028 |
| US 8,329,905 | Lapsed on the fee record Dec 2024 | Dec 2024 |
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 14, 2007 Reel 19826, frame 813 | Yong, Kelvin H.; Zavialov, Ilia A.; Yin, Jianguo; Fu, Xiaoyong; Thiruvengadam, Tiruvettipuram K. | Schering Corporation | Assignment of Assignor's Interest |
| 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
May 2028
Term ends May 14, 2028. No further fees fall due before then
Note
The 320 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
21
later US patents cite this one
That is above the median of utility patents granted in 2010 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.