Term ends Oct 27, 2027 · High confidence
20-year base term ends Dec 8, 2026
Held by Merck Sharp & Dohme LLC
Filed Dec 8, 2006 as application 11/636,379 · Granted Sep 20, 2011
Base term plus 323 days of patent term adjustment (USPTO delay)
Today
2006
2027
Clock starts
Dec 8, 2006
Dec 8, 2006
Term ends
Oct 27, 2027
Oct 27, 2027
Granted
Sep 20, 2011
Sep 20, 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
323
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 323 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 Dec 8, 2006, when this application, 11/636,379, was filed | Dec 8, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +323 days, USPTO patent term adjustment record | Oct 27, 2027 | 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 | Oct 27, 2027 | High confidence |
This family
| US 8,021,665 | this patent Oct 2027 | Oct 2027 |
| US 8,298,543 | In force Dec 2026 | Dec 2026 |
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 |
|---|---|---|---|
| Mar 29, 2007 Reel 19110, frame 896 | Brown-driver, Vickie; Gc, Kedar; Finn, John M.; Haselbeck, Robert; Hilgers, Mark; Shaw, Karen; Stidham, Mark | RX3 Pharmaceuticals | Assignment of Assignor's Interest |
| Nov 10, 2009 Reel 23496, frame 79 | Trius Therapeutics, Inc. | Sofinnova Venture Partners VII, L.P., as Collateral Agent | Security Agreement |
| Aug 26, 2010 Reel 24895, frame 248 | Sofinnova Venture Partners VII, L.P. | Trius Therapeutics, Inc. | Release of Security Interest |
| May 25, 2011 Reel 26340, frame 339 | RX3 Pharmaceuticals, Inc. | Trius Therapeutics, Inc. | Change of Name |
| Nov 13, 2013 Reel 31628, frame 850 | Optimer Pharmaceuticals, Inc.; Trius Therapeutics Inc. | Royal Bank of Canada, as Administrative Agent | Security Agreement |
| Jul 24, 2015 Reel 36178, frame 175 | Royal Bank of Canada, as Administrative Agent | Trius Therapeutics, Inc.; Optimer Pharmaceuticals, Inc. | Release of Security Interest |
| Jul 24, 2015 reel/frame not recorded | Royal Bank of Canada, as Administrative Agent | Trius Therapeutics, Inc. | Release of Security Interest |
| Jul 24, 2015 reel/frame not recorded | Royal Bank of Canada, as Administrative Agent | Optimer Pharmaceuticals, Inc. | Release of Security Interest |
| Sep 2, 2015 Reel 36528, frame 29 | Trius Therapeutics, Inc. | Trius Therapeutics LLC | Change of Name |
| Sep 3, 2015 Reel 36484, frame 796 | Trius Therapeutics LLC | Merck Sharp & Dohme Corp. | Nunc Pro Tunc Assignment |
| Aug 8, 2022 Reel 61102, frame 145 | Merck Sharp & Dohme Corp. | Merck Sharp & Dohme LLC | Merger |
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
Oct 2027
Term ends Oct 27, 2027. No further fees fall due before then
Note
The 323 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
1
later US patent cites 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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.