Term ends Dec 8, 2026 · High confidence
20-year base term ends Dec 8, 2026
Held by Merck Sharp & Dohme LLC
Filed May 6, 2011 as application 13/102,856 · Granted Oct 30, 2012
Base term, 20 years from filing
Today
2006
2026
Clock starts
Dec 8, 2006
Dec 8, 2006
Term ends
Dec 8, 2026
Dec 8, 2026
Granted
Oct 30, 2012
Oct 30, 2012
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 8,021,665, to Dec 8, 2026. The term already ends on or before that date, so the cap shortened nothing.
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 is its 20-year base term, with no adjustment for prosecution delay. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 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 application 11/636,379, the earliest non-provisional in its chain, was filed (this one was filed May 6, 2011) | Dec 8, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | None on file | no change | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,021,665) | resolves to Dec 8, 2026, no earlier than this term, so no change | 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 | Dec 8, 2026 | High confidence |
This family
| US 8,021,665 | In force Oct 2027 | Oct 2027 |
| US 8,298,543 | this patent 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 |
|---|---|---|---|
| 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
Dec 2026
Term ends Dec 8, 2026. No further fees fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 8,021,665, ends no earlier than this term, so it caps nothing.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2012 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.