Term ended Dec 10, 2025 · High confidence
20-year base term ended Aug 6, 2024
Held by Senomyx, Inc.
Filed Oct 23, 2008 as application 12/257,017 · Granted Feb 28, 2012
Base term plus 491 days of patent term adjustment (USPTO delay)
Today
Term ended Dec 10, 2025
2004
2026
Clock starts
Aug 6, 2004
Aug 6, 2004
Term ended
Dec 10, 2025
Dec 10, 2025
Granted
Feb 28, 2012
Feb 28, 2012
base term
patent term adjustment
after the term ends
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
491
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.
7
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 491 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 Aug 6, 2004, when application 10/913,303, the earliest non-provisional in its chain, was filed (this one was filed Oct 23, 2008) | Aug 6, 2024 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +491 days, USPTO patent term adjustment record | Dec 10, 2025 | 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 | Dec 10, 2025 | High confidence |
This family
| US 7,476,399 | In force Nov 2027 | Nov 2027 |
| US 8,124,121 | this patent Dec 2025 | Dec 2025 |
| US 8,895,050 | Term ended Aug 2024 | Aug 2024 |
| US 10,060,909 | Term ended Aug 2024 | Aug 2024 |
| US 10,557,845 | Term ended Aug 2024 | Aug 2024 |
| US 11,268,952 | Term ended Aug 2024 | Aug 2024 |
| Application 17/678,512 | Abandoned not computed | not computed |
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 |
|---|---|---|---|
| May 22, 2009 Reel 22726, frame 407 | Rogers, Daniel H. | Senomyx, Inc. | Employee Proprietary Information and Inventions Agreement Between Daniel H. Rogers and Senomyx Inc. in View of MR. Rogers' Refusal to Execute an Assignment of Rights of U.S. Utility Application N. 12/257,017 |
| May 22, 2009 Reel 22726, frame 425 | Tachdjian, Catherine; Patron, Andrew P.; Adamski-werner, Sara L.; Bakir, Farid; Chen, Qing; Darmohusodo, Vincent; Hobson, Stephen Terrence; Li, Xiaodong; Qi, Ming; Rinnova, Marketa; Servant, Guy; Tang, Xiao-qing; Zoller, Mark; Wallace, David; Xing, Amy; Gubernator, Klaus | Senomyx, Inc. | 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 491 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
57
later US patents cite this one
That is top 25% 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.