Term ended Feb 2, 2026 · Medium confidence
20-year base term ended Feb 2, 2026
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 10,596,162), so the cap could be lower.
Held by Wyeth LLC
Filed Aug 5, 2008 as application 11/883,474 · Granted Mar 31, 2020
Base term, 20 years from filing
Today
Term ended Feb 2, 2026
2006
2026
Clock starts
Feb 2, 2006
Feb 2, 2006
Term ended
Feb 2, 2026
Feb 2, 2026
Granted
Mar 31, 2020
Mar 31, 2020
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,596,162, to Feb 2, 2026. The term already ends on or before that date, so the cap shortened nothing.
1 of 1
Maintenance fees paid
One maintenance fee can end this term early, the one due 3.5 years from grant; the next one's grace period runs past the term end. This counts it if the record shows it paid.
46
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. Confidence: Medium. 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 Feb 2, 2006, when application PCT/US2006/003717, the earliest non-provisional in its chain, was filed (this one was filed Aug 5, 2008) | Feb 2, 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 10,596,162) | resolves to Feb 2, 2026, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 1 maintenance fees paid | term ended | High confidence |
| Computed term end | The steps above, in order | Feb 2, 2026 | Medium confidence |
This family
| Application PCT/US2006/003717 | PCT application no patent term | no patent term |
| US 10,603,314 | this patent Feb 2026 | Feb 2026 |
| US 8,022,216 | In force Feb 2030 | Feb 2030 |
| US 8,669,273 | In force Jul 2031 | Jul 2031 |
| Application 12/539,914 | Abandoned not computed | not computed |
| US 8,518,446 | In force Nov 2030 | Nov 2030 |
| Application PCT/US2011/020080 | PCT application no patent term | no patent term |
| US 8,173,814 | In force Oct 2028 | Oct 2028 |
8 of 46 applications in this family shown, earliest filings first. 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 |
|---|---|---|---|
| Jun 24, 2008 Reel 21142, frame 445 | Haber, Daniel A.; Bell, Daphne Winifred; Settleman, Jeffrey E.; Sordella, Raffaella; Godin-heymann, Nadia G.; Kwak, Eunice L. | The General Hospital Corporation | Assignment of Assignor's Interest |
| Jun 24, 2008 Reel 21142, frame 453 | Rabindran, Sridhar Krishna | Wyeth | Assignment of Assignor's Interest |
| Sep 24, 2015 Reel 36675, frame 535 | Wyeth | Wyeth LLC | Change of Name |
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.
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,596,162, ends no earlier than this term, so it caps nothing.
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2020 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.