Term ends no later than Jun 23, 2028 · Medium confidence
20-year base term ends Dec 12, 2026
In force on USPTO's status record and by its fee record. A terminal disclaimer on file may shorten this term, possibly to a date already past; its reference document is unresolved, so the date above is an upper bound and no earlier date is guessed.
Dec 12, 2006
Jun 23, 2028
Oct 13, 2015
This patent's term runs 559 days past its 20-year base term on prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 2 of 3 maintenance fees are paid so far. Confidence: Medium. from the record
How we calculated this date
| Step | Input | Date after this step | Confidence |
|---|---|---|---|
| Base term, 20 years from filing | Clock starts Dec 12, 2006, when application PCT/US2006/061895, the earliest non-provisional in its chain, was filed (this one was filed May 3, 2012) | Dec 12, 2026 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +559 days, USPTO patent term adjustment record | Jun 23, 2028 | High confidence |
| Terminal disclaimer cap | Disclaimer on file (approved), reference document not resolved | no cap applied, and none guessed | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | no later than Jun 23, 2028 | Medium confidence |
This family
| Application PCT/US2006/061895 | PCT application no patent term | no patent term |
| Application 12/097,942 | Abandoned not computed | not computed |
| US 9,156,795 | this patent no later than Jun 2028 | no later than Jun 2028 |
| Application 14/152,766 | Abandoned not computed | not computed |
| US 9,562,017 | In force Dec 2026 | Dec 2026 |
Assignments
| Recorded | Assignor | Assignee | Conveyance |
|---|---|---|---|
| Jun 2, 2015 Reel 35764, frame 975 | Demattei, John; Chuang, Tsung-hsun | Array Biopharma, Inc. | Assignment of Assignor's Interest |
| Jun 2, 2015 Reel 35765, frame 112 | Squire, Christopher John; Roberts, Ronald John; Sharma-singh, Gorkhn; Pervez, Mohammed; Ford, James Gair; Storey, Richard Anthony; Dickinson, Paul Alfred | AstraZeneca AB | Assignment of Assignor's Interest |
| Nov 13, 2025 Reel 72888, frame 633 | AstraZeneca AB | Alexion Pharma International Operations Limited | Assignment of Assignor's Interest |
| May 27, 2026 Reel 75641, frame 571 | Demattei, John; Chuang, Tsung-hsung | Array Biopharma Inc. | Confirmatory Assignment and Clarification of Corporate 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.
What's changing
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Jun 23, 2028. We will not guess the cap.