Term ends Jul 25, 2032 · High confidence
20-year base term ends Jul 25, 2032
Held by AstraZeneca AB
Filed Dec 19, 2014 as application 14/576,721 · Granted Aug 15, 2017
Base term, 20 years from filing
Today
2012
2032
Clock starts
Jul 25, 2012
Jul 25, 2012
Term ends
Jul 25, 2032
Jul 25, 2032
Granted
Aug 15, 2017
Aug 15, 2017
base term
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
None
Term adjustment
No prosecution delay on this record.
None
Terminal disclaimer
No disclaimer on this record.
2 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.
10
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. 2 of 3 maintenance fees are paid so far. 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 Jul 25, 2012, when application 13/557,871, the earliest non-provisional in its chain, was filed (this one was filed Dec 19, 2014) | Jul 25, 2032 | 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 | None on record | no cap applied | High 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 | Jul 25, 2032 | High confidence |
This family
| US 8,946,235 | In force Aug 2032 | Aug 2032 |
| US 9,732,058 | this patent Jul 2032 | Jul 2032 |
| US 10,017,493 | In force Jul 2032 | Jul 2032 |
| Application 15/991,578 | Abandoned not computed | not computed |
| US 10,858,336 | In force no later than Jul 2032 | no later than Jul 2032 |
| US 11,524,951 | In force Jul 2032 | Jul 2032 |
| Application 17/979,342 | Abandoned not computed | not computed |
| Application 18/334,705 | Abandoned not computed | not computed |
8 of 10 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 |
|---|---|---|---|
| Jul 16, 2018 Reel 46356, frame 295 | Kadambar, Krishna; Reddy C, Chandrasekhara; Murugan, Andiappan | AstraZeneca India Private Limited | Assignment of Assignor's Interest |
| Jul 16, 2018 Reel 46356, frame 482 | Chuaqui, Claudio Edmundo | AstraZeneca Pharmaceuticals LP | Assignment of Assignor's Interest |
| Jul 16, 2018 Reel 46356, frame 573 | Butterworth, Sam; Finlay, Maurice Raymond Verschoyle; Ward, Richard Andrew; Redfearn, Heather Marie | AstraZeneca UK Limited | Assignment of Assignor's Interest |
| Jul 16, 2018 Reel 46356, frame 675 | AstraZeneca Pharmaceuticals LP | AstraZeneca UK Limited | Assignment of Assignor's Interest |
| Jul 16, 2018 Reel 46356, frame 754 | AstraZeneca India Private Limited | AstraZeneca AB | Assignment of Assignor's Interest |
| Jul 16, 2018 Reel 46547, frame 972 | AstraZeneca UK Limited | AstraZeneca AB | 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Jul 2032
Term ends Jul 25, 2032. Maintenance fees still fall due before then
Citations
2
later US patents cite this one
That is below the median of utility patents granted in 2017 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.