Lapsed Nov 27, 2024 on the fee record · High confidence
20-year base term ends Apr 21, 2029
Third maintenance fee unpaid; grace period ended.
Held by Alk-Abelló, Inc.
Filed Jul 20, 2009 as application 12/506,127 · Granted Nov 27, 2012
Base term, 20 years from filing, plus 371 days of patent term adjustment (USPTO delay)
Today
Lapsed Nov 27, 2024
2009
2030
Clock starts
Apr 21, 2009
Apr 21, 2009
No longer in force
Nov 27, 2024
Nov 27, 2024
Granted
Nov 27, 2012
Nov 27, 2012
Term would have run to
Apr 27, 2030
Apr 27, 2030
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
371
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
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.
27
Family applications on record here
Applications sharing this one's continuity chain whose file history this site holds. The family may have others.
Its term would have run to Apr 27, 2030: its 20-year base term plus 371 days of term adjustment for prosecution delay. 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 Apr 21, 2009, when application 12/427,663, the earliest non-provisional in its chain, was filed (this one was filed Jul 20, 2009) | Apr 21, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +371 days, USPTO patent term adjustment record | Apr 27, 2030 | 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 | lapsed Nov 27, 2024 | High confidence |
| Computed term end | The steps above, in order | Nov 27, 2024 | High confidence |
This family
| US 9,132,087 | Lapsed on the fee record Sep 2023 | Sep 2023 |
| US 8,030,297 | Lapsed on the fee record Oct 2023 | Oct 2023 |
| US 8,318,817 | this patent Nov 2024 | Nov 2024 |
| Application PCT/US2009/051172 | PCT application no patent term | no patent term |
| US 8,546,363 | Lapsed on the fee record Oct 2021 | Oct 2021 |
| US 8,828,980 | Lapsed on the fee record Sep 2022 | Sep 2022 |
| US 8,658,626 | Lapsed on the fee record Feb 2022 | Feb 2022 |
| US 8,680,082 | Lapsed on the fee record Mar 2026 | Mar 2026 |
8 of 27 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 |
|---|---|---|---|
| Oct 12, 2009 Reel 23357, frame 782 | Harris, Jeffrey P. | The Regents of the University of California | Assignment of Assignor's Interest |
| Oct 12, 2009 Reel 23357, frame 803 | Lichter, Jay; Vollrath, Benedikt; Duron, Sergio G.; Piu, Fabrice; Dellamary, Luis A.; Ye, Qiang; Lebel, Carl; Trammel, Andrew M.; Scaife, Michael Christopher | Otonomy, Inc. | Assignment of Assignor's Interest |
| Jul 14, 2021 Reel 56857, frame 472 | Otonomy, Inc. | Alk-Abelló, 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 371 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
71
later US patents cite this one
That is top 10% 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.