Lapsed Nov 7, 2021 on the fee record · High confidence
20-year base term ends Jul 16, 2029
First maintenance fee unpaid; grace period ended.
Filed May 15, 2015 as application 14/713,944 · Granted Nov 7, 2017
Base term, 20 years from filing, plus 104 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Nov 7, 2021
2009
2029
Clock starts
Jul 16, 2009
Jul 16, 2009
No longer in force
Nov 7, 2021
Nov 7, 2021
Granted
Nov 7, 2017
Nov 7, 2017
Term would have run to
Jul 16, 2029
Jul 16, 2029
base term
after the term ends
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
104
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Capped
Terminal disclaimer
Resolved from the filed document, referencing US 8,496,957, US 9,066,855.
0 of 2
Maintenance fees paid
Two maintenance fees can end this term early, the ones due 3.5 and 7.5 years from grant; the third one's grace period runs past the term end. 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.
Its term would have run to Jul 16, 2029: its 20-year base term plus 104 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 16, 2009, when application 12/504,553, the earliest non-provisional in its chain, was filed (this one was filed May 15, 2015) | Jul 16, 2029 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +104 days, USPTO patent term adjustment record | Oct 28, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 8,496,957, US 9,066,855) | capped to Jul 16, 2029 | High confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 0 of 2 maintenance fees paid | lapsed Nov 7, 2021 | High confidence |
| Computed term end | The steps above, in order | Nov 7, 2021 | High confidence |
This family
| US 8,496,957 | Lapsed on the fee record Jul 2025 | Jul 2025 |
| Application PCT/US2009/051078 | PCT application no patent term | no patent term |
| Application PCT/US2009/067552 | PCT application no patent term | no patent term |
| US 8,575,122 | In force May 2030 | May 2030 |
| US 9,066,855 | Lapsed on the fee record Jun 2023 | Jun 2023 |
| US 9,808,460 | this patent Nov 2021 | Nov 2021 |
| Application 14/795,825 | 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 |
|---|---|---|---|
| Jun 1, 2015 Reel 35754, frame 253 | Licther, Jay; Vollrath, Benedikt; Duron, Sergio G.; Piu, Fabrice; Dellamary, Luis A.; Ye, Qiang; Lebel, Carl; Trammel, Andrew M. | Otonomy, Inc. | Assignment of Assignor's Interest |
| Jun 1, 2015 Reel 35754, frame 320 | Harris, Jeffrey P. | Otonomy, Inc. | Assignment of Assignor's Interest |
| Oct 15, 2015 Reel 37184, frame 124 | Harris, Jeffrey P. | The Regents of the University of California | Corrective Assignment to Correct the Assignee Name and Address Previously Recorded at Reel: 035754 Frame: 0320. Assignor(S) Hereby Confirms the Assignment. |
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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 104 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Disclaimer cap
This term is capped by a terminal disclaimer resolved from the filed document, referencing US 8,496,957, US 9,066,855.
Citations
1
later US patent cites 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.