Lapsed Aug 20, 2025 on the fee record · Medium confidence
20-year base term ends May 11, 2027
Why Medium: A terminal disclaimer is on file (approved) with no resolved reference, so the term may end earlier.
Third maintenance fee unpaid; grace period ended.
Held by Auris Health, Inc.
Filed Feb 27, 2012 as application 13/405,712 · Granted Aug 20, 2013
Base term, 20 years from filing, plus 6575 days of patent term adjustment (USPTO delay)
Today
Lapsed Aug 20, 2025
2007
2045
Clock starts
May 11, 2007
May 11, 2007
No longer in force
Aug 20, 2025
Aug 20, 2025
Granted
Aug 20, 2013
Aug 20, 2013
Term would have run to
May 11, 2045
May 11, 2045
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
6,575
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
Unresolved
Terminal disclaimer
On file, reference document not resolved, so the date above is an upper bound. We do not guess the cap.
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.
13
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 May 11, 2045: its 20-year base term plus 6575 days of term adjustment for prosecution delay. A terminal disclaimer is on file with no resolved reference, so no cap is applied and none is guessed. 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 May 11, 2007, when application 11/747,862, the earliest non-provisional in its chain, was filed (this one was filed Feb 27, 2012) | May 11, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +6575 days, USPTO patent term adjustment record | May 11, 2045 | 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 | lapsed Aug 20, 2025 | High confidence |
| Computed term end | The steps above, in order | Aug 20, 2025 | Medium confidence |
This family
| US 7,950,397 | In force May 2027 | May 2027 |
| Application 12/695,857 | Abandoned not computed | not computed |
| US 8,146,603 | In force May 2027 | May 2027 |
| US 8,511,317 | this patent Aug 2025 | Aug 2025 |
| Application 13/446,552 | Abandoned not computed | not computed |
| US 8,607,800 | In force May 2027 | May 2027 |
| US 9,737,325 | Lapsed on the fee record Aug 2025 | Aug 2025 |
| Application 15/349,887 | Abandoned not computed | not computed |
8 of 13 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 |
|---|---|---|---|
| Apr 1, 2014 Reel 32572, frame 808 | Thapliyal, Hira V.; Gallup, David A.; Arenson, James W. | Vytronus, Inc. | Assignment of Assignor's Interest |
| Sep 10, 2014 Reel 33713, frame 166 | Vytronus, Inc. | Hantel Technologies, Inc. | Assignment of Assignor's Interest |
| Sep 10, 2014 Reel 33763, frame 46 | Hantel Technologies, Inc. | Vytronus, Inc. | Corrective Assignment to Correct the Conveying/Receiving Parties Transposed Previously Recorded at Reel: 033713 Frame: 0166. Assignor(S) Hereby Confirms the Assignment. |
| Nov 27, 2019 Reel 51147, frame 163 | Vytronus, Inc. | Silicon Valley Bank | Security Interest |
| Dec 27, 2019 Reel 51435, frame 1 | Silicon Valley Bank | Vytronus, Inc. | Release of Security Interest |
| Jun 5, 2020 Reel 52856, frame 312 | Vytronus, Inc. | Auris Health, 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.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
What's changing
Note
A terminal disclaimer is on file and its reference is not resolved. No cap is applied and none is guessed
Note
The 6575 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Open question
A terminal disclaimer is on file (approved) and its reference document is not resolved. A disclaimer would cap the term earlier than Aug 20, 2025. We will not guess the cap.
Citations
87
later US patents cite this one
That is top 10% of utility patents granted in 2013 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.