Lapsed Aug 22, 2025 on the fee record · Medium confidence
20-year base term ends May 11, 2027
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 8,511,317), so the cap could be lower.
Second maintenance fee unpaid; grace period ended.
Held by Auris Health, Inc.
Filed Nov 18, 2013 as application 14/083,242 · Granted Aug 22, 2017
Base term, 20 years from filing, plus 752 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
Lapsed Aug 22, 2025
2007
2027
Clock starts
May 11, 2007
May 11, 2007
No longer in force
Aug 22, 2025
Aug 22, 2025
Granted
Aug 22, 2017
Aug 22, 2017
Term would have run to
May 11, 2027
May 11, 2027
base term
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
752
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 7,950,397, US 8,146,603, US 8,511,317, US 8,607,800.
1 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.
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, 2027: its 20-year base term plus 752 days of term adjustment for prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 Nov 18, 2013) | May 11, 2027 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +752 days, USPTO patent term adjustment record | Jun 1, 2029 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 7,950,397, US 8,146,603, US 8,511,317, US 8,607,800) | capped to May 11, 2027 | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | lapsed Aug 22, 2025 | High confidence |
| Computed term end | The steps above, in order | Aug 22, 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 | Lapsed on the fee record 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 | this patent 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 |
|---|---|---|---|
| Nov 19, 2013 Reel 31634, frame 307 | 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 9, 2020 Reel 52878, frame 328 | 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.
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Alerts on its grants, lapses and transfers.
What's changing
Note
The 752 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 7,950,397, US 8,146,603, US 8,511,317, US 8,607,800.
Citations
26
later US patents cite this one
That is top 25% 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.