Term ends Jul 15, 2031 · Medium confidence
20-year base term ends Jul 15, 2031
Why Medium: The disclaimer's references carry disclaimers of their own not yet read (US 10,073,949), so the cap could be lower.
Held by Hyperion Defi, Inc.
Filed Aug 27, 2018 as application 16/113,231 · Granted Nov 17, 2020
Base term, 20 years from filing
Today
2011
2031
Clock starts
Jul 15, 2011
Jul 15, 2011
Term ends
Jul 15, 2031
Jul 15, 2031
Granted
Nov 17, 2020
Nov 17, 2020
base term
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
None
Term adjustment
No prosecution delay on this record.
No effect
Terminal disclaimer
Resolved from the filed document, referencing US 10,073,949, US 10,154,923, US 9,087,145, to Jul 15, 2031. The term already ends on or before that date, so the cap shortened nothing.
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.
7
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. A terminal disclaimer is resolved from the filed document, and it ends no earlier than this term, so it shortens nothing. 1 of 2 maintenance fees is paid so far. 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 Jul 15, 2011, when application 13/184,446, the earliest non-provisional in its chain, was filed (this one was filed Aug 27, 2018) | Jul 15, 2031 | 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 | Disclaimer resolved from the filed document (refs US 10,073,949, US 10,154,923, US 9,087,145) | resolves to Jul 15, 2031, no earlier than this term, so no change | Medium confidence |
| Patent term extension | None on file | no change | High confidence |
| Fee events | 1 of 2 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Jul 15, 2031 | Medium confidence |
This family
| US 9,087,145 | In force Jul 2031 | Jul 2031 |
| Application 14/793,895 | Abandoned not computed | not computed |
| US 10,073,949 | In force no later than Jul 2031 | no later than Jul 2031 |
| US 10,839,960 | this patent Jul 2031 | Jul 2031 |
| US 11,398,306 | In force Jul 2031 | Jul 2031 |
| US 11,839,487 | In force Jul 2031 | Jul 2031 |
| US 12,490,932 | In force Jul 2031 | Jul 2031 |
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 21, 2022 Reel 60267, frame 863 | Ballou, Bernard L., JR.; Packer, Mark; Mumper, Russell John; Inachulev, Tsontcho | Corinthian Ophthalmic, Inc. | Assignment of Assignor's Interest |
| Jun 21, 2022 Reel 60267, frame 881 | Corinthian Ophthalmic, Inc. | Eyenovia, Inc. | Assignment of Assignor's Interest |
| Nov 30, 2022 Reel 61922, frame 825 | Eyenovia, Inc. | Avenue Capital Management II, L.P. | Security Interest |
| Jan 12, 2026 Reel 74329, frame 438 | Eyenovia, Inc. | Hyperion Defi, Inc. | Change of Name |
| Aug 25, 2026 Reel 75775, frame 227 | Avenue Capital Management II, L.P. | Hyperion Defi, Inc. | Release of Security 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 2031
Term ends Jul 15, 2031. Maintenance fees still fall due before then
Terminal disclaimer
A terminal disclaimer resolved from the filed document, referencing US 10,073,949, US 10,154,923, US 9,087,145, ends no earlier than this term, so it caps nothing.
Citations
24
later US patents cite this one
That is top 10% of utility patents granted in 2020 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.