Term ends Feb 27, 2028 · Medium confidence
20-year base term ends Oct 18, 2027
Why Medium: A parent in the chain could not be resolved.
Held by Cortigent, Inc.
Filed Oct 28, 2007 as application 11/926,044 · Granted May 10, 2011
Base term plus 132 days of patent term adjustment (USPTO delay)
Today
2007
2028
Clock starts
Oct 18, 2007
Oct 18, 2007
Term ends
Feb 27, 2028
Feb 27, 2028
Granted
May 10, 2011
May 10, 2011
base term
patent term adjustment
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
132
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
3 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.
5
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 runs 132 days past its 20-year base term on prosecution delay. All three maintenance fees are recorded paid; no more fees are due. 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 Oct 18, 2007, when application 11/874,690, the earliest non-provisional in its chain, was filed (this one was filed Oct 28, 2007); a parent in its chain could not be resolved (the next row) | Oct 18, 2027 | High confidence |
| Continuity chain | A parent in the chain could not be resolved | dated from this application's own claim | Medium confidence |
| Patent term adjustment | +132 days, USPTO patent term adjustment record | Feb 27, 2028 | 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 | 3 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Feb 27, 2028 | Medium confidence |
This family
| US 8,000,000 | In force no later than May 2028 | no later than May 2028 |
| Application PCT/US2007/081811 | PCT application no patent term | no patent term |
| US 7,941,224 | this patent Feb 2028 | Feb 2028 |
| US 8,355,795 | Lapsed on the fee record Jan 2025 | Jan 2025 |
| US 10,105,263 | Lapsed on the fee record Oct 2026 | Oct 2026 |
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 |
|---|---|---|---|
| Jan 11, 2008 Reel 20356, frame 683 | McClure, Kelly H.; Roy, Arup; Greenberg, M.D., PH.D., Robert J. | Second Sight Medical Products, Inc. | Assignment of Assignor's Interest |
| Dec 27, 2022 Reel 62230, frame 462 | Second Sight Medical Products, Inc.; Vivani Medical, Inc. | Vivani Medical, Inc. | Merger and Change of Name |
| Feb 3, 2023 Reel 62589, frame 395 | Vivani Medical, Inc. | Cortigent, 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
Feb 2028
Term ends Feb 27, 2028. No further fees fall due before then
Note
The 132 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
8
later US patents cite this one
That is below the median of utility patents granted in 2011 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.