Term ends Apr 23, 2037 · High confidence
20-year base term ends Jul 30, 2034
Held by Emotiv Inc.
Filed Jul 30, 2014 as application 14/447,326 · Granted Feb 5, 2019
Base term plus 998 days of patent term adjustment (USPTO delay)
Today
2014
2037
Clock starts
Jul 30, 2014
Jul 30, 2014
Term ends
Apr 23, 2037
Apr 23, 2037
Granted
Feb 5, 2019
Feb 5, 2019
base term
patent term adjustment
fee events
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
998
Days of term adjustment
Read from the USPTO patent term adjustment record, not recalculated here.
None
Terminal disclaimer
No disclaimer on this record.
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.
4
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 998 days past its 20-year base term on prosecution delay. 2 of 3 maintenance fees are paid so far. 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 30, 2014, when this application, 14/447,326, was filed | Jul 30, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +998 days, USPTO patent term adjustment record | Apr 23, 2037 | 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 | 2 of 3 maintenance fees paid | In force | High confidence |
| Computed term end | The steps above, in order | Apr 23, 2037 | High confidence |
This family
| US 10,194,865 | this patent Apr 2037 | Apr 2037 |
| US 10,806,400 | In force Jul 2034 | Jul 2034 |
| US 11,974,859 | In force Jan 2037 | Jan 2037 |
| Application 18/625,638 | Pending 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 |
|---|---|---|---|
| Aug 22, 2014 Reel 33590, frame 552 | Le, Tan; Mackellar, Geoffrey | Emotiv Lifesciences, Inc. | Assignment of Assignor's Interest |
| Apr 22, 2016 Reel 38502, frame 731 | Emotiv Lifesciences, Inc. | Emotiv Inc. | Change of Name |
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
Apr 2037
Term ends Apr 23, 2037. Maintenance fees still fall due before then
Note
The 998 days of patent term adjustment (USPTO delay) are read from the USPTO record, not recalculated by us
Citations
40
later US patents cite this one
That is top 10% of utility patents granted in 2019 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.