Term ends Feb 27, 2034 · High confidence
20-year base term ends Feb 27, 2034
Held by Alcon Inc.
Filed Feb 27, 2014 as application 14/191,886 · Granted Jul 4, 2017
Base term, 20 years from filing
Today
2014
2034
Clock starts
Feb 27, 2014
Feb 27, 2014
Term ends
Feb 27, 2034
Feb 27, 2034
Granted
Jul 4, 2017
Jul 4, 2017
base term
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
None
Term adjustment
No prosecution delay on this record.
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.
6
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. 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 Feb 27, 2014, when this application, 14/191,886, was filed | Feb 27, 2034 | 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 | 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 | Feb 27, 2034 | High confidence |
This family
| US 9,693,896 | this patent Feb 2034 | Feb 2034 |
| Application PCT/US2014/027307 | PCT application no patent term | no patent term |
| US 9,545,336 | In force Feb 2034 | Feb 2034 |
| US 10,143,588 | In force Feb 2034 | Feb 2034 |
| US 10,736,776 | In force Feb 2034 | Feb 2034 |
| Application 16/174,820 | Abandoned 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 |
|---|---|---|---|
| Feb 27, 2014 Reel 32313, frame 487 | Sussman, Glenn Robert | Alcon Research, Ltd. | Assignment of Assignor's Interest |
| Feb 27, 2014 Reel 32313, frame 657 | Alcon Research, Ltd. | Novartis AG | Assignment of Assignor's Interest |
| Aug 18, 2014 Reel 33553, frame 769 | Sussman, Glenn Robert | Alcon Research, Ltd. | Assignment of Assignor's Interest |
| Aug 18, 2014 Reel 33553, frame 942 | Alcon Research, Ltd. | Novartis AG | Assignment of Assignor's Interest |
| May 21, 2018 Reel 45855, frame 752 | Bourne, John | Alcon Research, Ltd. | Assignment of Assignor's Interest |
| May 21, 2018 Reel 45855, frame 835 | Carpenter, John | Alcon Research, Ltd. | Assignment of Assignor's Interest |
| May 21, 2018 Reel 45855, frame 866 | Alcon Research, Ltd. | Novartis AG | Assignment of Assignor's Interest |
| Dec 10, 2019 Reel 51454, frame 788 | Novartis AG | Alcon Inc. | Confirmatory Deed of Assignment Effective April 8, 2019 |
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
Feb 2034
Term ends Feb 27, 2034. Maintenance fees still fall due before then
Citations
14
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.
In force means the term is running and no lapse is on record. It is not a finding that the patent is valid.