Term ends Feb 27, 2034 · High confidence
20-year base term ends Feb 27, 2034
Held by Alcon Inc.
Filed Sep 29, 2016 as application 15/280,802 · Granted Dec 4, 2018
Base term plus 100 days of patent term adjustment (USPTO delay) · capped by a resolved terminal disclaimer
Today
2014
2034
Clock starts
Feb 27, 2014
Feb 27, 2014
Term ends
Feb 27, 2034
Feb 27, 2034
Granted
Dec 4, 2018
Dec 4, 2018
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
100
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 9,545,336.
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 runs 100 days past its 20-year base term on prosecution delay. A terminal disclaimer resolved from the filed document caps it earlier. 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 application 14/191,886, the earliest non-provisional in its chain, was filed (this one was filed Sep 29, 2016) | Feb 27, 2034 | High confidence |
| Continuity chain | Every parent in the chain resolved | no change | High confidence |
| Patent term adjustment | +100 days, USPTO patent term adjustment record | Jun 7, 2034 | High confidence |
| Terminal disclaimer cap | Disclaimer resolved from the filed document (refs US 9,545,336) | capped to Feb 27, 2034 | 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 | In force 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 | this patent 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 |
|---|---|---|---|
| Sep 29, 2016 Reel 39900, frame 53 | Sussman, Glenn Robert | Alcon Research, Ltd. | Assignment of Assignor's Interest |
| Sep 29, 2016 Reel 39900, frame 111 | 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
Note
The 100 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 9,545,336.
Citations
0
later US patents cite this one
That is below the median of utility patents granted in 2018 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.