0 patents currently held
31 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
2 more records may belong here and await a decision; they are not counted.
This portfolio holds none of the 31 US patents in force on its record. from the record
Of the 31 now held by other companies, 30 were conveyed to Alcon Inc. in the filing they arrived in, and 1 more name another party. Each row says which.
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
none
Next term end
When these terms end
Held patents by the year their term ends
2026 · 0 end2027 · 02028 · 02029 · 02030 · 0
notable patents
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
None of the currently held patents qualifies as notable.
Formerly held, still cited
Notable
Ends Jan 2042 · High confidence
The most cited patent in this portfolio, cited by 7 later US patents, top 10% of utility patents granted in 2023 in our data. Protection runs to 2042.
conveyed to Alcon Inc.
Also notable
Ends Aug 2041 · High confidence
Cited by 3 later US patents, top 25% of utility patents granted in 2023 in our data. Protection runs to 2041.
conveyed to Alcon Inc.
Also notable
Ends Dec 2040 · High confidence
The earliest of the three still in force, granted 2022 and renewed since. Its term ends first, in 2040.
conveyed to Alcon Inc.
Fee deadlines
No maintenance fee falls due on this company's record before Nov 10, 2027.
Recent changes
- 3 of the patents on this record were granted since Aug 16, 2026
Patents held now
Soonest term end first.
Also on record: 31 patents in force now held by others · 4 patents ended · 56 applications pending · 5 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
2 terminal disclaimers are on file with no resolved reference. No cap is applied and none is guessed