Partial Seizure — Patent Landscape

Aggregated US Orange Book patent estate across every approved drug for partial seizure. 44 active patents protecting 4 drugs from 4+ originators. First major cliff: 2032. Daily refresh.

4
Approved drugs
44
Active US patents
43/100
Avg vulnerability
$700M
Annual revenue covered

Originators in Partial Seizure

Companies holding active patents on drugs approved for this indication. Click through to each company's full patent dashboard.

Sumitomo Pharma Am 20 patents Sk Life 12 patents Catalyst Pharms 7 patents UCB 5 patents

Cliff calendar — next 15 years

Patent expiries per year across all drugs treating partial seizure. Each bar = one year. Y-axis scaled to peak year (12 patents).

7
26
12
28
9
30
10
32
6
39

Approved drugs ranked by patent estate

Drug Originator Active patents Avg vuln Revenue First cliff
Aptiom
ESLICARBAZEPINE ACETATE
 Sumitomo Pharma Am 20 50 — 2028-09-13
Xcopri
CENOBAMATE
 Sk Life 12 37 — 2032-10-30
Fycompa
PERAMPANEL
 Catalyst Pharms 7 26 $300M 2026-07-01
Briviact
BRIVARACETAM
 UCB 5 58 $400M 2030-04-09

Most attackable patents

Highest vulnerability scores in the indication — paragraph IV / IPR / design-around candidates.

Patent Drug Type Vuln Expiry
9763954 Aptiom method of use 75 2028-09-13
9763954 Aptiom method of use 75 2028-09-13
9763954 Aptiom method of use 75 2028-09-13
9763954 Aptiom method of use 75 2028-09-13
11654133 Xcopri method of use 70 2039-06-16
11654133 Xcopri method of use 70 2039-06-16
11654133 Xcopri method of use 70 2039-06-16
11654133 Xcopri method of use 70 2039-06-16
11654133 Xcopri method of use 70 2039-06-16
11654133 Xcopri method of use 70 2039-06-16

Strongest defences

Lowest vulnerability scores — pillars of the indication's IP fortress.

Patent Drug Type Vuln Expiry
7598279 Xcopri composition of matter 4 2032-10-30
7598279 Xcopri composition of matter 4 2032-10-30
7598279 Xcopri composition of matter 4 2032-10-30
7598279 Xcopri composition of matter 4 2032-10-30
7598279 Xcopri composition of matter 4 2032-10-30
7598279 Xcopri composition of matter 4 2032-10-30
8772497 Fycompa composition of matter 22 2026-07-01
8772497 Fycompa composition of matter 27 2026-07-01
8772497 Fycompa composition of matter 27 2026-07-01
8772497 Fycompa composition of matter 27 2026-07-01

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