Maintenance Of Healing Erosive Esophagitis — Patent Landscape

Aggregated US Orange Book patent estate across every approved drug for maintenance of healing erosive esophagitis. 33 active patents protecting 3 drugs from 3+ originators. First major cliff: 2026. Daily refresh.

3
Approved drugs
33
Active US patents
58/100
Avg vulnerability
$1.3B
Annual revenue covered

Originators in Maintenance Of Healing Erosive Esophagitis

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

Takeda 22 patents AstraZeneca (originally Astra AB) 10 patents Pfizer 1 patents

Cliff calendar — next 15 years

Patent expiries per year across all drugs treating maintenance of healing erosive esophagitis. Each bar = one year. Y-axis scaled to peak year (8 patents).

8
26
4
27
4
28
1
29
4
30
2
32
2
36
7
39
1
40

Approved drugs ranked by patent estate

Drug Originator Active patents Avg vuln Revenue First cliff
Dexilant
DEXLANSOPRAZOLE
 Takeda 22 63 $300M 2026-07-17
Prilosec
omeprazole
 AstraZeneca (originally Astra AB) 10 37 $1.0B 2036-12-08
Pantoprazole Sodium
Pantoprazole Sodium
 Pfizer 1 73 — 2026-12-07

Most attackable patents

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

Patent Drug Type Vuln Expiry
8461187 Dexilant other 80 2026-07-17
8461187 Dexilant other 80 2026-07-17
8461187 Dexilant other 80 2026-07-17
7544370 Pantoprazole Sodium other 80 2026-12-07
7790755 Dexilant other 80 2027-02-02
7790755 Dexilant other 80 2027-02-02
8105626 Dexilant other 80 2027-03-27
8105626 Dexilant other 80 2027-03-27
8871273 Dexilant other 75 2028-07-11
8173158 Dexilant method of use 73 2030-03-17

Strongest defences

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

Patent Drug Type Vuln Expiry
10076494 Prilosec formulation 25 2036-12-08
10835488 Prilosec formulation 25 2036-12-08
10751333 Prilosec formulation 33 2039-07-16
11103492 Prilosec formulation 33 2039-07-16
11633478 Prilosec formulation 33 2039-07-16
12329752 Prilosec formulation 38 2039-07-16
12042539 Prilosec formulation 38 2039-07-16
12440566 Prilosec formulation 38 2039-07-16
11771686 Prilosec method of use 53 2040-03-01
8871273 Dexilant formulation 55 2028-01-11

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