Lorazepam Patent Expiration

Lorazepam is Used for managing anxiety disorder in adults through once daily treatment. It was first introduced by Hikma Pharmaceuticals Usa Inc in its drug Ativan on Approved Prior to Jan 1, 1982. Another drug containing Lorazepam is Loreev Xr. 36 different companies have introduced drugs containing Lorazepam.


Lorazepam Patents

Given below is the list of patents protecting Lorazepam, along with the drug name that holds that patent and the company name owning that drug.

Drug Used in Drug Patent Number Drug Patent Title Drug Patent Expiry Drug Owner
Loreev Xr US8999393 Sustained release formulations of lorazepam Jan 08, 2034 Almatica



Lorazepam's Family Patents

Family Patents

Explore Our Curated Drug Screens

Drugs Generating Over $1 Billion in Annual Revenue
Explore the top-performing drugs that dominate the pharmaceutical industry
View List
NCE-1 Patent Expiry in the Next 1 Year
Identify opportunities as new chemical entity (NCE-1) patents approach expiry
View List
Recently Granted Patents in EP
Find the opportunity to file Oppositions
View List

Lorazepam Generic API Manufacturers

Several generic applications have been filed for Lorazepam. The first generic version for Lorazepam was by Quantum Pharmics Ltd and was approved on Aug 9, 1985. And the latest generic version is by Graviti Pharmaceuticals Private Ltd and was approved on Jul 24, 2025.

Given below is the list of companies who have filed for Lorazepam generic, along with the locations of their manufacturing plants worldwide.