About Ob Express 2.0

*** Important note: We regret to inform you our mobile app will no longer be available as of 10/03/2024. In its place, we are excited to offer you a responsive web design option via the Orange Book. The Orange Book website provides a seamless experience, including access to all our features and services, online and on your mobile devices. You may access the site in its entirety at the following location: https://www.accessdata.fda.gov/scripts/cder/ob/index.cfm. *** We appreciate your understanding and support during this transition. ============================================ New in this version: • Search results and drug listings now clarify which listed drugs are reference listed drugs (RLDs) and which are reference standards. • The application now uses HTTPS encryption to provide a secure connection. With FDA’s Orange Book Express app, it’s now faster and easier to find information about: • Drug products approved on the basis of safety and effectiveness by the Food and Drug Administration (FDA) • Information about patents and exclusivity Orange Book Express allows you to: • Search by Active Ingredient or Proprietary Name; Applicant Holder (Firm); Application Number; or Patent Number. • Search all marketing statuses (Rx, OTC, Discontinued) with one search. • Look up patent and exclusivity information. • Identify Reference Listed Drugs (RLDs) and determine if a drug product has a therapeutic equivalent. • Browse Patent Delistings and Newly Added Patents.