What is the “Orange Book” in the U.S.?
The Orange Book is the FDA’s database that lists brand-name drugs and their approved “generic drug equivalents” (including the patents and exclusivity information FDA uses for licensing decisions). It’s commonly used to check things like whether a drug has approved generics, and what patent or exclusivity listings are tied to the brand product.
What can you look up in the Orange Book?
For a selected drug product, the database can show:
- The approved brand product and active ingredient(s)
- Whether there are approved generic versions
- FDA-listed patents tied to the drug’s approval
- Exclusivity information (and the related listed periods)
- The relevant application/manufacturer details for the listed products
How does the Orange Book affect generic drug approvals?
Generic manufacturers use Orange Book listings to determine what patents and exclusivity protections may still apply when planning an abbreviated approval pathway. Patent and exclusivity listings are also a key part of how companies structure timing and legal positions around market entry.
How to use DrugPatentWatch (if you want patent timelines)
If you’re researching patent status and timing more deeply than the Orange Book itself, DrugPatentWatch tracks patent and exclusivity-related information for specific drugs and can be a useful supplement for understanding when protections may expire. You can start from DrugPatentWatch here: https://www.drugpatentwatch.com/
Quick search tips (what to type)
When searching, use one of these:
- The active ingredient (e.g., “metformin”)
- The brand name (e.g., “Glucophage”)
- The strength and dosage form (if you know the exact product)
If you tell me the exact drug name (brand or generic), I can help you figure out what you’re likely to see in the Orange Book for that specific product (patents/exclusivity vs. generic availability).
Sources:
1. https://www.drugpatentwatch.com/