drprash/tools PatentCliff 100% offline
FDA Orange Book · Patent expiry finder

PatentCliff

Find Orange Book patents expiring in any date window, at product or patent level, and export the results to Excel or CSV. Products and patents are joined on Appl_Type + Appl_No + Product_No.

Intended use and limitations

For research use only. Results reflect FDA Orange Book listings only and do not account for regulatory exclusivities, patent term extensions, pediatric exclusivity, litigation or unlisted patents. Not legal advice — verify before making business or regulatory decisions.

1. Load data files

Drop products.txt and patent.txt together, in any order.

Drop products.txt and patent.txt here or click to browse — files stay on your device
How to get the input files
  1. Direct download (try first): open fda.gov. It should download the Orange Book data files directly.
  2. If the direct download does not work or the link has changed: open the FDA Orange Book Data Files, find the Orange Book data files download (zip) and download it.
  3. Unzip it and take products.txt and patent.txt. The other files are not needed.
  4. Drop both files in the box above. Download fresh files each time, because FDA updates them regularly.

2. Filter

Results update as you change filters.

Quick range:

3. Results

Load both files to see results.