The Open Source Casebook provides an analysis of several key legal topics in open source, grounded in primary sources.

This casebook does not provide legal advice, and represents the views solely of its contributors in their individual capacities. Please consult with your own lawyer for legal advice.

You can contribute to the casebook at


The Casebook reproduces and discusses primary sources like case law, statutes, and license text.

Practitioner’s Guide

The Practitioner’s Guide outlines best practices for using and creating open source.

Except as otherwise noted, the content of this page is licensed under the CC-BY-4.0 license.