This is a print edition of Professor Jeremy Sheff's 2019 build of Open Source Property, a free online casebook for the first-year Property Law course at America

"I have studied Rosen's book in detail and am impressed with its scope and content. I strongly recommend it to anybody interested in the current controversies s

"Clear, correct, and deep, this is a welcome addition to discussions of law and computing for anyone -- even lawyers!"-- Lawrence Lessig, Professor of Law at St

Much of the innovative programming that powers the Internet, creates operating systems, and produces software is the result of "open source" code, that is, code

The book wraps up with a look at the legal effects--both positive and negative--of open source/free software licensing.