Less than a handful of casebooks are truly open source, in the sense of being fully modifiable. Patent Law: An Open-Source Casebook is the first patent law casebook that provides adopting professors, students, and others the ability to fully modify its contents. This chapter of the casebook covers defenses to infringement, including inequitable conduct, patent exhaustion, patent misuse, laches, equitable estoppel, experimental use, and spoliation of evidence
