Jonathan S. Masur 21115291D www Wed, 01/01/2025 - 12:00 Jonathan S. Masur & Lisa L. Ouellette, Patent Law: Cases, Problems, and Materials (4th ed.) (Open Source at patentcasebook.org, 2025). 21115291D Patent Law: Cases, Problems, and Materials (4th ed.) (Open Source at patentcasebook.org, 2025) (with Lisa L. Ouellette). 0 Book - Author