The document discusses the utility and eligibility requirements for biotechnology patents under 35 U.S.C. § 101, covering historical case law and examples such as Lowell v. Lewis, Diamond v. Chakrabarty, and Prometheus v. Mayo. It addresses the evolving interpretation of utility and patentability standards, emphasizing the need for substantial, real-world utility in patent claims. Key rulings and their implications on patent eligibility criteria, including the machine or transformation test, are also summarized.