I am delighted to have participated in the Second Annual Intellectual Property Redux Conference and to publish this essay. I rarely look back at my older articles, but in Fall 2018 I was asked to give a keynote address at a conference held by the Biotechnology Innovation Organization (BIO), where the organizers asked me to speak about 35 U.S.C. § 101 and patent-eligible subject matter. In preparing my remarks, I had the opportunity to refer back to one of my earliest scholarly pieces—a 2007 article entitled Ants, Elephant Guns, and Statutory Subject Matter, published in the Arizona State Law Journal.1 It turns out, over the past twelve years, the only thing that has substantially changed in that time is how I refer to the issue, now preferring “patent-eligible subject matter” to “statutory subject matter.” However, there are some recent and coming changes to patent eligibility; in this essay, I will explain how some of these new changes finally move forward the proposals I made in 2007.

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