Skip to main content
Unpublished Paper
The Ontological Function of the Patent Document
ExpressO (2012)
  • Andrew Chin
With the passage and impending implementation of the “first-to-file” provisions of the America Invents Act of 2011, the U.S. patent system must rely more than ever before on patent documents for its own ontological commitments concerning the existence of claimed kinds of useful objects and processes. This Article provides a comprehensive description of the previously unrecognized function of the patent document in incurring and securing warrants to these ontological commitments, and the respective roles of legal doctrines and practices in the patent system’s ontological project. Among other contributions, the resulting metaphysical account serves to reconcile competing interpretations of the written description requirement that have emerged from the Federal Circuit’s recent jurisprudence, and to explain why the patent system is willing and able to examine, grant and enforce claims reciting theoretical entities. While this Article is entirely descriptive, it concludes by identifying promising normative and prescriptive implications of this work, including the formulation of an appropriate test for the patent-eligibility of software-implemented inventions in the post-Bilski era.
  • patent,
  • written description,
  • enablement,
  • patentable subject matter,
  • abstract ideas
Publication Date
February 25, 2012
Citation Information
Andrew Chin. "The Ontological Function of the Patent Document" ExpressO (2012)
Available at: