S.2369: A bill to amend title 35, United States Code, to provide that certain tax planning inventions are not patentable, and for other purposes.

Provides that tax planning inventions are not patentable. Defines a "tax planning invention" as a plan, strategy, technique, scheme, process, or system to reduce, minimize, avoid, or defer tax liability or to facilitate compliance with tax laws, excluding tax preparation software and other tools or systems used solely to prepare tax or information returns.