Flashpoints have included the patenting of naturally occurring biological material, genetic sequences, stem cells, "traditional knowledge," programs for computers, and business methods.
Patentable subject matter (or statutory subject matter), defining whether patent protection is available
British subject | Condensed matter physics | Organic matter | Matter of Britain | City of federal subject significance | Mathematics Subject Classification | condensed matter physics | The Dead Matter: Original Motion Picture Soundtrack | organic matter | The Heart of the Matter (film) | The Heart of the Matter | subject | Medical Subject Headings | Matter of France | matter | Human subject research | What's the Matter with Kansas? | What's the Matter with Helen? | Warm dark matter | The Matter of Araby in Medieval England | The cover of ''Portraiture: Facing the Subject'', showing Jean Auguste Dominique Ingres | Subject to Change: Artists for a Hate-Free America | Subject (philosophy) | subject (philosophy) | Subject-matter jurisdiction | Subject matter expert Turing test | Subject (grammar) | Soil organic matter | Single-subject rule | Single-subject research |