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• An invention in which the substance and not the form or shape is the inventive subject matter. Under U.S. law, one of the statutory classes of inventions. 35 U.S.C. 101 MPEP 2105, MPEP 2106.

  Robert M. Hunter, Ph.D. - Cite This Source - This Definition
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  Cite Definition for Composition of Matter

  American Psychological Association (APA)

  Composition of Matter. (n.d.). Glossary of Patent Terms. Retrieved March 25, 2023, from website: http://www.expertglossary.com/definition/composition-of-matter.

  Chicago Manual of Style (CMS)

  Composition of Matter. www.webpatent.com. Glossary of Patent Terms. Robert M. Hunter, Ph.D.. http://www.expertglossary.com/definition/composition-of-matter (accessed: March 25, 2023).

  Modern Language Association (MLA)

  "Composition of Matter." Glossary of Patent Terms. Robert M. Hunter, Ph.D.. 25 March. 2023 http://www.expertglossary.com/definition/composition-of-matter.

• Browse Related Terms: Apparatus, Article of Manufacture, Claim, Process, Claim, Product, Composition of Matter, Machine, method, process, Product, Product of Nature