All > Law > Intellectual Property > Patent

• Ineffective or void under the law. A patent can be invalided if it was issued in error.

  Robert M. Hunter, Ph.D. - Cite This Source - This Definition
  ×

  Cite Definition for Invalid

  American Psychological Association (APA)

  Invalid. (n.d.). Glossary of Patent Terms. Retrieved March 21, 2023, from website: http://www.expertglossary.com/definition/invalid.

  Chicago Manual of Style (CMS)

  Invalid. www.webpatent.com. Glossary of Patent Terms. Robert M. Hunter, Ph.D.. http://www.expertglossary.com/definition/invalid (accessed: March 21, 2023).

  Modern Language Association (MLA)

  "Invalid." Glossary of Patent Terms. Robert M. Hunter, Ph.D.. 21 March. 2023 http://www.expertglossary.com/definition/invalid.

• Browse Related Terms: certificate of correction, double patenting, Invalid, Opposition, patent number, Patent Term, patentee, PTO (Patent and Trademark Office), reissue, Reissue Application, Reissue Patent, request for reexamination, Validity