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U.S. patent law[]

A declaration is a document in which a patent applicant declares, under penalty of fine or imprisonment, or both,[1] that (1) he or she is the original or sole inventor, (2) shall state of what country he or she is a citizen, (3) that he or she has reviewed and understands the contents of the specification and claims which the declaration refers to, and (4) acknowledges the duty to disclose information that is material to patentability as defined by 37 C.F.R. §1.56. An oath or declaration must be filed in each nonprovisional patent application.


  1. 18 U.S.C. §1001.