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void patent for deceptive specification

Definitions from Case Law · United States Supreme Court

Definitions from Case Law

From 84 U.S. 463 - Carlton v. Bokee · 1873Most cited · 55 citing opinions

where a specification by ambiguity and a needless multiplication of nebulous claims is calculated to deceive and mislead the public, the patent is void.

How often courts cite the case defining “void patent for deceptive specification”

18701880190019201940196017

Court decisions citing the opinion that defined “void patent for deceptive specification” — 55 in all, by decade. Counts are citations to the defining case as a whole, not verified uses of the term. The dip in the most recent years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the latest years.