Assertion: useful invention | /r/HasProperty | established in lowell
Facets:
value: v. lewis
type: OTHER
Source sentences:
text: The legal definition of what constitutes a useful invention established in Lowell v. Lewis remained the controlling definition of utility in United States patent law into the Twentieth Century, when it was superseded by the beneficial utility doctrine, which is defined to exclude from patentability anything immoral or deceitful.