Matter of the Application of Walter L. Hack’s Empirical Analysis
1957
Citation profile
2 federal appellate · 4 district ·
How this case has been cited
Cited by 28 later decisions — most recently August 2008 · most notably In re Schreiber (1997), In re King (1986)
2 federal appellate · 4 district ·
Later decisions citing this case, by decade. The current decade is in progress, and our corpus holds fewer opinions from the most recent years, so the latest bars are undercounted — not a real decline.
Relationships
Relies on In re Thuau · Old Town Ribbon & Carbon Co. v. Columbia Ribbon & Carbon Mfg. Co. · In re Benner · Application of Craige
Most-quoted passages
The sentences later courts lift from this opinion, ranked by how many decisions quote each — the parts of the opinion doing the work. These counts are smaller than the citation total above because most of the 28 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“(A) patent on an old product, based on its new use, has never been authorized by the patent laws which provided for patents only on a new and useful art, machine, manufacture, or composition of matter, or any new and useful improvement thereof.”
2 later decisions quote this exact passage““The term ‘process’ means process, art or method, and includes a new use of a known process, machine, manufacture, composition of matter, or material.””
2 later decisions quote this exact passage“an indication of the broad field of contemplated use and is not a limitation to be considered in the question of patentability.”
1 later decision quote this exact passage
How this case has been treated — in progress
Whether each later court followed, distinguished, criticized, or overruled this decision. The treatment classification (task #35) runs highest-cited cases first and lights up here as it reaches this one.