Sakraida v. Ag Pro, Inc.’s Empirical Analysis
1976
Citation profile
316 federal appellate · 61 district · 17 state decisions
How this case has been cited
Cited by 782 later decisions (4 by the Supreme Court) — most recently December 2016 · most notably KSR International Co. v. Teleflex Inc. (2007), Goland v. Central Intelligence Agency (1978)
316 federal appellate · 61 district · 17 state decisions
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.
Appellate journey
reviewedAg Pro, Inc. v. Sakraida (from Fifth Circuit Court of Appeals)
Relationships
Applies 35 U.S.C. § 103
Relies on Graham v. John Deere Company of Kansas City Calmar Inc · Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp. · National Ass'n for the Advancement of Colored People v. Federal Power Commission · Anderson's-Black Rock, Inc. v. Pavement Salvage Co. · Julia Hotchkiss Executrix of John Hotchkiss Deceased John Davenport and John Quincy v. Miles Greenwood
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 782 citing decisions cite the case generally; a passage count includes only decisions quoting that exact language verbatim.
“in an effect greater than the sum of the several effects taken separately.”
56 later decisions quote this exact passage · from the majority“A patent may not be obtained though the invention is not identically disclosed or described as set forth in section 102 of this title, if the differences between the subject matter sought to be patented and the prior art are such that the subject matter as a whole would have been obvious at the time the invention was made to a person having ordinary skill in the art to which said subject matter pertains. Patentability shall not be negatived by the manner in which the invention was made.”
13 later decisions quote this exact passage · from the majority“did not produce a 'new or different function' . . . within the test of validity of combination patents.”
6 later decisions 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.