I have written a simple code using VennDiagram,
venn.diagram(list("All Patents" = 1:140188, "Influential Patents" = 1:43271, "Valuable Patents" = 23314:90029),
col = 'transparent', fill = c("yellow", "orange", "green"), alpha = c(0.5, 0.5, 0.5),
cex = 1, cat.fontface = 4, cat.pos = 1, cat.cex = 0.75, cat.dist = -0.03,
cat.fontfamily = 'serif', scaled = TRUE, filename = "Patent_Venn_Diagram.emf");
However, the graph I generate is not proportional. Can someone please suggest me how to get a scaled plot.