Well, good luck with the "similarity" argument when it comes to fonts. We are, after all, talking about letter forms. Within the sans-serif family, the degree o

Well, good luck with the "similarity" argument when it comes to fonts. We are, after all, talking about letter forms. Within the sans-serif family, the degree of similarity has a lot to do with how much attention you pay to fonts and typography in general. Keep in mind that to some people (who probably don't care about cars) a Ford Fusion and VW Jetta look pretty similar. The same rules apply here. Similarity is in the eye of the beholder unless you're talking about some quantifiable metric.