The Supreme Court of the United States has issued dozens of decisions per year since it first commenced in 1790. A few are ingrained into the consciousness of every American, but far more live in dusty journals, cited only by lawyers and judges. Some of those obscure cases have had a profound effect on the daily lives of Americans, codifying laws related to everything from commerce to citizenship to caffeine. Chances are you’re allowed or not allowed to do something because of a Supreme Court ruling you’ve never heard of. See some of them here!