So the big question is: I've invented a logo. Where do I submit it, along with my identifying information, in order to get a certification (backed up by something that will hold up in court, like a notary's signature) that I uploaded and claimed it on a specific date? One obvious answer is "The US Copyright Office": http://www.copyright.gov/eco/index.html But that's $35 per registration. Seems like one of those onlin…
Logos are not copyrightable. You would trademark a logo.
"Several categories of material are generally not eligible for federal copyright protection. These include among others: ... Titles, names, short phrases, and slogans; familiar symbols or designs; mere variations of typographic ornamentation, lettering, or coloring; mere listings of ingredients or contents."
Every legally protected logo I've ever seen is trademarked either at a state or federal level.