Who owns the copyright on the copyright symbol ©??
You cannot copyrite a familiar symbol, so the answer is nobody owns the copyright. See below from the US Copyright Office “What Is Not Protected by Copyright? Several categories of material are generally not eligible for federal copyright protection. These include among others: Works that have not been fixed in a tangible form of expression (for example, choreographic works that have not been notated or recorded, or improvisational speeches or performances that have not been written or recorded) Titles, names, short phrases, and slogans; familiar symbols or designs; mere variations of typographic ornamentation, lettering, or coloring; mere listings of ingredients or contents Ideas, procedures, methods, systems, processes, concepts, principles, discoveries, or devices, as distinguished from a description, explanation, or illustration Works consisting entirely of information that is common property and containing no original authorship (for example: standard calendars, height and weight
