As an image, a logo is automatically protected by copyright as soon as it is fixed in a tangible medium. If you want to use it in commerce, you may wish to register it as a trademark.
AnswerNo. All NFL logos are protected by, in some cases, both trademark and copyright law.
No; registration is not required for protection.
No; logos are protected by trademark law.
No, because names, titles, logos, slogans, and common words/phrases do not qualify for copyright protection. Depending on the logo however, they may be (& probably are) registered as trademarks.
Logos, along with names, titles, and common words/phrases are not eligible for copyright protection.
Logos are not eligible for copyright protection, so no it is not. However it may be, (& probably is) protected by trademark.
No. Names, titles, logos, common words/phrases are not eligible for copyright protection.
Names, titles, logos, slogans, and common words/phrases are not eligible for copyright protection. You can however copyright a graphical or audio expression of that name provided it meets the criteria for copyright.
No but it would be a violation of the respective trademarks Facebook & Twitter have on their logos.
Using NFL or team logos requires a license; this is an issue of trademark, rather than copyright.
Yes; logos and slogans are also protected by trademark law.
Logos are protected by trademark law, which is similar.