Yes; although it is mistakenly thought of as a folk song, it was composed by John Jacob Niles in 1933, and will be protected through 2028.
B. intellectual; copyright
B. intellectual; copyright
Ideas cannot be protected by copyright; only the expression of those ideas. If you write a script, it is automatically protected; registration is not required.
In the US, computer code is broadly characterized as a literary work, and as such can be protected by copyright.
No; formal registration is not required for protection.
US copyright laws can be copied to your heart's content, because as works of the US Government, they are not protected by copyright law, in accordance with...themselves.
There is no copyright protection for recipes as simple lists of ingredients; additional materials such as photographs, descriptions, and instructions may be protected. See the link below for specific information on recipe copyright in the US. Famous recipes such as Coca Cola and KFC are protected as trade secrets, which differ from copyright (for example, they can be protected in perpetuity).
Yes. For detailed (US) information, see the link below.
No; they are all protected by copyright.
Business names cannot be protected by copyright, but you can register it as a trademark for $375 on paper, $275 electronically.
Virtually all recordings are protected by copyright, and all contemporary music. Older works (prior to 1923 in the US) may not be protected, but arrangements, adaptations, performances, and recordings of it would be.
If material is not protected by copyright, the creator has no rights to it. For example, a person preparing a document in the course of his duties as an employee of the US Government has no rights to that document, because it is not protected by copyright in accordance with section 105 of the copyright code.