There is no predetermined amount of copyrighted material that can be used before an infringement occurs.
US Copyright Law sets out criteria that has to be considered before something can be judged to be "fair use"
# The purpose and character of the use, including whether such use is of commercial nature or is for nonprofit educational purposes # The nature of the copyrighted work # The amount and substantiality of the portion used in relation to the copyrighted work as a whole # The effect of the use upon the potential market for, or value of, the copyrighted work
Just the one: copyright.
Individual words are not protected by copyright.
No. Names, titles, and common words/phrases are not eligible for copyright protection. They can be (and many time are) registered as trademarks however.
Words and short phrases do not qualify for copyright protection. Cheerios is a registered trademark.
No. Names, titles and common words/phrases do not qualify for copyright protection.
No, you cannot copyright the word "dictionary" itself as it is a common term. Copyright protection does not extend to single words or short phrases. However, you can potentially copyright the content, arrangement, and design of a specific dictionary as an original work of authorship.
That would be copyright infringement if the original song was protected.
Individual words do not qualify for copyright protection, and there is no trademark registered with that word.
No. Names, titles and common words/phrases ae 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.
You cannot. Names, title, and common words/phrases do not qualify for copyright protection.
Individual words cannot be protected by copyright, and Bethesda has not registered it as a trademark. Keep in mind that Bethesda has registered many words, phrases, and logos related to Fallout as trademarks, so your intended use may be infringing in other ways.