Federal law.
Not at all. Musica reservata was a particular style of a cappella music intended for small, limited audiences. Copyright infringement is a violation of federal law.
The reason copyright protection has a limited duration is so that works will eventually be added to the common, so everyone can benefit from them. In the US, copyright term is limited by the Constitution.
Copyright law cannot protect ideas, only the expressionof them in writing, sound, art, etc.
The notion of "fair use," which is included in US copyright law as section 107, allows certain limited unlicensed uses in cases such as scholarship and criticism.
They aren't. Copyright protection is for a limited time, while trademarks can be protected in perpetuity as long as they are in use.
Yes; most licenses are non-exclusive, limited, and revocable.
Cooking Mama Limited Corporation, of Hong Kong.
Copyright owners have the exclusive right to copy, alter, distribute, or perform/display the work, or authorize others to do so, for a limited time.
I'm not sure what you mean by this.Copyright is a bundle of rights ascribed to the creator of a work, giving him or her the exclusive right to copy, alter, distribute, or perform/display the work, or authorize others to do so, for a limited time.Copyright infringement is the violation of these rights: when someone other than the creator copies, alters, distributes, or performs/displays the work without permission from the rightsholder or an exemption in the law.
You may use copyright protected material when you are the copyright holder, or when you have permission from the rightsholder or an exemption in the law. The most notable exemption is fair use or fair dealing, which allows certain limited unlicensed uses in situations such as education and commentary.
The copyright owner has the exclusive right to copy, alter, distribute, or perform/display the work, or authorize others to do so, for a limited time.
While plagiarism violates many moral and ethical rule systems, copyright infringement is additionally a violation of federal law. Plagiarism is submitting someone else's work as your own, whether or not that work is also copyrighted, i.e., without giving credit for the true source. Copyright is the violation of the author's exclusive rights to duplicate, adapt, distribute, and publicly perform or display the work without authorization, even if you give credit to the author. Copyright eventually expires, but that wouldn't excuse plagiarizing it.