A name, symbol (logo), or word used in connection with a good(s) sold or exchanged in commerce. Technically, if a certain mark is associated with a service it is called a service mark.
Ownership/protection of original works created by authors. The most common types of original works include: books, art, music, films/TV shows, and much more.
The right for an inventor to exclude others from making, selling, or using his/her invention for a certain period of time (i.e. a market monopoly). There are three types of patents available in the US: 1) design, 2) utility, and 3) plant.
Any confidential business information which provides a company with a competitive market advantage may be considered a trade secret.
Written permission from the owner of a patent, copyright, or trademark for a limited right to reproduce, sell, or otherwise distribute their work in exchange for a royalty or fee.