The phrase "intellectual property" describes any work that is distinct, owned, and protected by patent, trade secret, or copyright laws.
Examples of protected work:
An invention or technique that you patent (i.e.: the ARM processor in most mobile devices, designed to run fewer instructions and take up less memory).
Proprietary technology protected by trade secret laws so that an employee cannot reverse-engineer software or sell information to a competitor.
An API package protected by copyright, so that no one may use, modify, or redistribute the API without permission. (i.e.: Google copied Oracle’s JAVA API for android).
Copyright is intended for creative work, and does not protect facts, ideas, or common knowledge, such as mathematical calculations or widely-used instructions.
You may use material that is explicitly stated as: