1. A category of intangible rights protecting commercially valuable products of the human intellect. * The category comprises primarily trademark, copyright, and patent rights, but also includes trade-secret rights, publicity rights, moral rights, and rights against unfair competition.
2. A commercially valuable product of the human intellect, in a concrete or abstract form, such as a copyrightable work, a protectable trademark, a patentable invention, or a trade secret. — Abbr. IP. 
Excerpt from Lionel Bently & Brad Sherman’s Intellectual Property Law (2001):
“While there is a close relationship between intangible property and the tangible objects in which they are embodied, intellectual property rights are distinct and separate from property rights in tangible goods. For example, when a person posts a letter to someone, the personal property in the ink and parchment is transferred to the recipient. . . . [T]he sender (as author) retains intellectual property rights in the letter.” 
2. Property (examples: copyrights; patents; trade secrets) that is the physical or tangible result of original thought. Modern technology has brought about widespread infringement of intellectual property rights. Example: the unauthorized reproduction and sale of videotapes, audiotapes, and computer software. See infringement of copyright; infringement of patent; literary property; piracy. 
Hard Intellectual Property – excludes others from using the invention without the holder’s consent even if others find the innovation independently.
- Trademark – word, phrase, logo, or other sensory symbol that serves as a signature for the manufacturer or seller to distinguish its products or services from those of others and to designate the source of goods or services.
Soft Intellectual Property – does not preclude independent creation by third parties.
Intellectual-Property Crime – illegally copying and selling someone else’s intellectual property. 
Notice: All material throughout this website is pertinent to people everywhere, and is being utilized in accordance with Fair Use.
: Black’s Law Dictionary Deluxe Tenth Edition by Henry Campbell Black, Editor in Chief Bryan A. Garner. ISBN: 978-0-314-61300-4
: Lionel Bently & Brad Sherman, Intellectual Property Law 1-2 (2001)
: Ballantine’s Law Dictionary Legal Assistant Edition
by Jack Ballantine (James Arthur 1871-1949). Doctored by Jack G. Handler, J.D. © 1994 Delmar by Thomson Learning. ISBN 0-8273-4874-6.
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