"An asset with a prime value which derives from the product of human knowledge, discovery, invention or mental creativity. Intellectual property covers a host of different types of product, e.g. a new drug, film or pop song, piece of computer software, book, cooking recipe, photograph, television game show format, the television rights to a football game, an innovative steel manufacturing process"
The New Penguin Business Dictionary
From Academic Search Premier database, here are some recent talk on Intellectual Property.
Also, check out, World Intellectual Property Organization