17 November 2008
PATENT is a grant which is made by the government that confers upon the creator of an invention the sole right to make, use, and sell that invention for a set period of time.
COPYRIGHT is a legal right given to the author or creator of some original work like book, film etc for its use distribution and copying for a fixed term whereafter it is made available in the public domain.
TRADEMARK is the unique symble, style, logo or brandname by which an organisation wants to be known.