A patent is an exclusive right granted for an invention. Generally speaking, a patent provides the patent owner with the right to decide how - or whether - the invention can be used by others. In exchange for this right, the patent owner makes technical information about the invention publicly available in the published patent document. 

Copyright is a legal term used to describe the rights that creators have over their literary and artistic works. Works covered by copyright range from books, music, paintings, sculpture and films, to computer programs, databases, advertisements, maps and technical drawings. 

A trademark is a sign capable of distinguishing the goods or services of one enterprise from those of other enterprises. Trademarks date back to ancient times when artisans used to put their signature or "mark" on their products. 

An Importer -Exporter Code (IEC) is a key business identification number which mandatory for export from India or Import to India. No export or import shall be made by any person without obtaining an IEC unless specifically exempted. 

Trade license is a certificate/ document that permits an entity to carry on the business or trade activities in a particular municipal limit for which it is issued.