
The computer software rights are licensed under exclusive legal right of the copyright holder. The licensee is given the right to use the software under certain conditions, but restricted from other uses, such as modification, further distribution, or reverse engineering. Most software are covered by copyright which, along with contract law, patents, and trade secrets, provides legal basis for its owner to establish exclusive rights.
A software vendor delineates the specific terms of use in an end-user license agreement (EULA). The user may agree to this contract in writing, interactively, called click wrap licensing, or by opening the box containing the software, called shrink wrap licensing. License agreements are usually not negotiable.
Any unauthorized or prohibited use of works under copyright, infringing the copyright holder’s exclusive rights, such as the right to reproduce, or to make derivative works of software without permission of proprietor of software and selling the same to the public is amount to infringement of rights of software proprietor . The copyright holder has all rights and to enforce copyright law through active policing of copyright infringement asking legal remedy.