Yes
A patent liscense agreement is used to prevent someone else from producing the product you have produced (if you have a patent liscense agreement).
Tel me also advantages and disadvantages of Oligopoly?.
saturation of the markets it is looking to enter in
Some examples: legal barriers (e.g.) state-enforced monopolies); high fixed capital costs (e.g.) automanufacturing); price manipulation by leading firms in uncompetitive markets (e.g.) leading firms...