Freedom To Operate Searching Guidelines

Is it quite common and important practice to conduct FTO search before launch a new product in market as it tells about the competitors in the market and also tells from whom license for the technology has to be taken to sell that product.  There are few things that need to be considered while conducting an FTO search. You should know in which country/region company is about to launch the product as the patent is jurisdiction specific you need to focus on only countries...