Sleven, the company (well, Sarissa) has proven that their words cannot be trusted. Therefore, we can only go on what they do. They have developed, and are applying for patents, for a new formulation. You can only conclude that they intend to commercialize it. Since they have also proven that they are extreme cost-cutters, we can also conclude that they would not spend the time, the money, and the human resources on development of a drug that they never intend to commercialize.
The only caveat being, it is possibly being "saved" for a buyer, as a carrot.
I would entertain other purposes for why they would spend the resources to develop something they have no intention of using. But I have not heard any reasonable explanations so far.
The company has never said that they intend to commercialize the product. We are assuming they will.