But the time and effort to process a patent can be daunting. There are those who advocate not filing for patent protection until the product gives some assurance that it can be sold on the market. This argument makes sense in that it costs money first to obtain coverage, and second to police and defend the patented product. Horn Abbot spent over$500000 in legal fees just to challenge knock-offs (copies) of their board game. Apple Computer ignored Asian knock-offs of its Apple II simply because of the cost challenge these counterfeiters.