When Oracle Corp. decided to fight a patent infringement claim lodged against it by a tiny software firm, MangoSoft Inc., in 2002, the company was aware of the risks involved. The litigation could drag on for years, potentially costing the company millions of dollars in attorneys’ fees. It could lose customers because the suit targeted one of Oracle’s core database products. There was also a chance it could lose the case and end up paying millions in damages and be subjected to a court injunction.

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