You purchased a license, not the software. What does the included EULA say? Next question, if Adobe's license with dolby became retroactively invalid, they mi

You purchased a license, not the software. What does the included EULA say? Next question, if Adobe's license with dolby became retroactively invalid, they might have done the IP equivalent of selling stolen goods. This might make you a pirate even if you have no way to know it. Morally, you're probably in the clear. Legally, you're in 'interesting case' territory, so lawyers can make you bleed for years. But that's basically always the case for just about any IP on this planet, so the question is basically: Are you worth the bother for Adobe or Dolby?