What IP rights? The trademark is dead. That's naming. Patents? Seems unlikely. That leaves copyright. It seems unlikely that anyone working on a Wordstar clo

What IP rights? The trademark is dead. That's naming. Patents? Seems unlikely. That leaves copyright. It seems unlikely that anyone working on a Wordstar clone is silly enough to have even glanced at the original source, so that's not it. Look-and-feel? Dead issues. And there's no API to copy, not that I believe an API is copyrightable as it is a functional spec. The United States Court of Appeals for the Federal Circuit can bite me.