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by ghaff 921 days ago
In the US, company B would probably be in the clear--at least for the list of names and numbers. You don't necessarily get copyright protection just because something was a lot of work ("sweat of the brow"). The most relevant US Supreme Court case is Feist.
1 comments

https://en.wikipedia.org/wiki/Database_right

There is protection in a few notable jurisdictions so a violation would make the product illegal in those jurisdictions, which is a problem if it’s an online product.