IP infringement and theft are different things, infringement is often done in regards to IP that is in the open, if I hack and steal your trade secrets which ar

IP infringement and theft are different things, infringement is often done in regards to IP that is in the open, if I hack and steal your trade secrets which are by definition secrets and not protected by a patent what is that then? And in any case you are arguing about semantics, "theft" is also technically not a singular legal definition but an amalgamation of different civil and criminal legal statues. In most jurisdictions intangible property also does fall under the broader definition of theft: https://en.wikipedia.org/wiki/Theft https://en.wikipedia.org/wiki/Theft