secret under at least two judges' orders. Misappropriation Companies often try to discover one another's trade secrets through lawful methods of reverse engineering or employee poaching on one hand, and potentially unlawful methods including industrial espionage on the other. Acts of industrial espionage are generally illegal in their own right under the relevant governing laws, and penalties can be harsh. The importance of that illegality to trade secret law is: if a trade secret is acquired by improper means (a somewhat wider concept than "illegal means" but inclusive of such means), then the secret is generally deemed to have been misappropriated. Thus, if a trade secret has been acquired via industrial espionage, its acquirer will probably be subject to legal liability for having acquired it improperly⁠—this notwithstanding, the holder of the trade secret is nevertheless obliged to protect against such espionage to some degree in order to safeguard the secret, as under most trade secret regimes, a trade secret is not deemed to exist unless its purported holder takes reasonable steps to maintain its secrecy. History Roman law Commentators starting with A. Arthur Schiller assert that trade secrets were protected under Roman law by a claim known as , interpreted as an "action for making a slave worse" (or an action for corrupting a servant). The Roman law is described as follows: [T]he Roman owner of a mark or firm name was legally protected against unfair usage by a competitor through the actio servi corrupti ... which the Roman jurists used to grant commercial relief under the guise of private law actions. "If, as the writer believes [writes Schiller], various private cases of action were available in satisfying commercial needs, the state was acting in exactly the same fashion as it does at the present day." The suggestion that trade secret law has its roots in Roman law was introduced in 1929 in a Columbia Law Review article called "Trade Secrets and the Roman Law: The Actio Servi Corrupti", which has been reproduced in Schiller's, An American Experience in Roman Law 1 (1971). See Trade Secrets and Roman Law: The Myth Exploded, at 19. However, the University of Georgia Law School professor Alan Watson argued in Trade Secrets and Roman Law: The Myth Exploded that the actio servi corrupti was not used to protect trade secrets. Rather, he explained: Schiller is sadly mistaken as to what was going on. ...