There have been discussions on whether information can be ‘property’ for legal purposes (such as here and here), and the limits on that equivalence and the reasons for them. The English (and Welsh) Court of Appeal has recently addressed itself to that question again, in Your Response v Datateam Business Media  EWCA Civ 281.
In that case, Your Response was working on a database of Datateam’s customers. In a dispute about payment, Your Response claimed a lien over the database and refused to return it to Datateam in the absence of payment.
The Court of Appeal held that . . . [more]