Originally, lawsuits like these against inanimate objects were a legal convenience used when the courts had no idea who the owner was. Using them for asset forfeiture is a nasty piece of sophistry used to dodge normal due process requirements.
What is there not to fear about sharia law? Personally I'd be terrified of living under a legal system in which many of the basic rights I take for granted simply cease to exist, and in which my wife and any daughters I have are considered second-class citizens.
Why not simply file judgement against ideas and imagination next?