AutoCAD OwnerGuard
AutoCAD OwnerGuard uses the full power of OwnerGuard technology to provide a real Security, Distribution, Publishing, Watermarking, Licensing and DRM solution for Autodesk AutoCAD Drawings (DWG). Now you can gain full control over your drawings usages, distribution and ownership rights.
Vendor: Armjisoft
Vendor site - http://www.armjisoft.com/
Download Link - http://www.armjisoft.com/?page=autocadownerguard