Teigha for .DWG

Copyright (c) 2003-2010, Open Design Alliance (the "Alliance") 

This software is owned by the Alliance, and may only be incorporated into
application programs owned by members of the Alliance subject to a signed
Membership Agreement and Supplemental Software License Agreement with the
Alliance. The structure and organization of this software are the valuable
trade secrets of the Alliance and its suppliers. The software is also
protected by copyright law and international treaty provisions. Application
programs incorporating this software must include the following statement
with their copyright notices:

  Teigha(TM) for .dwg files (c) 2003-2010 by Open Design Alliance.
  All rights reserved.

By use of this software, you acknowledge and accept these terms.