Final answer:
The trademarked name for the international organization is the International Alliance for Interoperability (IAI). The correct option is: 1).
Step-by-step explanation:
The trademarked name for the international organization that brings together architects, engineers, contractors, facilities managers, product manufacturers, and software vendors to define and develop open international standards and protocols for data exchange in building information modeling is the International Alliance for Interoperability (IAI). The IAI, now known as Building SMART International, is a global organization that promotes the use of open standards for building information modeling.