Mobile wireless devices have taken the world by storm. There are billions of mobile and fixed devices deployed using wireless technologies. As a mobile wireless expert, Dr. Lavian has applied academic research and hands-on industry experience into a deeply skilled mobile wireless expert witness practice, blending technical knowledge of patent issues and subject matter expertise. His background provides him with a profound depth and breadth of knowledge regarding mobile wireless systems, devices, and networks. Dr. Lavian is highly experienced in many aspects of the relationships between wireless applications and their underlying communications service architectures, designs, and implementations.