AT&T Intellectual Property is recognized as having one of the strongest patent portfolios in the industry. Our culture of continuous innovation ensures an ongoing stream of patent grants for leading edge technologies. Our portfolio is comprised of more than 10,000 issued patents that cover a broad array of technology areas which go far beyond today's telecommunications business. Our key patent technology areas include:

• Communications and Entertainment - video delivery, content management, advertising
• Customer Experience - ecommerce, email and web marketing
• Cloud Computing and Applications - SaaS, PaaS, laaS
• Wireless Technologies and Applications - Wi-Fi, LTE, PAN, mobile location
• Mobile Applications and Content Delivery - video, payments, cross platform operation
• Networking and Data Transmission - wireline, optical, wireless, systems management