SGA2 - Worldwide renewal services for intellectual property. PatentData.com - Assesses the commercial potential of new patents. Micropatent - Distribution of patent information. Patent Service Center - Provides patent quality evaluation and defensive measures against patent infringement allegations. Metrics Group - Provides reports that help companies, universities, and governments extract value from patent assets. Magister Ltd - Patent services for database product developers, hosts and vendors, and related training services. Patent Ratings - An independent rating service that provides objective, statistical-based ratings of U.S. patents issued from 1981 to the present. Princeton World Wide Web, LLC. - Provides patents for sale and licensing, patent pending application assistance and workshops. PatentMetrix - Patent compliance and advisory services. Wisdomain, Inc. - Providing patent analysis tools and services. Sierra Wave Internet Arts - Assisting inventors with patent protection, and related intellectual property matters. European Patent Registration and Consulting Services GmbH - Providing worldwide intellectual property services. Based in Munich, Germany. Stroke of Color, Inc. - Provides patent services in area of technical experts, research and analysis.