Abstract: Methods and systems consistent with embodiments of the present invention provide flexible analysis of a portfolio of intellectual property (IP) assets. IP assets may include, for example, granted patents, registered trademarks, copyrights, patent applications, trademark applications, etc. Analysis consistent with the present invention may include, for example, forecasting worldwide cost estimates for a portfolio of IP assets. An IP portfolio may consist of one or more families of assets. For example, a patent family may include granted patents and related patent applications filed in countries and regional patent offices around the world. Furthermore, IP assets may be categorized into groups. For example, IP assets may be grouped by technology group, company division, patent manager, etc. In certain embodiments, an IP asset may be part of several groups.