THIRD PARTY LEGAL NOTICES
Steam and other Valve products distributed via Steam use certain third party materials that require notifications about their license terms. You can find a list of these notifications in the file called ThirdPartyLegalNotices.doc distributed with the Steam client and/or a particular Valve product. Where license terms require Valve to make source code available for redistribution, the code may be found here. Some geospatial data on this website is provided.
CLAIMS OF COPYRIGHT INFRINGEMENT
Valve respects the intellectual property rights of others, and we ask that everyone using our internet sites and services do the same. Anyone who believes that their work has been reproduced in one of our internet sites or services in a way that constitutes copyright infringement may notify Valve via this page.
More information about U.S. copyright law can be found at the United States Copyright Office