US federal and State law is a foreign law if you're not an American attorney.  Foreign lawyers faced with assisting a client engaged with US legal issues need a quick source of reference to determine the panoply of US federal and state laws that will impact their client.  Finding one's way through the layered laws on both the U.S federal and American states levels is made easier with the Martindale-Hubbell Law Digests.   A perfect starting point for this information is the Martindale Hubbell Law Digest  where concise summaries of the law of each of the 50 American states can be conveniently accessed - use the postal abbreviation of the state and select that state from the menu that appears when you click on the foregoing link.  You can use these summaries to familiarize yourself with applicable state laws in order to have meaningful discussions with local US counsel, and as a starting point for further research.

Useful summaries of U.S. Federal Law and U.S. laws on Intellectual Property can be accessed in the following Martindale Hubbell U.S. Law Digests:

Martindale-Hubbell United States Federal Law Digest

Martindale-Hubbell United States Patent Law Digest

Martindale-Hubbell United StatesTrademark Law Digest

Martindale-Hubbell United States Copyright Law Digest

For a comprehensive analysis with practice tips, be sure to refer to our six-volume Matthew Bender & Co. treatise: "Doing Business in the United States".

If you are in need of more detailed or specific research and analysis, then you will find our full rangeof federal and State materials  from LexisNexis US through our bookstore or on Lexis.com