Already a Bloomberg.com user?
Sign in with the same account.
Don't have an account? Sign up.
Help! I can't access my account.
Yahoo! Inc. accused Facebook Inc. in a federal court lawsuit of infringing patents related to Internet advertising and information sharing. Cory Johnson reports on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)
Running Time: 03:20
Max 250 characters
©2013 Bloomberg L.P. All Rights Reserved. Made in NYC Ad Choices