01/24/2009 05:12 am ET Updated May 25, 2011

Oprah Winfrey's Harpo Productions Sued Over Book Club Software

A research business is suing the Oprah Winfrey's production company for patent infringement for illegally using software linked with the Oprah Book Club.

The federal claims Harpo Productions Inc. continues to use patented software without the consent of patent-holder Illinois Computer Research, LLC.

Read more on STNG/CBS 2