The San Francisco City Attorney's Office, led by Dennis Herrera, filed suit against the National Arbitration Forum March 24, 2008. According to http://thehill.com/homenews/house/60793-rep-kucinich-flap-reveals-sensitivity-of-contacts-with-courts-prosecutors, all the filings and discovery are under a 'protective order' issued by an Francisco Superior Court Judge Richard Kramer.
This is the standard behavior pattern of billionaires and movie stars, and those that don't want any raking through the muck. See Case Number: CGC-08-473569.
Read the protective order here.