"We draw the line at agency reference to or reliance on Genentech trade secret and confidential commercial data and information to approve a competitor's product, " the petition states.

FORBES: Genentech's Generic Battle

The Vatican also said that the contents of a report prepared by a commission tasked with investigating the leaks of confidential information would remain secret and would be passed on to the new pope.

BBC: Pope Benedict XVI amends Roman Catholic conclave law

Sensitive Compartmented Information is information that not only is classified for national security reasons as Top Secret, Secret, or Confidential, but also is subject to special access and handling requirements because it involves or derives from particularly sensitive intelligence sources and methods.

CNN

Mr Bright said none of the documents were marked 'top secret' and all were confidential or less.

BBC: RELATED BBC SITES

Personal data about staff can still be restricted, but it is harder for authorities to keep other material secret on the basis that it is confidential or threatens commercial interests than it would be in response to an FOI request.

BBC: The Wallis files: What the police can and can't find

WikiLeaks, which facilitates the anonymous leaking of secret information, has published about 250, 000 confidential U.S. diplomatic cables, causing embarrassment to the government and others.

CNN: WikiLeaks releasing 2.4 million Syria e-mails

Confidential: Stories Exposed explore changing themes like "tripping" and "secret identity".

BBC: New York stories