A US court will today hear a request from Monsanto for access to a huge batch of internal communications by Avaaz, in a move that the campaign group says could have grave repercussions for online activism and data privacy. Monsanto is seeking the release of all lobby documents ... where the firm or its herbicide ingredient glyphosate have been mentioned. Avaaz says this would include personal information about its employees, as well as the email addresses of more than four million signatories to petitions against Monsanto's GM and glyphosate policies. A victory for Monsanto in today's hearing would cost the online advocacy group thousands of person-hours of work time, and hundreds of thousands of dollars, according to Avaaz's lawyers. It could even raise the prospect of a migration out of online activism by campaigners concerned about corporate surveillance. Monsanto's [request] demands all documents Avaaz employees have created, maintained, received, sent or copied, where these involve discussion about glyphosate, Monsanto, or the World Health Organization's International Agency for Research on Cancer, which found glyphosate to probably be carcinogenic. Monsanto filed its request shortly after a bitter EU regulatory battle ended with its license for glyphosate - the core ingredient in Roundup - being extended by just five years, rather than the 15 years originally sought.