 
      
  CJEU C-394/23 Mousse 9 Jan 2025
      members
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      5 min read
      
        
  
    
    
        Processing customers' titles to personalise communication based on gender isn’t essential for performing a contract; nor is it for a legitimate interest if they weren't informed beforehand, the processing isn't strictly necessary, or the balancing test goes in their favor. 
    
    
     
           
       
      