This document contains three case studies related to legal issues and relevant laws in business. The first case study discusses whether Bob has violated any legal provisions by doubling his catch with the help of company incorporation. The second case study explores whether New Nirvana Ltd can be held accountable for the losses inflicted by Nuclear Blast Sounds Pty Ltd due to their negligent acts. The third case study examines whether Don has any right to sue Millennium Pty Ltd for his removal from the post of solicitor of the company. The document provides relevant laws, their application, and conclusions for each case study.