This document presents a comprehensive solution to an Intellectual Property Law assignment, addressing key concepts such as copyright, trademarks, and designs. The assignment is divided into two parts. Part 1 examines a case involving Nirvana LLC and Marc Jacobs International, focusing on copyright infringement under the Copyright Act 1968 (Cth) and the tort of passing off. It analyzes the issues, regulations, and applications of these legal principles, leading to conclusions regarding the rights of Nirvana LLC. Part 2 delves into trademark and design law, evaluating the success of Little Guy Pty Ltd in registering its trademark and addressing issues arising under the Designs Act 2003 (Cth) in a scenario involving Becky and Bottle Butt Pty Ltd. The solution provides detailed analyses of relevant sections of the Trade Marks Act 1995 (Cth) and the Designs Act 2003 (Cth), offering insights into the registration process, infringement, and remedies. The document concludes with a bibliography listing relevant articles, books, cases, legislation, and other resources used in the analysis.