The paper explores the use of ChatGPT in developing a professional English course for law students at the tertiary level. It discusses the potential of ChatGPT in generating course materials, including curricula, syllabi, textbooks, and teaching resources. The study highlights the benefits of using ChatGPT in language education, such as saving time, enhancing content creation, and supporting language learning activities. However, it also acknowledges the need for human oversight and review to ensure the accuracy and appropriateness of the generated content. The authors developed a comprehensive course for Law English, incorporating ChatGPT-generated content while ensuring it met educational standards. The study emphasizes the importance of integrating AI tools like ChatGPT with traditional teaching methods to optimize learning outcomes. It also addresses concerns related to the use of AI in education, including issues of academic integrity and the potential for AI to replace human interaction in teaching. The paper concludes that ChatGPT can be a valuable tool in language education, but its use should be balanced with human guidance to ensure effective and ethical educational practices. The study provides a real-world example of how ChatGPT can be utilized in the development of a professional English course for law students, demonstrating its potential in enhancing language teaching and learning.The paper explores the use of ChatGPT in developing a professional English course for law students at the tertiary level. It discusses the potential of ChatGPT in generating course materials, including curricula, syllabi, textbooks, and teaching resources. The study highlights the benefits of using ChatGPT in language education, such as saving time, enhancing content creation, and supporting language learning activities. However, it also acknowledges the need for human oversight and review to ensure the accuracy and appropriateness of the generated content. The authors developed a comprehensive course for Law English, incorporating ChatGPT-generated content while ensuring it met educational standards. The study emphasizes the importance of integrating AI tools like ChatGPT with traditional teaching methods to optimize learning outcomes. It also addresses concerns related to the use of AI in education, including issues of academic integrity and the potential for AI to replace human interaction in teaching. The paper concludes that ChatGPT can be a valuable tool in language education, but its use should be balanced with human guidance to ensure effective and ethical educational practices. The study provides a real-world example of how ChatGPT can be utilized in the development of a professional English course for law students, demonstrating its potential in enhancing language teaching and learning.