In the case of Gurbaaz Pratap Singh Mann vs Kunwar Raghav Bhandari and Ors., the Delhi High Court looked at whether the defendants had copied the plaintiff’s protected expression in a golf format. It held that similarities related to ideas and game mechanics do not amount to infringement. It found that the defendants had not reproduced any protectable expression from the plaintiff’s work.
Read more about No Copyright in a Golf Swing of Ideas