Summary:  by Alexander Bain and other inventors have been legally contested by Professor Morse and his associates, claiming infringement of patent rights. The litigation surrounding electric telegraph rights has incurred significant expenses for both parties, leading to legal battles before United States District Courts. Cases like Morse vs. Bain have perplexed lawyers and judges, with conflicting decisions challenging the broad extent of patent claims. Testimonies from various witnesses and evidence from past inventions in electric telegraphy have been presented, highlighting the intricate legal disputes and competition in the telegraph industry. The technological advancements and growing network of telegraph lines in the US have raised questions of patent infringement and monopolistic practices, shaping the future of communication technology.