Statement of the problem: In Corporate transactions, Attorneys spend hours searching online data rooms, reviewing company documents, contracts and other vital information which is time consuming and defeats the tasks of meeting deadlines. There has been difficulty, in speed-reading, vetting for errors, issue spotting based on particular words and phrases in contract agreements. The purpose of this study is to examine the relevance of artificial intelligence in delivery of legal services by lawyers, law firms, as well as its relevance in the administration of justice in international courts. Methodology and Theoretical orientation: both doctrinal methodology approach and also a geographical study of the legal market was utilized to focus on the rate and quality of legal service delivery and professionalism across firms all over major parts of the globe. Findings: In a recent US study carried out in 2018,it was discovered that human lawyers achieved an average accuracy of 85% in an average time of 92 minutes. However, in comparison to the AI, the success rate was at astonishing 92% with a record-breaking time of just 26 seconds. Conclusion and significance: artificial intelligence is changing quickly the legal industry and practice of law all over the world on how lawyers practice will operate in the future, given that employment and application of AI is an indispensable aid in technology, which every lawyer cannot ignore to be relevant in this 21st century. Recommendations are made for corporate and commercial law firms, international court of justice and international arbitration centers to employ artificial intelligence lawyer (software) called ROSS to help them analyze legal issues and make corrections that ordinarily would be invisible.