The manual explores the fundamentals of scientific legal research methodology and the evolving role of LegalTech in modern legal studies. It examines the general principles of legal research methodology, current trends in legal research, and the integration of large language models (LLMs) in legal sciences. Additionally, it addresses the legal foundations for using Al and L.LMs, computational methods in legal research, and the application of legal technologies in judicial processes. The manual also discusses challenges in implementing new technologies in the legal field and explores prospects for their further development. This textbook is recommended as a guide for undergraduate and graduate students of law. It can also be used by academic researchers, independent scholars, legal professionals, and anyone interested in the intersection of scientific research methodology and LegalTech. This study guide is recommended for publication by the Scientific Council of the Center for Enhancing the Qualifications of Lawyers of the Republic of Uzbekistan, Order No. 2. dated March 27. 2025.