This article is a contribution to the discussion and analysis of the law-students' English- language writing skills necessary for effective legal analysis. This paper covers some linguistic issues of lawyer's writing skills developed at law-students studying English at the Institute of Law, Peoples' Friendship University of Russia (RUDN University). The actuality and relevance of this paper is based on the need for adequately prepared lawyers competent to write a speech and various types of legal documents. The goal of the current study is to determine that lawyer's well-developed writing skills contribute to grammatical, lexical, stylistic correctness and effectiveness of legal analysis. To achieve this primary purpose, a descriptive analysis is proposed as a means of presenting key ideas. The methodological bases of the paper are the conceptual provisions of Russian and foreign researchers in the field of applied aspects of linguistics, theory and methodology of teaching foreign languages, intercultural interaction, and English for special purposes. The practical value of the current research is in deepening law-students' knowledge of the English, Russian languages using the rules of morphology, syntax, stylistics adequately and in mastering their writing skills and abilities of the legal opinions' argumentation and justification, the norms of law competent elucidation in these languages. The results of the study may be useful and implemented by the faculty members teaching foreign languages to law-students at non- linguistic universities, because RUDN University law-students' writing skills became stronger and more advanced, students' personal achievements, legal analysis awareness and interdisciplinary subject matter understanding deepened during the period of this study.