This phenomenon has been a part of the legal experience since the 1950s, where it was restricted only to patents. Later, firms began to contract certain services to back door firms. The process of subcontracting part of the legal process to different countries is at a nascent stage, with relatively consistent market growth. Legal process outsourcing has predominantly been to countries that had previously taken advantage of the business process outsourcing wave. LPO providers have established themselves in Canada, India, the Philippines, the United States, Israel, and Latin America.