Conflict of laws ( or private international law (both terms are used interchangeably) concerns relations across different legal jurisdictions between natural persons, and sometimes also companies, corporations and other legal entities. (Briggs (2008). The Conflict of Laws. pp. 2–3.; Rogerson (2013). Collier's Conflicts of Laws. pp. 3–4.)
Conflict of laws is a set of rules of procedural law which determine the legal system and the law of jurisdiction applying to a given legal dispute. In civil law, lawyers and legal scholars refer to conflict of laws as private international law. They typically apply when a legal dispute has a “foreign” element. In other words, Private International law or Conflict of law is a branch of interanational interstate laws and international law that controls all proceedings concerning a “foreign” law factor. (US Legal;