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Private International Law is that part of a law of a country which deals with cases having foreign element and usually comes into operation whenever courts are seized with such cases. The term ‘foreign element’ means any system of law prevailing outside the lexfori, that is, the local law of the place where the court is situated. It includes not only the law existing in a state under a foreign political sovereign but also the law prevailing in a sub division of a political state of which the forum is part. The law of England and any other law of a country outside Nigeria can be treated as a foreign law. The laws of Northern Nigeria can also be treated as foreign law in the Southern Nigeria. There is also the inter-state conflict of laws, a situation which arises due to the divergent laws in each state. With the increasing international  relationship around the world, conflicts are bound to arise. Municipal laws of a State, which were promulgated and enacted into law to guide her own affairs, differ from one country to the other.
For example, the Nigerian Legal system has provisions different from English Legal system. Therefore, whenever a course of action arises between the two legal systems, and a decision is arrived at, such decision is referred to as the choice situation. For the purpose of this long essay, we shall be examining issues like in cases of dispute involving two or more municipal laws, which law should prevail? How will a State’s attitude to foreign law affect its recognition and enforcement? Also, to what extent will the municipal court give effect within the domestic rules of international law, which are contrary to domestic law, in cases where two or more customary laws are applicable, for example, in Nigeria, which one should prevail? All these and more shall be discussed in this essay.


The project looks into the problems which arise when one legal system has to deal with the legal rules of another in matters of private rights. More particularly, because the ultimate test of the recognition of foreign law is what courts do about it. This work is also concerned with how a court, sitting in one
country treats a case of private litigation in which the parties, the events or the circumstances demonstrate connections with one or more legal systems foreign to the court. The issue can raise in multifarious ways. An ordinary, apparently purely domestic, case may be found to have a significant connection with a foreign legal system. A case may be so genuinely international that it would be
a foreign case in any court. the law of the place where the property was located, that is, lex situs? The
deceased’s personal law was applied which is the Mohammedian law, prevailing among the Nupe people. This shows that the forms of appearance of a foreign element are numerous:
– The party may be foreign by nationality or may have a foreign domicile,
– The action may concern property situated abroad,
– Or a disposition made abroad of a property situated in Nigeria.
Just as the conflict of law exists because there are differences in systems of municipal law, so there are differences in the approaches that legal systems of Nigeria and other countries take to solving problems in the conflict of laws.

The raison d’être of Private International Law, also known as, conflict of law is the existence in the world of a number of separate municipal systems of law–a number of separate legal units- that differ greatly from each other in the rules by which they regulate the various legal relations arising in daily life. The occasions are frequent when the courts in one country must take account of some rule of law that exists in another.
There are several possible responses which a court can make when faced with a case having foreign contacts. Firstly, and most primitively, it can treat the case as a purely domestic one and apply its own law to its resolution regardless of the foreign element.
Secondly, a court could take a view that its processes are inappropriate for a case with foreign contacts and refuse to adjudicate upon it. A court would seek to ensure that national courts took jurisdiction only when they were, in their own eyes, the appropriate forum or, at least, not an inappropriate one. The
remaining possibility, and the one with which this book is concerned, is that the court recognizes that cases with foreign contacts cannot simply be turned away, and that they are special in the sense that they pose particular problems which demand serious treatment.

The overall objective of this study is to examine the differences between the Nigerian domestic law and other legal systems and find solutions to the conflict problems.
Specifically, the study aims at achieving the following:
· To examine and prescribe the conditions under which the court is competent to entertain a claim.
· To examine and determine for each class of case the particular municipal system of law by reference to which the rights of the parties must be ascertained.
· To examine and specify the circumstances in which (a) a foreign judgment can be recognized as decisive of the question in dispute and (b) the right vested in the judgment creditor by a foreign judgment can
be enforced by an action in Nigeria.
· To shed light on the level of experience and the depth of knowledge of Nigeria and some other countries in relation to private international law and how judges apply the principles of private international law.

The main focus of this study is based on cases where there are conflict between various municipal laws, be it within of outside a sovereign State, which then results to the choosing of a particular system to govern such. Special attention will be given to the Nigerian legal system in comparison and contrast with
other legal systems.

Private international law is not a separate branch of law in the same sense, as, say, the law of contract or of tort. It is all pervading. ‘It starts up unexpectedly in any court and in the midst of any process. It may be sprung like a mine in a plain common law action. In an administrative proceeding, in equity, or in a
divorce case, or a bankruptcy case, in a shipping case or a matter of criminal procedure. The most trivial action of debt, the most complex case of equitable claims may suddenly be interrupted by the appearance of a knot to be untied only by a Private International Law.’

Nevertheless, Private International Law is a separate and distinct unit in the Nigerian Legal System just as much as the law of tort or of contract, but it possesses this unity, not because it deals with one particular topic but because it is always concerned with one or more of the three (3) questions, namely:
a. Jurisdiction of the Nigerian court,
b. The choice of law,
c. Recognition and enforcement of foreign judgments.
All branches of private law will be considered, but only in connection with these three matters.

The method to be adopted for this study will be based on primary and secondary sources (materials.) They include statutes, local and foreign textbooks, law journals, law dictionaries, opinions of legal writers, law reports and reported cases from case books, available literature on internet. Also, the historical, analytical and ethical methods are employed to dive deep into the study and have a good understanding of it.


‘Conflict of law and choice situation under which this topic is based is a wide area of study. Reference will be made to several foreign and Nigerian texts by distinguished authors. Various journals will also be referred to.
CHESHIRE AND NORTH’S Private International Law3 states that ‘Private International Law, then, is that part of law which comes into play when the issue before the court affects some fact, event or transaction that is so closely connected with a foreign system of law as to necessitate recourse to that
It has, accordingly, been described by THOMAS BATY4 as meaning The rules voluntarily chosen by a given State for the decision of cases which have a foreign complexion.
Can it be possible that a Dutch father stepping on board a steamer at Rotterdam with His dear and lawful child should on arrival at the port of London find that the child has become a stranger in blood and in law and bastard fillus nullius.
OBILADE A.O.6 on his own part believed that there are statutory choices of laws for determining inappropriate cases whether it is a customary law or noncustomary law that governs a particular set of circumstances. He also opined that the rule of customary law is an alternative to English law and the
customary law to be valid it must have passed the incompatibility test. He appreciated the fact that there is conflict between the English law and the rule of customary law and also that there may be the problem of which choice of customary to apply when two customary laws compete on the same subject
According to RAYMOND SMITH, in his book, Conflict of Laws7, he is of the opinion that a case with obvious contacts with one country may happen to be litigated in another because the plaintiff finds some advantage in bringing an action there or the defendant cannot be made subject to the jurisdiction of the country with which the case is, leally, most closely connected. A case may be so genuinely international that it would be a foreign case in any court.
ASEIN J.O.8 is of the view that there can be conflict between the rules of customary law and English law especially on marriage and succession cases. Therefore, if a person is subjected to two different laws at the same time, then, the problem is which of the rules will be applicable to the person.

Conflict lawyers use some Latin terms which have been adopted or derived from continental writers.
Lex causea The law which the court has determined as the governing law of the issue.
Lex domicile The law of the country where a person is domiciled.

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