The court must then characterise the issues to allocate the factual basis of the case to its relevant legal classes.
It refers to the usage of particular local laws as the basis or "cause" for the ruling, which would itself become part of referenced legal canon.
Once the forum court has ruled that it has jurisdiction to hear the case, it must then decide which possible law is to be applied.
But if there are "foreign" elements to the case, the forum court may be obliged under the conflict of laws system to consider: The lex loci arbitri is an element in the choice of law rules applied to cases testing the validity of a contract.
If there is no express selection of a proper law, the courts will usually take the nomination of a forum as a "connecting factor", i.e. a fact that links a case to a specific geographical location.
The state that has the largest number of connecting factors will be the lex causae applied to resolve the dispute between the parties.
It refers to the validity of the union, independent of the laws of marriage of the countries involved: where the two individuals have legal nationality or citizenship, or where they live (reside or are domiciled).
[citation needed] In the United Kingdom, the jurisdiction of England, or England and Wales, as well as in many other legal jurisdictions largely or partly following the British tradition of jurisprudence, in addition to their modified local versions of the English common law, the legal principle behind the legal term was modified, qualified and further elaborated, both by legal developments in the common law (Lord Dunedin's Berthiaume v D'Astous case (HL 1930) (AC 79), in which Dunedin in the Appellate Committee of the House of Lords ruled that "If a marriage is good by the laws of the country where it is effected, it is good all the world over, no matter whether the proceedings or ceremony which constituted marriage according to the law of the place would not constitute marriage in the country of the domicile of one or other of the spouses.
Lex loci protectionis (Latin: "[the] law of the place where the protection is [claimed]") is a choice of law rule applied to cases concerning the infringement of intellectual property (IP) rights, such as copyrights or patents.
Lex loci solutionis is one of the possible choice of law rules applied to cases that test the validity of a contract or that deal with a tort.
[16][17][18] In civil cases, locus in quo refers to "the place where the cause of action arose", that is, the land to which the defendant trespassed.