Русско-англо-русский юридический словарь

The measure makes no direct reference to the much-disputed Article 18 of the labour code, which protects workers in larger companies from unfair dismissal and gives them a right to compensation when they lose their jobs for business reasons. (Reuters)

He is now bringing an unfair dismissal claim against the company. (Cambridge Business English Dictionary)

claim

a request to a court, government department, or company for something such as money or property that you believe you have a legal right to:

bring/file a claim against sb/sth He is now bringing an unfair dismissal claim against the company. (Cambridge Business English Dictionary)