Onno Percy Heyken

At a glance

Languages

English

Focus areas

Employment law (Arbeitsrecht), Marriage and family law (Ehe- und Familienrecht), Inheritance law (Erbrecht), Social security law (Sozialrecht), Traffic criminal and regulatory offences law (Verkehrsstraf- und OWi-Recht), Family law (Familienrecht), Tenancy law (Mietrecht), Condominium law (Wohnungseigentumsrecht), Criminal law (Strafrecht), Traffic criminal law (Verkehrsstrafrecht), Civil law (Zivilrecht), Divorce law (Scheidungsrecht)

Opening hours

• Monday to Thursday: 8.00 to 13.00 & 14.00 -17.00
• Friday: 8.00 to 13.00

Sources: the firm's website, retrieved on 24 October 2026; Deutsche Anwaltauskunft des Deutschen Anwaltvereins, retrieved on 12 October 2026. Focus areas and opening hours are the lawyer's or firm's own words. Focus areas from the directories' fixed lists have an English label with the German term in brackets; all others stay in German.