Welcome to Blumenfeld Law AG - Attorneys-at-Law

We are a boutique family law firm based in Zürich, Switzerland. We provide legal advice, court representation and mediation in the field of family law and related practice areas.


We are focused on our client's individual goals and needs and offer advice and support at what can be the most stressful and challenging period in a client's life. Family Law is a highly sensitive legal field and every case requires individual advice. At BLUMENFELD LAW AG we offer a tailored service to each client. Our family law experts combine legal expertise, experience and empathy to achieve the best results. We are honest and passionate about what we do.

Practice Areas

As a boutique family law firm we are specialiced in the following fields:

  • Divorce and Separation
  • Child Law, e.g. Parental Responsibility, Residence, Custody, Visiting Rights
  • Child Maintenance
  • Child Protection Measures, e.g. Legal Guardianship, Deputyship
  • Cohabitation and Unmarried Couples (Separation and Planning)
  • Matrimonial Property Law, Pre- and Postnuptial Agreements
  • Estate Planning, e.g. Wills and Legacies
  • International Family Law

Blumenfeld Law AG

Dufourstrasse 105
8008 Zürich

Tel: +41 (0)44 322 10 00

Nicolas Blumenfeld, Attorney-at-Law

Thanks to many years as an attorney-at-law, judge and mediator, Nicolas has in-depth knowledge and extensive experience in various areas of civil law, especially in family law and related parctice areas.

Nicolas advises his clients in German and English.

E-mail to Nicolas Blumenfeld: nb@advokatur-blumenfeld.ch

Muriel Ego-Sevinc, Attorney-at-Law

Since Muriel started working as an attorney-at-law several years ago, she has focused on family law. She therefore has considerable experience in divorce, separation and maintenance proceedings. In addition to family law, she practices criminal law.

Muriel advises her clients in German, English, Turkish and Aramaic.

E-mail to Muriel Ego-Sevinc: ego@advokatur-blumenfeld.ch

Ursula Osterwalder, Attorney-at-Law

Ursula has gained several years of professional experience as a lawyer in various functions, including as a court clerk and as a trainee in a law firm in Zurich. In 2021, she successfully passed the bar exam of the Canton of Zurich. She specialises in family law.

Ursula advises her clients in German, English, French and Spanish.

E-mail to Ursula Osterwalder: osterwalder@advokatur-blumenfeld.ch