Nicolas' legal practice focuses on human rights with a focus on child rights, refugee rights and access to justice. Nicolas is a trusted adviser to global NGOs, corporations, UN agencies and governments. Recent work includes:
- Supporting implementation of the Convention on the Rights of the Child in Bangladesh through domestic legislative reform
- Supporting UNICEF to ensure children are included in the transitional justice programme in The Gambia
- Human rights observation visits to African prisons and disability institutions in Eastern Europe
- Norrie v NSW Registrar of Births, Deaths and Marriages - Australian High Court Case establishing the right of transgender people to have their gender accurately recorded on identity documents
- Drafting the baseline shadow report on Australia's implementation of the Disability Convention for the inaugural UN treaty body review
Nicolas has advised the following organisations:
- UNICEF
- UNHCR
- WFP
- UNGC
- UNAIDS
- Amnesty International
- ActionAid
- Human Dignity Trust
- Several governments in fragile and developing countries