 Her advocacy work before the Inter-American Court of Human Rights contributed to pivotal changes in the Inter-American regional system.Monica Feria-Tinta pioneered the rights of victims in the Inter-American system challenging for the first time the use of State appointed Ad hoc Judges in individual petitions before the Inter-American Court of Human Rights, which led to the end of a practice that had existed for nearly two decades.She also advocated for the need of a Victims' Fund for legal aid before the Inter-American Court of Human Rights to ensure access to justice and equality of arms for victims.