Any process that activates or increases the frequency, rate or extent of DNA replication initiation involved in mitotic DNA replication.
Synonyms:
exact_synonym:
positive regulation of DNA replication initiation involved in mitotic cell cycle DNA replication; up regulation of DNA replication initiation involved in mitotic DNA replication; up regulation of DNA replication initiation involved in mitotic cell cycle DNA replication; upregulation of DNA replication initiation involved in mitotic DNA replication; upregulation of DNA replication initiation involved in mitotic cell cycle DNA replication
narrow_synonym:
activation of DNA replication initiation involved in mitotic DNA replication; activation of DNA replication initiation involved in mitotic cell cycle DNA replication