Angelica concentrates her practice on patent prosecution and intellectual property counseling. While in law school, Angelica earned the highest grade in artificial intelligence law for her paper on quantum computers. Angelica was a patent legal intern for IBM; she conducted inventor and examiner interviews, drafted responses overcoming statutory rejections, and drafted a patent for a computer application. 

Before becoming an attorney, Angelica was an analytical chemist for Boron Specialties, where she performed analyses of materials including hydrogen-based drone fuel, a chemical for lithium batteries, rocket fuel and bullet coatings; maintained the 500 MHz nuclear magnetic resonance instrument; and wrote technical procedures.