Barragán then joined Latham & Watkins LLP, where she worked on cases from land use to securities. While at Latham, Barragán was the lead lawyer in an immigration asylum case for a mother and child from Guatemala that took three years. After Hurricane Katrina, Barragán and her colleague Blake Megdal flew to Biloxi, Mississippi to provide pro bono help to victims of the hurricane withinsurance claims. She also served as a child advocate and was the Spanish-speaking adoption lawyer for low income families seeking adoptions.