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Sonia advises businesses on employment law issues, including litigation.

Employers look to Sonia for guidance on compliance with various state and federal employment laws. She also handles litigation related to allegations of discrimination, retaliation, workplace safety violations, harassment, and wage and hour violations.

Sonia conducts human resources training for employers on topics such as hiring processes, employment agreements, restrictive covenants, severance agreements, compensation requirements, and accommodations and leave under the Americans with Disabilities Act (ADA) and the Family and Medical Leave Act (FMLA).




  • Best Lawyers: Ones to Watch, Labor and Employment Law - Management, Litigation - Labor and Employment, 2021-2022
  • 5280 Magazine, Denver Top Lawyer, Labor/Employment: Defense, 2021
  • Leadership Council on Legal Diversity (LCLD) Pathfinder Program, 2021
  • Colorado Hispanic Bar Association (CHBA) Outstanding New Hispanic Lawyer, 2020
  • Latino Leaders Magazine, Latino Lawyer to Keep on the Watch, 2020
  • The Denver Bar Association, Pro Bono Star, 2020
  • Colorado Hispanic Bar Association (CHBA) Recognition for Going Above and Beyond to Advance the CHBA and the Latino Community, 2019
  • Colorado Law, Promising Start, 2019


  • J.D., University of Colorado Law School
    • Michael D. Nosler Diversity Scholar
    • Colorado Natural Resources, Energy & Environmental Law Review, Managing Editor
  • B.A., University of the Incarnate Word
    • Political Science
    • cum laude
    • Dean’s Scholarship
    • Rising Star of the Political Science Department 
    • Ethics Debate Club, President


  • Colorado
  • Montana

Professional Memberships and Certifications

  • Colorado Bar Association Leadership Training Academy Fellow, 2020
  • Colorado Hispanic Bar Association, Executive Committee Member and Vice President of Committees, 2019, 2020; Executive Committee Member and Secretary, 2021
  • Hispanic National Bar Association
  • National Employment Law Council Fellow, 2018, 2020
  • National Employment Law Council Newsletter, Co-Editor
  • Negotiated successful settlement on behalf of multi-state general contractor when Department of Labor (DOL) alleged employee misclassification, with overtime pay and tax penalties at stake.
  • Represented manufacturer in federal complaint when former employees violated noncompete agreement, reaching favorable settlement for client.
  • Obtained summary judgment in age discrimination and retaliation claim brought by former employee.
  • Served on legal team that defended financial company and its executive against $3M trade secrets and noncompete claim under Colorado laws, with successful resolution.
  • Represented global company in breach of noncompete and confidentiality issue.
  • Prevailed in sex discrimination and retaliation charge brought by former employee against transportation company in U.S. District Court for District of Colorado.
  • Defended energy client in gender discrimination case brought by former employee in U.S. District Court for District of Colorado, reaching positive outcome for client.
  • Defeated allegations of discrimination for multistate employers in various industries.
  • Achieved favorable settlement for employer in discrimination and retaliation case.
  • Achieved favorable settlement for employer in breach of employment agreement dispute.
Media Mentions | April 2020
Colorado Lawyer: Young Lawyers in Action
News Releases | June 14, 2019
Sonia Anderson Named Finalist for Colorado Bar Association Young Lawyer of the Year

The award recognizes a young Colorado lawyer for his or her outstanding contributions to the legal profession and community.

News Releases | November 07, 2018
Colorado Hispanic Bar Association Lauds Husch Blackwell with Outstanding Corporate Commitment Award

The Colorado Hispanic Bar Association has awarded Husch Blackwell its 2018 Outstanding Corporate Commitment Award.

Outside the Office

Sonia and her family enjoy Denver's hiking trails.

Sonia, her husband and their young son regularly enjoy Denver's gorgeous hikes and climbs. Even the family's Maltipoo, Primo, gets in on the fun.

Community Leadership

Sonia serves on the Colorado Hispanic Bar Association, which is committed to expanding legal opportunities for the state's Hispanic attorneys.

In addition to serving as CHBA Executive Committee Member and Vice President of Committees in 2019-2020, she also strives to engage and educate Latino students about careers in the legal industry. She mentors college students who want to attend law school for Law School Yes We Can and frequently speaks to the Latino Law Student Association at her alma mater, the University of Colorado. Additionally, Sonia is an active member of Judge Adam Espinosa’s Dream Team, which provides a platform for diverse students to meet and seek mentorship from diverse legal professionals.

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