Ma. Rosario Lombera González

Baker & McKenzie Abogados, S.C.


Maria del Rosario Lombera is member of Baker McKenzie’s Employment Practice Group in Mexico City. She was a member of the Mexican Commission of Employers before the International Labour Organization at annual conferences in the Commissions of Social Security and Globalization and Employment, and has participated in several meetings of seasoned practitioners in the field of social security. Maria joined Baker McKenzie Abogados in 1985, and became a partner in 2005. She spoke in several seminars including the Technical Workshop on Unemployment Insurance Systems in America held in Florida and Montevideo, Uruguay.

Practice Focus

Maria has extensive experience in the areas of compensation and benefits, as well as dues derived from the Social Security Law, the National Workers Housing Fund Institute Law and Pension Plans, and outsourcing matters.

She also advises clients on labor tax planning and represents them in payroll tax-related contributions litigation matters. Maria has worked significantly with companies of the oil and gas sector, particularly in the planning of the structure and setting up of their operations in Mexico and in forming labor and social security standpoints.

Representative Legal Matters

  • Provided analyses of the Social Security Law to the Mexican Social Security Institute, Consejo Coordinador Empresarial, and the Congress at several events concerning amendments to the Social Security Law and its regulations.

Professional Associations and Memberships

  • Mexican Bar Association - Sub-coordinator, Labor and Social Security Committee
  • Mexican Women Lawyers Association - Member
  • Latin America Steering Committee of Labor Practice Group - Member


  • Mexico (1990)


  • University of San Diego School of Law (LL.M.) (1995)
  • Universidad del Nuevo Mundo (M.C.L. Honors) (1990)


  • English
  • French
  • Spanish


Author, General Rules for the Compliance of the Obligation Established in the Fifth Paragraph of Article 15-A of the Social Security Law (Outsourcing), 2017

Author, Publication of the Amendment to the Social Security Law Related to Outsourcing, 2009

Author, Amendments to the Social Security Law on Unemployment

Co-author, "Relevant Issues and Practical Applications for Retirement and Pensions in Mexico," Mexican Finance Institute of the IMEF, 2012