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The Leniency Program in the Spanish Competition Act: A Practical Vision

24 Pages Posted: 22 Oct 2012  

Clara Guzman Zapater

Comisión Nacional de la Competencia

Date Written: July 31, 2012


The investigation and prosecution of all anticompetitive agreements between competitors or the so called cartels is a priority for the Spanish National Competition Authority (CNC). The Leniency Program, being one of the most effective tools in destabilizing and dismantling these anticompetitive agreements, only came into force in Spain on March 2008. Following a four year experience, it may be concluded that this program, which was designed on the basis of its sister European programs, the results seem highly positive. The present document deals with its procedural characteristics and its effective application in Spain, through a comprehensive lecture of the CNC’s Council decisions on this matter.

Notes: Downloadable document is in Spanish.

Keywords: Cartel, Leniency Program, anticompetitive agreements, exemption or reduction of fines, Spanish National Competition Authority (CNC), Spanish Competition Act

Suggested Citation

Guzman Zapater, Clara, The Leniency Program in the Spanish Competition Act: A Practical Vision (July 31, 2012). Instituto de Empresa Business School Working Paper No. AJ8-188. Available at SSRN: or

Clara Guzman Zapater (Contact Author)

Comisión Nacional de la Competencia ( email )

Calle Barquillo 5
Madrid, Madrid 28004

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