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Having said above, however, the Court have required high market shares to infer monopoly power. The Court of Justice in Hoffmann-La Roche said “although the importance of the market shares may vary from one market to another the view may legitimately be taken that very large market shares are in themselves, and save exceptional circumstances, evidence of the existence of a dominant position. An undertaking which has very large market share and holds it for sometime…is by virtue of that share in a position of strength”.According to the Case law of ECJ, the following conclusion conclusions regarding relevancy between relevance of market shares and dominant position are assessing dominance are led.
1) Dominance where an undertaking has a market share of 50 per cent or more.
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