Twynsta, Lantus and Vytorin are about to be expired in patent

This year, patent expirations of gigantic products, such as ‘Celebrex,’ an anti-inflammatory drug, ‘Cialis,’ an erectile dysfunction treatment, and ‘Baraclude,’ a hepatitis B treatment, have triggered fierce generic competition.

Depending on a patent expiration, about 100 products were launched in the market, which caused aggressive marketing among companies.

How about the market next year? S...