Pfizer's Long March Through China's Courts

The pharma giant has won a key battle to stop local imitators copying anti-impotency drug Viagra. But the intellectual-property war rages on

Pfizer (PFE) executives had reason to be in a celebratory mood in early June. The pharmaceutical giant won an appeal in Beijing on June 2 that overturned a 2004 decision to invalidate the patent Pfizer obtained five years ago to produce the anti-impotency drug Viagra in China. The decision was hailed as a landmark victory for intellectual property rights in the Middle Kingdom, where all too often the odds are stacked against foreign companies.

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