Byline: Tracey Boles
Aug. 29--The multi-national pharmaceutical companies GlaxoSmithKline and Pfizer have recently paid the price for taking a casual approach to drug patents in China in the early 1990s. Their nonchalance has allowed Chinese drug makers to manufacture cheap generic copies of best-selling drugs out to launch patent challenges.
More are sure to follow now precedents have been set. Lawyers are poring over patents filed before Chinese patent law came into effect on 1 January 1993; the lawyer who masterminded cases against Glaxo and Pfizer on beh