在牙膏管上或者纸杯上标记不存在或者过期的专利号多年前就是一种违法行为了。
Marking a tube of toothpaste or paper cup with a patent that is out of date or doesn't exist has been against the law for years.
产品生产商的律师如今害怕他们的客户要为错误标记了过期专利号的每一管睫毛膏或者每一盒垃圾袋支付最高500美元的罚款——这种错误实际上是很常见的。
Lawyers for product manufacturers now fear clients are liable for up to $500 for every tube of mascara or box of garbage bags marked with an expired patent—an error that turns out to be quite common.
像立普妥这样的拳头产品的专利过期时，来自仿制药的竞争使其价格暴跌，有时不足原价的十分之一。
When patents on blockbusters like Lipitor run out, generic competition ensures that prices collapse quickly-sometimes to a tenth of their former levels.
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