It loses patent protection in 2011.

它将在2011年失去专利保护。

And patent protection.

专利保护。

The limits of the patent protection are defined by law.

对于专利保护的限制也由法律进行规定。

But some Americans fret that patent protection has grown too strong.

但有些美国人担心，专利保护已经过了。

Many of big Pharma's biggest blockbusters will soon lose their patent protection.

许多大的制药公司的最盈利的药品不久将失去专利的保护。