At least three industry bodies have alleged counterfeits remain widespread on Alibaba's sites
The move is a show of faith from three of the world's biggest technology companies in fast-growing Snapdeal
A source said the deal would see Alibaba invest around $600 million
It was not immediately known how many jobs the proposed new plants would eventually create.
The Chinese government has accused e-commerce titan Alibaba Group Holding Ltd of not paying enough attention to illegal business conducted on its platforms and failing to take effective steps to snuff it out.
Analysts expect the iPhone 6 and 6 Plus to sell well in China, where many people prefer phones with larger screens.
Apple had taken Shanghai-based Zhizhen Internet Technology and China's State Intellectual Property Office to court to seek a ruling that Zhizhen's patent rights to a speech recognition technology were invalid.
The companies did not immediately give a figure for the investment, but Chinese state media reported earlier on Thursday it would total 1.2 billion yuan ($192 million).
Microsoft, responding to the rights group's allegations, said a system fault had removed some search results for users outside China.