Chinese e-commerce giant Alibaba (BABA) is taking two vendors who have been selling fake Swarovski watches on its online shopping platform Taobao to court.

The suit, the company's first ever legal action against counterfeiters, took place two weeks after the United States Trade Representative added Alibaba Group's Taobao Marketplace to its "notorious markets" list in late December.

The litigation against sellers Liu Huajun and Wang Shenyi claims RMB1.4 million ($201,320) for "violation of contract and goodwill."

"It's the first of many civil lawsuits coming against counterfeiters. And it comes on top of a criminal charges already filed by local authorities against these same individuals," said an Alibaba spokesman to TheStreet. "These potent examples show two things: first, we are dead serious about fighting the counterfeit scourge and second, we are we are using all available tools to combat it."

Shares of Alibaba were up 1.76% to $90.15 in midday trading on Wednesday.

"This lawsuit is part of the considerable effort Alibaba expends to combat counterfeit items on their marketplace. Even though a lot of inauthentic merchandise may slip between the cracks, I believe Alibaba does at least as much as its US counterparts to combat this type of merchandise," said Gil Luria, senior analyst at Wedbush Securities. "However, since they have many more sellers and buyers than the U.S. e-commerce providers, this is a tougher task."

Alibaba said that it was able to use its big data technology to identify counterfeit Swarovski products and locate the sellers in Shenzhen, the southern Chinese city near Hong Kong. The company then resorted to a "mystery shopping" tactic to test buy the products and then have Swarovski examine their quality, workmanship and packaging to confirm the watches were fake.

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