US Trade Representative Michael Froman said the Notorious Markets List for 2013 highlights markets that allegedly harm US businesses and jobs by infringing on intellectual property rights.
The USTR said the markets were selected for the "notorious" label "because they exemplify concerns about trademark counterfeiting and copyright piracy on a global basis and because the scale and popularity of these marketplaces can cause economic harm to US and other IPR holders."
The USTR said the new list was aimed at helping the United States and foreign governments prioritize enforcement of intellectual property rights.
"The markets we have identified unfairly take from these American workers, diminishing the value and salability of their work and threatening their jobs," Froman said in a statement.
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In addition, he said, consumers can be harmed by counterfeit goods like medicines, personal care products and automotive parts.
Physical markets in China singled out as key sources of counterfeit goods include the Silk Market in Beijing and the Garment Wholesale Center in Guangzhou, which the USTR said was a key contributor to counterfeiting in China and worldwide.
Multiple markets throughout Thailand were included in the 2013 list, including Bangkok's MBK and Pantip Plaza shopping centers. Efforts to enforce copyright protections in them "are largely ineffective," the report said.
Six markets in India were named, with Nehru Place in New Delhi singled out as a "prominent example" of places which allegedly deal in "large volumes" of pirated software and entertainment, and counterfeit goods.