Huawei has extended the scope of their patent-backed battle, now targeting U.S. telecommunications company T-Mobile. It comes as the Chinese smartphone vendor recently filed a second filing against Korean electronics maker Samsung over a patent dispute.

Huawei filed a complaint against T-Mobile on Tuesday to the U.S. District Court for the Eastern District of Texas, claiming the later company had infringed on a wireless network patent held by the Chinese company.

A handful of Chinese smartphone makers, including Huawei, Lenovo and ZTE have been rapidly acquiring and developing pools of patents in an attempt to challenge leading global companies as the Chinese vendors seek to expand.

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Cate Cadell

Cate is a tech writer. She worked as a journalist in Australia, Mongolia and Myanmar. You can reach her (in Chinese or English) at: @catecadell or catecadell@technode.com