Huawei Technologies Co Ltd's intensified efforts to safeguard its patents highlight the Chinese tech giant's desire to crack the US market, which the Shenzhen-based company must conquer to fulfill its ambition to be the world's biggest smartphone vendor, experts said.

Huawei confirmed last week it had filed patent infringement lawsuits against rival Samsung Electronics Co in two courts in China.

The news came shortly after the Chinese telecom equipment maker filed a patent suit against US telecom operator T-Mobile US Inc.