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Qualcomm steps up legal battle with Apple, asks iPhone ban

Qualcomm on Thursday escalated its legal battle with Apple, filing a patent infringement lawsuit and requesting a ban on the importation of some iPhones, claiming unlawful and unfair use of the chipmaker's technology.

Apple opens new round in battle with Qualcomm

Apple has expanded its legal battle against Qualcomm, accusing the US chip maker of charging for invalid patents in the latest twist in the clash between the two tech giants.

UN agency: China has explosive growth in patent applications

The U.N.'s intellectual property agency says China is showing "quite extraordinary" growth in international patent applications, putting Chinese applicants on track to outpace their U.S. counterparts within two to three years.

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