Nokia files patent suit against RIM, HTC and Viewsonic

New Delhi: Finnish telecom giant Nokia has filed a suit against Blackberry-maker RIM, HTC Corp, and Viewsonic Corp in the US and Germany alleging infringement of its patents by these companies.

"We have taken this step to stop the unauthorised use of our proprietary innovations and technologies which are not extensively licensed to the industry and make up the majority of our industry leading patent portfolio," a Nokia spokesperson said in a statement.

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Nokia alleged 45 innovation infringements, including dual function antennas; power management and multimode radios; as well as to enhance software features including application stores; multitasking; navigation, conversational message display; dynamic menus; data encryption and retrieval of email attachments on a mobile device, by these companies.

"Nokia believes that other companies need to compete using their own innovations, rather than copying our proprietary technologies," it said.

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Last year, Nokia had agreed to settle all patent litigations with iPhone-maker Apple.

PTI