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MHI loses appeal over GE ruling

UNITED STATES: Mitsubishi Heavy Industries (MHI) has suffered another setback in its legal battle with GE over the Japanese company's 2.4MW turbine.

MHI's 2.4MW turbine
MHI's 2.4MW turbine

A Florida judge has upheld a July ruling that GE did not infringe an MHI patent for controlling blade pitch. The decision means the case cannot go to trial.

The legal fight between the two global manufacturers over intellectual property has hit sales hard of MHI's 2.4MW turbine.

MHI has stopped selling wind turbines in the US, the world's second-largest market. The Tokyo-based company has been embroiled in a complex four-year legal fight with US General Electric (GE) over patented wind technology and GE's alleged anti-trust behaviour.

In Apri last yearl, MHI mothballed its new $100-million assembly plant in Arkansas. The plant, completed in late 2011, was for assembling the company's flagship 2.4MW turbine. It was never used.

In 2009, MHI had 8.1% of the US market, in terms of megawatt sales of turbines, and ranked fourth.

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