Mitsubishi setback in GE patent fight

Mitsubishi Heavy Industries (MHI) has been dealt another setback in its long-rumbling legal dispute with General Electric, with a US court backing its earlier ruling that GE did not infringe an MHI patent related to blade pitch control.

A US District Court in Orlando, Florida on 8 February “upheld its previously issued summary judgment” from July 2012 and “declared its finding that no infringement had occurred”, MHI said in a statement.

MHI believes the judgment “has too narrowly interpreted” the scope of the patent, which deals with technology aimed at reducing the stress on wind turbines by controlling the pitch of the blades depending on their rotation angle.

MHI “intends to continue taking the necessary measures to enable its claim to be recognised”. However, the company stopped short of confirming its intention to exercise its right to kick the Log in to read complete article.

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