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Nikon sues Sigma over vibration reduction  
Wednesday, May 25, 2011 | by Rob Galbraith
In a brief statement, Nikon has announced the launching of a patent infringement suit in Japan against Sigma. In the suit, Nikon claims that Sigma has infringed on patents related to the vibration reduction feature of its interchangeable lenses and indicates that attempts to negotiate a solution failed.

 Nikon's statement is below. A Reuters story indicates that Nikon is seeking 12.6 billion yen (US$154 million at today's exchange rates) in damages.

Press Release

Nikon Corporation filed a patent infringement lawsuit in Japan
May 25, 2011

Nikon Corporation (KIMURA Makoto, President, Tokyo, hereafter referred to as "Nikon") filed a patent infringement suit against Sigma Corporation (hereafter referred to as "Sigma") to Tokyo District Court on May 25, 2011. Nikon's lawsuit seeks an injunction against Sigma's manufacture and sale of infringing interchangeable lenses with vibration reduction for single lens reflex cameras, along with damages for past infringement.

Nikon has invested considerable resources in the form of research and development over a period of many years. Such investments have created intellectual property that are important business assets of Nikon and have enabled Nikon to continuously provide the products and services that satisfy its customers requirements.

Although Nikon attempted to resolve Sigma's patent infringement through negotiation, a non-adversarial resolution could not be reached. Consequently, Nikon concluded that filing a lawsuit was the only way it could protect its intellectual property.

Thanks to "KimS" for bringing this to our attention.
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