Tokyo, Japan– April 21, 2015– SIGMA Corporation (hereafter referred to as “SIGMA”) and Nikon Corporation (hereafter referred to as “Nikon”) have reached a settlement at the Intellectual Property High Court which includes a patent infringement lawsuit against SIGMA.
On May 25, 2011, Nikon filed a patent infringement lawsuit against SIGMA to the Tokyo District Court alleging SIGMA had infringed patent rights owned by Nikon and sought for an injunction and compensation for SIGMA’s manufacture and sale of infringing interchangeable lenses for single lens reflex cameras.
In the proceedings of the trials, based on the recommendation of the Intellectual Property High Court, in order to enable an early and amicable resolution of the issue, both parties have reached a mutually agreed settlement on the disputed patents.
As mentioned above, both parties have amicably reached a settlement on this issue.
The terms and conditions of the settlement agreement are to be kept confidential between both parties and are not allowed to be disclosed to a third party.
However, SIGMA would like their customers and users of SIGMA products to understand that the settlement will not have any impact on the SIGMA’s operating activities. SIGMA would like to take this opportunity to thank their customers for their continued support.

SIGMA Corporation.