Zeiss and ASML are suing Nikon back



Both Zeiss and ASML are suing Nikon back as a result of the patent infringing lawsuit filed by Nikon a few days ago. You can find both press releases here and here:

ASML today announced that it is filing initial legal claims against Nikon for infringement of more than 10 patents, related to a broad range of products in the fields of semiconductor manufacturing equipment, flat panel display manufacturing equipment and digital cameras. This follows Nikon’s announcement on April 24, 2017, that it has sued ASML. ASML categorically denies infringing any of Nikon’s patents.
ASML has today filed suits in Japan, both on its own and jointly with its strategic partner ZEISS. Additional suits will be brought in the United States.

Peter Wennink, ASML President and Chief Executive Officer, said: “We have no choice but to file these countersuits. We have tried for many years to come to a cross-license agreement that reflects the increased strength of our patent portfolio. Unfortunately, Nikon has never seriously participated in negotiations. Now that Nikon has decided to take this dispute to court, we also have to enforce our patent portfolio, and we will do this as broadly as possible.”

ASML has been confronted with Nikon’s claims of supposed patent infringement before. In 2001, Nikon went to the United States International Trade Commission (US ITC). Two years later, the Commission found no violation and ASML won on all 15 accounts. ASML and Nikon subsequently settled in a cross-license agreement that allowed both companies to focus on further developing products and serving chipmakers, without the unnecessary distraction of an intellectual property dispute. Some patents were perpetually licensed; for others, the license period ended on 31 December 2009. A transitional period, during which the parties had agreed not to bring suit, ended on 31 December 2014. Nikon’s patent portfolio was larger than the portfolio of ASML and ZEISS in 2004, a situation which is now reversed.

The comment from ASML and Zeiss on this whole situation was: "We are not amused".

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