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QuadTech files new patent infringement claim

May 25, 2010 12:00 AM

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QuadTech Inc. (Sussex, WI) has filed legal action in the United States district court (Northern District of California) against Q.I. Press Controls (QIPC) for infringement of QuadTech’s U.S. Patent covering positioning of an imaging device. The claim states that QIPC’s Intelligent Density System (IDS) infringes U.S. Patent 5,412,577. The founders and owners of QIPC are former QuadTech employees.

The legal action in California is the third such action against QIPC. In June of 2008, a German court in Dusseldorf stopped QIPC from infringing a similar patent in Germany. The court held in QuadTech’s favor and prevented QIPC from marketing or otherwise selling its mRC system (which QIPC refers to as its markless register control system) in Germany. In June of 2009, QuadTech filed a legal action in the U.S. district court (Eastern District of Pennsylvania) alleging that QIPC’s mRC, sold in both mark and markless mode, infringes U.S. Patent 5,412,577. The trial date for the case in Pennsylvania has not yet been set.

According to QuadTech President Karl Fritchen, “We have a large worldwide patent portfolio. QuadTech invests a lot of time and money in developing our industry leading technology, and we will continue to vigorously protect our intellectual property wherever and whenever our patents are infringed.”