Rogers Corporation Provides Update on Favorable Rulings in Two Patent Infringement Proceedings Against KCC in Germany

Release Date: 01/24/2020

Chandler, Arizona, January 24, 2020: The German affiliate of Rogers Corporation (NYSE:ROG) recently obtained favorable rulings in both of its patent infringement proceedings filed against KCC Corporation in Germany and provides the following updates:

  • European Patent 1 061 783 (relating to ceramic-metal multiple substrates typically known as “DCB master cards” with a certain edge reduction feature): On December 20, 2019, the Regional Court of Duesseldorf ruled that KCC Corporation infringed Rogers’ patent based on a complaint filed in May 2018. The Court, amongst other things, ordered KCC Corporation to refrain from offering and distributing patent infringing DCB master cards in Germany. This judgment is provisionally enforceable if Rogers provides a corresponding security and subject to appeal.
  • European Patent 1 412 307 (relating to the process for manufacturing Direct Copper Bonded (DCB) substrates): On January 8, 2020, the Higher Regional Court of Karlsruhe issued an order to take evidence, overruling an earlier trial court determination on infringement complaints filed by Rogers against two KCC companies in December 2015. The Higher Regional Court of Karlsruhe rejected the Regional Court’s interpretation of the patent and has now ordered that a Court expert should examine whether KCC’s process realizes the asserted claim features.

KCC initiated validity challenges against both patents. With regard to EP ‘307, the Federal Patent Court dismissed KCC’s nullity complaint in its entirety in April 2018. KCC’s appeal against this decision is currently pending. With regard to EP ‘783, the EPO Opposition Division of the European Patent Office upheld claim 1 in amended form. After the appeal against the EPO decision was withdrawn, KCC Europe GmbH filed a nullity complaint with the German Federal Court in summer 2019. These nullity proceedings are also still pending.

More information regarding these proceedings can be found here:



Rogers provides no details regarding potential damages or other relief expected in these proceedings.

About Rogers Corporation

Rogers Corporation (NYSE:ROG) is a global leader in engineered materials to power, protect, and connect our world. With more than 180 years of materials science experience, Rogers delivers high-performance solutions that enable the company’s growth drivers-- advanced connectivity and advanced mobility applications, as well as other technologies where reliability is critical. Rogers delivers Power Electronics Solutions for energy-efficient motor drives, e-Mobility and renewable energy; Elastomeric Material Solutions for sealing, vibration management and impact protection in mobile devices, transportation interiors, industrial equipment and performance apparel; and Advanced Connectivity Solutions for wireless infrastructure, automotive safety and radar systems. Headquartered in Arizona (USA), Rogers operates manufacturing facilities in the United States, China, Germany, Belgium, Hungary, and South Korea, with joint ventures and sales offices worldwide.

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