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Saint-Gobain Loses Bid to Reverse Siemens Patent Verdict

Cie. de Saint-Gobain SA’s ceramics and plastics business lost its bid to overturn a patent-infringement verdict won by Siemens AG over a crystal used in medical-imaging devices.

The U.S. Court of Appeals for the Federal Circuit in Washington said a $44.9 million damage award may need to be increased to take into account additional products that infringed the patent. It told a lower court to determine how much Courbevoie, France-based Saint-Gobain should pay Siemens.