Tim Martin Wants to Bring a Patent-Infringement Lawsuit Against the Widget

Tim Martin wants to bring a patent-infringement lawsuit against the Widget Manufacturing Company. The only court that can hear patent infringement cases is the federal district court because

A) federal and state courts have concurrent jurisdiction.
B) federal district courts have limited jurisdiction over patent and copyright cases.
C) federal district courts have exclusive jurisdiction over patent and copyright infringement cases.
D) the federal district courts are courts of original jurisdiction.