IPod sixth generation, it has been applied here retroactively to all generic iPods for clarity. In 2005, Apple faced two lawsuits claiming patent infringement by the iPod line and its associated technologies: Advanced Audio Devices claimed the iPod line breached its patent on a "music jukebox", while a Hong Kong-based IP portfolio company called Pat-rights filed a suit claiming that Apple's FairPlay technology breached a patent issued to inventor Ho Keung Tse. The latter case also includes the online music stores of Sony, RealNetworks, Napster, and Musicmatch as defendants. Apple's application to the United States Patent and Trademark Office for a
IPhone 5C polycarbonate housing, which is strengthened by a steel band. However, due to the material of design changes, the phone weighs 132 grams, which is 20 grams heavier than both the 5 and the 5S, but still lighter than older iPhone models. The design of the iPhone 5C is also considerably thicker but closely similar to the design of the iPod Touch (5th generation) models, which is also available in a variety of colors, but in a different coating finish. Other minor changes include a different camera assembly and the design of the mute/ringer switch. This iPhone received positive reviews for