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The patent EP2189198 was granted to Braun on Jun 21, 2017. The application was filed on May 20, 2009 under application number EP09006802A. The patent is currently recorded with a legal status of "Revoked".
A toothbrush with a display screen that presents interactive representations, such as video games or body care simulations, which are controlled by the toothbrush itself. The device recognizes the tooth being cleaned and provides visual feedback on the screen, while also monitoring and providing feedback on brushing parameters. The screen can display multiple types of information, including game content, simulation data, and device status, and can be switched between these modes using a single control key.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
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