Atari Games created a line of NES products under the name <answer>Tengen</answer> and took a different approach. The company attempted to reverse engineer the lockout chip to develop its own "Rabbit" chip. However, <answer>Tengen</answer> also obtained a description of the lockout chip from the United States Patent and Trademark Office by falsely claiming that it was required to defend against present infringement claims in a legal case. Nintendo sued <answer>Tengen</answer> for copyright infringement, which <answer>Tengen</answer> lost as it could not prove that the legally obtained patent documents had not been used by the reverse engineering team. <answer>Tengen</answer>'s antitrust claims against Nintendo were never finally decided.
Atari created NES products under which name?
Tengen