Context: Technicolor (formerly called Thomson Consumer Electronics) claims to control MP3 licensing of the Layer 3 patents in many countries, including the United States, Japan, Canada and EU countries. Technicolor has been actively enforcing these patents.

Question: What was Technicolor's previous name?
Answer: Thomson Consumer Electronics

Question: What patent does Technicolor claim to control?
Answer: Layer 3

Question: What are Technicolor constantly in the process of doing?
Answer: actively enforcing these patents