On January 4th, 2011, Warner Bros, the company behind the making of The Big Bang Theory, filed for a registered trademark for the Bazinga! catchphrase, becoming effective on April 24th, 2012.
On January 4th, 2011, Warner Bros, the company behind the making of The Big Bang Theory, filed for a registered trademark for the Bazinga! catchphrase, becoming effective on April 24th, 2012.