新闻Bayer Fund acquired Conceptus on Jan 1st '13.Essure is a type of permanent birth control that was manufactured by Conceptus, which was purchased by Bayer Healthcare in 2013.
新闻Bayer AG acquired Conceptus for $1.1B on Jan 1st '13.The lawsuit documents out of California claim that the underreporting went back before Bayer acquired Essure maker Conceptus for $1.1 billion in 2013.
