In January 2015 Mylan filed a citizen petition with the FDA raising concerns about TEVA 's ANDA application to market a generic EpiPen .
In January 2015 Mylan filed an additional supplement later in May ; the FDA rejected the petition in June .
In January 2015 Mylan filed a citizen petition with the FDA raising concerns about TEVA 's ANDA application to market a generic EpiPen and filed an additional supplement later in May ; the FDA rejected the petition in June .