A five-member Appellate Division panel headed by Chief Justice Surendra Kumar Sinha gave the verdict, rejecting the review plea filed by Asadul Islam yesterday.
Senior assistant judges Jagannath Pandey and Sohel Ahmed were killed in the suicide attack on November 14, 2005.
The Appellate Division had upheld the death sentence of seven JMB leaders, including its chief Abdur Rahman, second-in-command Siddiqul Islam alias Bangla Bhai and Asadul, in the case.
The death sentences of all the militants but Asadul – then absconding – were executed on March 29, 2007.
Asadul was arrested the same year and filed a review petition against the apex court verdict this year.
Jhalakathi public prosecutor Haider Hossain, who took part in the case, was shot dead by the JMB men April 11, in less than two weeks after the militant leaders were hanged.