Today, in the match for third place, in the 84 kg category, he won Valeria Čobotara from Ukraine by referee's decision 3:1.
In regular time, the match ended 0:0.
This is Mikulić's second senior European medal, after winning silver in Yerevan last year.
Member of Karate Club White in he won the first round Hamza Turli from Bosnia and Herzegovina 1:0, while in the second he lost to Eduard Gašparijan from Russia 7:2.
The Russian karateka's placement in the finals drew him into the repechage, in which he won. Hleba Sačuoski from Belarus 8:4 and won the medal match.
Jovana Damjanović had less success, losing to the Slovenian in the match for third place in the over 68 kg category. Maria Zale Zibret 3:1 and finished the championship in fifth place.
The bronze medal match will be held today at 4 pm. Vladimir Mijac in katas.
Tomorrow, on the last day of competition, the women's kata team and the men's team will try to win a place on the podium in the fights.
Mikulić's medal is the second for Montenegrin karate in Frankfurt, after he won bronze on Thursday and Balsa Vojinovic.