Barcelona president Joan Laporta claims the European Super League is "still alive".
The ailing La Liga giants are one of only three clubs not to disavow the widely derided breakaway competition after its attempted launch spectacularly collapsed in April this year.
Real Madrid and Juventus are still actively pursuing the project, which would have involved 12 clubs forming their own continental tournament away from UEFA's Champions League.
Manchester United, Manchester City, Liverpool, Arsenal, Chelsea, Tottenham, Atletico Madrid, AC Milan and Inter were the other nine teams involved in the venture.
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But it was met with such vociferous opposition that, one by one, they withdrew their intention to pursue it.
Laporta, however, is not giving up and insists Barca, Real and Juve are winning the fight.
He told SPORT: “It's not parked, the opposite, it's alive and dialogue is open with all sorts of people in football who are working on it.
"Juve, Real Madrid and Barcelona are all there and we keep winning in the courts. We're still working on making a more attractive competition.
“It could be favourable economically for the clubs that take part that it's an open competition, with promotion and relegation.
"We're not closing the door on UEFA, as much as they have acted aggressively from the start."
The Super League proposed being run by the 12 aforementioned founding clubs, plus three unnamed others who were expected to join before the backlash began.
It would have involved a further five teams qualifying every season - but the founders would be assured of their position each season.
Clubs started withdrawing in the face of fan anger and the threat of expulsion from their domestic leagues.