Laporta demanded the Spanish football federation and the refereeing committee send Barcelona all footage of the incident and audio recordings of the officials' conversations.
The coach was furious after Lamine Yamal had a shot which Barcelona said crossed the line not given as a goal after officials could not prove that it had using VAR.
Jude Bellingham snatched Real Madrid a dramatic 3-2 Clasico win over champions Barcelona on Sunday to take them 11 points clear at the top of La Liga with six matches remaining.
The last chance saloon has opened its doors early for Barcelona as they travel to the capital on Sunday aiming to hold off Real Madrid's LaLiga title run in a desperate effort to stay alive in the race for the only remaining major silverware they can win.
Vinicius Junior struck a first-half hat-trick to fire Real Madrid to Spanish Super Cup glory in a thumping 4-1 win over rivals Barcelona on Sunday in Saudi Arabia.
Brazilian forward Vinicius Junior has signed a new contract with Real Madrid that runs until 2027, the Spanish club announced on Tuesday.
Barcelona and the Rolling Stones have joined forces and the club's kit will feature the band's famous tongue and lips logo for next week's Clasico against Real Madrid, the LaLiga club announced on Thursday.
Polish international Lewandowski, 35, was on the receiving end of a crunching tackle from Porto's David Carmo in the first half of Barca's 1-0 win on Wednesday.
Real Madrid striker Karim Benzema became the first Los Blancos player in 60 years to have scored a hat-trick against Barcelona at Camp Nou after Ferenc Puskas did the same in 1963.
Karim Benzema struck a hat-trick as Real Madrid hammered Barcelona 4-0 at Camp Nou to reach the Copa del Rey final on Wednesday, progressing 4-1 on aggregate.
Barcelona defender Ronald Araujo suffered a thigh injury during the El Clasico victory over Real Madrid, the La Liga leaders said on Monday.
Counting only competitive fixtures, the result was also the 100th for Barça against their eternal rival
The victory dents Madrid's ambitions of retaining the title and leaves the Catalans close to lifting the trophy for the first time since 2019
Barcelona won 2-1 as Franck Kessie struck the winner in stoppage time to send his team 12 points clear at the top of La Liga, but with the score poised at 1-1 with 10 minutes remaining, Asensio netted to put Madrid ahead
Barcelona beat Real Madrid 2-1 in the Clasico at Camp Nou on Sunday to move 12 points clear of their rivals at the top of La Liga.
Barca would take a huge step towards winning their first title for four years by beating the champions for the third time in a row
A tenacious Barcelona frustrated Real Madrid to secure a 1-0 win over their bitter rivals in an ill-tempered Copa del Rey semifinal first leg on Thursday.
Marc-Andre ter Stegen saved twice from the spot to help Barcelona beat Real Betis 4-2 on penalties after a 2-2 draw on Thursday, setting up a Clasico Spanish Super Cup final.
Karim Benzema, Federico Valverde and Rodrygo were all on target as a dominant Real Madrid beat old rivals Barcelona 3-1 at home in 'El Clasico' on Sunday to move top of LaLiga.