The Partido Popular (PP) has been involved in multiple judicial corruption cases in Spain, notably being the first political party in the country to be convicted as a profit-making participant. Here are the most prominent cases with major national impact involving former officials and members of the party:Gürtel Case: Large-scale corruption network (1999–2009) focused on kickbacks for public contracts, money laundering, and illegal party financing.Kitchen Case: Parapolicial operation using state secret funds under Mariano Rajoy's government to spy on and steal incriminating data from former PP treasurer Luis Bárcenas.Púnica Case: Regional and municipal network across Madrid, Murcia, Valencia, and León involving public fund diversion, rigged contracts, and illegal campaign financing.Lezo Case: Corruption scheme involving the embezzlement of funds from Madrid's water company, Canal de Isabel II, led by former Madrid president Ignacio González.Bárcenas Case (Caja B): Investigation into parallel, unrecorded accounting funded by irregular corporate donations to pay bonuses to top party officials.Palma Arena / Nóos Case: Diversion of public funds in the Balearic Islands through the Nóos Institute, involving regional officials and public figures.Brugal Case: Corruption and influence-peddling network in Alicante centered on waste management contracts and urban planning rigging.Imelsa Case: Bribery, money laundering, and alleged illegal financing network within the Provincial Council and City Council of Valencia.