| Classification | Docg (controlled designation of origin, it is included in Pdo European category, Protected designation of origin) |
| Wine region | Lombardy, a triangular area between Po valley to the north and the Apennine Mountains to the south |
| Grapes | pinot nero at least 85%, chardonnay and/or pinot bianco and/or meunier |
| Production method | Traditional method (second fermentation in bottle) |
| Levels of residual sugar | From pas dosé to brut |
| Types | Oltrepò Pavese Metodo Classico, Oltrepò Pavese Metodo Classico Rosé. Each type can be either non-vintage or Millesimato, meaning that it is a vintage sparkling wine. For each it is possible to have Riserva (always a vintage sparkling wine) |
| Minimum aging on lees for non-vintage | 24 months |
| Minimum aging on lees for Millesimato | 36 months |
| Minimum aging on lees for Riserva | 48 months |
Oltrepò Pavese Metodo Classico is the name of the protected designation of origin; Classese is a brand exclusively dedicated to sparkling wines produced according to the rules of Oltrepò Pavese Metodo Classico Docg (Pdo). In one-two years Classese will be the unique name of the Docg.
