1. A variety shall be deemed to be distinct if it is clearly distinguishable by reference to the expression of the characteristics that results from a particular genotype or combination of genotypes, from any other variety whose existence is a matter of common knowledge on the date of application determined pursuant to Article 51.
2. The existence of another variety shall in particular be deemed to be a matter of common knowledge if on the date of application determined pursuant to Article 51:
(a) it was the object of a plant variety right or entered in an official register of plant varieties, in the Community or any State, or in any intergovernmental organization with relevant competence;
(b) an application for the granting of a plant variety right in its respect or for its entering in such an official register was filed, provided the application has led to the granting or entering in the meantime.
The implementing rules pursuant to Article 114 may specify further cases as examples which shall be deemed to be a matter of common knowledge.