See in particular, case 1/81 Pfizer v Eurim-Pharm (1981) ECR 2913, joined cases C-427/93, C-429/93 and C-436/93 Bristol-Myers Squibb and Others (1996) ECR I-3457, case C-379/97 Upjohn (1999) ECR I-6927, case C-443/99 Merck, Sharp Dohme (2002) ECR I-3703 and case C-143/00 Boehringer (2002) ECR I-03759
2913, affaires jointes C-427/93, C-429/93 et C-436/93 Bristol-Myers Squibb et autres (1996) Rec. I-3457, affaire C-379/97 Upjohn (1999) Rec. I-6927, affaire C-443/99 Merck, Sharp Dohme (2002) Rec, I-3703 et affaire C-143/00 Boehringer (2002) Rec. I-03759