It's not a grocery store, it's a €67 billion a year wholesale and retail group with 6 different store chains under its belt including wholesale warehouses, groc

It's not a grocery store, it's a €67 billion a year wholesale and retail group with 6 different store chains under its belt including wholesale warehouses, grocery stores, department stores and -- most importantly -- two consumer electronics chains. You could have a Metro-owned store with Metro signs over Android tablets next to a Microsoft store with Metro signs over Surface tablets. The likelihood of confusion that'd create is the very definition of trademark infringement.