Nowadays, product piracy is a challenge which should not be neglected by the capital goods industry. Especially, the high margin turnovers in the spare part business are threatened by the increasing number of counterfeited products. First of all, this article gives a definition of product piracy and points out some spare part specific examples affecting different juridical disciplines. After that the framework for a concept against product piracy, including the whole supply chain and product life cycle, is introduced. Within this concept the four modules Piracy-Information-System, Piracy-Evaluation-Model, Protective-Measures-Pool and Organisational-Network are implemented.