He handles all types of cases related to intellectual property and its protection. He focuses on demanding legal proceedings concerning industrial rights, and in the preceding conflict management investigations and protection strategies. The typical case handled by Petteri is a complex trademark and patent infringement or, for example, a conflict relating to business secrets or unfair business practices. Petteri represents numerous Finnish and global companies in all matters concerning industrial rights. In addition to his extensive experience in legal proceedings and protection strategies, Petteri has written leading textbooks on trademarks and marketing law as well as several articles in Finnish and foreign publications.