There are a number and variety of considerations to evaluate when it comes to intellectual property ("IP") protections. On a base level, the core issues are what you want to protect and where you want to protect it. From that point, an attorney will want to consider what types of protections would provide the best and broadest coverage, while also weighing those considerations against costs and related concerns. And during that whole time you need to ensure that you actually own or control the IP.
As of March 23, 2016, the European Parliament brought new changes into effect relating to the Community Trade Mark System, also known as Regulation (EU) 2015/2424.