After having a successful run with Witcher 3 shipping 10 million copies worldwide, CD Projekt Red has acquired a new trademark and a new logo. The name is “Gwent” and it is becoming a stand-alone game. The card game in The Witcher 3 has had a positive outcome and it looks like CD Projekt Red is going to make this a separate game. Apparently the trademark was filled with class 9 and 41 into the European Union Intellectual Property Office June 6th.
Here is the logo:

See more at Nerd Leaks
We will have to see when they will announce this.