There is a reason for my deep aversion towards this person. Mrs. Z. - let us better call her so - is a passionate opponent of the German zappanale Festival. So she did anything in order to corrupt events, performances etc.
The worst thing was the Trademark arguement. Sorry, she is such a ...
www.zappanale.de
For further info on the topic just google
"zappanale Gail Zappa" (articles in English)