Now, zendesk doesn't own the word zen do they? Does this mean anyone in the world now can not use the word zen anywhere in the name if they are in the SaaS busi

Now, zendesk doesn't own the word zen do they? Does this mean anyone in the world now can not use the word zen anywhere in the name if they are in the SaaS business? I believe they also had a problem with a company named FreshDesk which was a direct competitor. http://www.ripoffornot.org/ http://www.ripoffornot.org/ I just see a company being bully here.