This is a common misconception.
Valerie Del Grosso here. I'm an Intellectual Property Lawyer and I'm here to tell you the answer is a resounding "NO!"
ANYONE can create and sell a certification program, including YOU.
All you have to do is take your existing courses, content, ideas, or methods, and teach others how to do what you do. And when they prove they can, you give them a Badge or Diploma to Certify them in your method.
It's that easy!