When contributing value to the discussion, context is important. The article clearly distinguishes this situation from the case you cited. If you want to discuss that decision in more detail, try:
"If anyone is interested in the case mentioned in the article, here is a link to the full-text decision. [link]
Because the colour used in that trade mark was purely for the purpose of identifying the product and had no practical or aesthetic purpose, the court held that the colour could not be used by competitors."
"If anyone is interested in the case mentioned in the article, here is a link to the full-text decision. [link]
Because the colour used in that trade mark was purely for the purpose of identifying the product and had no practical or aesthetic purpose, the court held that the colour could not be used by competitors."