It is hard to preserve a trademark You have to differently fight it. Your post a good example. The first one is killing the Kleenex trademark that is why the l

It is hard to preserve a trademark You have to differently fight it. Your post a good example. The first one is killing the Kleenex trademark that is why the lawyers say to use the other statement. We have a ton of words that used to be trademarked. Elevator, escalator, zipper to name a few.