Here's what he wrote: Do you know the legal definition of defamation? It's when someone writes something that not true, and is harmful to that person's reputation and or business. Dr. xxxxxxxxxxxxxxx , is a real doctor. He's also my father. He and I developed this product in 2000. Your article claims it he's not a real doctor regardless of lies you say about our product line. I must say, this is done in such poor taste and the ethics of this review and your monetary motive for doing it is bottom of the barrel. Your motives are obvious to anyone. I kindly ask you to publicly retract your statements and remove this bogus review. This is the last kind thing I will ask of you. I'm sending all of this to my attorney xxxxxxxxxx in Ohio. You can look him up. He's a real IP attorney. He loves a good defamation case. -------------------- Just recently I posted a negative online review about a company and their product. These guys are selling a product that is absolute garbage, and there are also dozens of other negative reviews posted about the product online. About an hour ago, I received an email from someone who claims that if the review isn't removed, they will be talking to their attorney about a defamation case (apparently the son of the guy). The review is true according to my results with the product, as well as several people who have emailed me to tell the product is a scam. I don't live in the US, so firstly I don't know if this will even apply to me. And secondly, this is free speech - however, I am looking for an expert legal opinion if anyone could point me in the right direction. Worst case scenario, I'll remove the review, but I'd prefer to leave it up because many people have lost money to it.