If you’ve created a product or service you’re eager to sell, it makes sense to get patent or trademark protection. But some information that looks official might really just a scam to get your money. The U.S. Patent and Trademark Office (USPTO) and the FTC want you to know that there are companies pretending to be the USPTO or a partner of the USPTO. They’re tricking patent and trademark holders into paying them “fees” for services, but they’re...