Is it reliable to spend money on the first author of the invention patent?
The first author who spends money to buy an invention patent should be reliable, because it is quite simple to apply for a patent now. The first author of an invention patent, in addition to evaluating the title or something, may be a little helpful and can also be used when bragging. Other things don't get any benefits at all, just because of the money. Invention patents are not mysterious. If you want to do it, you can do hundreds. A really good invention is not easy to make, and it is possible to make a fortune.