In the U.S., the inventor has a "first to invent" claim which is different from other patenting organizations throughout the world who generally utilize "first to file." Debate over this issue, and which model best influences economic development is ongoing. Some are concerned that a change in patent rights may harm the small startup and benefit the incumbents with deeper pockets. You can read more about this topic.
If the complexities of legalities seems simple, you may want to consider becoming a patent agent or patent attorney. If you are a do-it-yourselfer (DIY), you may want to get David Pressman's book "Patent it Yourself" or David Hitchcock's book "Patent Searching Made Easy". If you are like the rest of us, this process does not seem simple. Sure it may cost some money to engage someone to guide you through this process, so you need to carefully consider your innovation in context of (1) is it patentable? and (2) is it a viable business opportunity? It may, however, be in your best interest to learn as much as you can about the system and then hire a competent patent attorney to get the job done. Just think what it would cost to great idea, poorly patented, which may ultimately cost you "like a bigillion dollars in lost royalties or something like that."
What is a normal royalty fee? How are fees generally determined? How can we grasp which patent portfolios are the best bang for the buck? With IP Street, you can demystify the complex which enables you to identify both inbound- and outbound- licensing strategies.
Ask yourself? Which side of the game do you want to be on? Do you want to be remembered as the executive who failed to recognize the business opportunity staring you in the face? Or do you want to be remembered as the visionary who executed and altered your company forever? The choice is yours.