A lot more competition, which means it will get a little harder for individual companies to compete, but it would be a lot better for the consumer. Competition is ultimately copying with a twist. That's how you get an "industry" or a market. All products in a market are 90 percent the same, because they
are copying each other in order to compete. If each product was 100 percent unique, they wouldn't be in the same market anymore. They'd be in their own very different markets, because they would be very different products.
Think of the laptop market, or even the smartphone market. Isn't 90 percent of the technology in them essentially the same? Now imagine if every single piece of technology was radically different. They would be unrecognizable from each other, therefore completely different types of products.
So that's why competition is essentially copying with a twist. If patents, which are state-endorsed monopolies for certain specific technologies, were gone, this competition would increase.