> If your agent could go read all of the patents and then avoid them in its implementations and/or tell you where you might be infringing them (without hallucinating), that would be valuable.

That would lead the whole society to a halt, because it feels impossible to do anything now without violating someone's patent. Patents quite often put small players at a disadvantage, because the whole process of issuing patents is slow, expensive and unpredictable. Also, I once heard a lawyer say that, in high-stake lawsuits the it is the pile (of patents) that matters.