Patents, patents and more patents. Just train the damn thing on TONS of patent filing data. Describe an invention to GPT-3 and have GPT-3 try and create patent language which can build it.
We already use NLPs to help patent lawyers rewrite claims to avoid the dreaded "business methods" technology center with its abysmally infamous reputation for killing patents. See this link here:
Using GPT-3 to help people write patents is INCREDIBLY valuable, and you have plenty of data to train GPT-3 on.