Common law is guided by precedent. Apparently, a US attorney is expected to “Shepardize” the cases he cites, which means checking how often they have been used

Common law is guided by precedent. Apparently, a US attorney is expected to “Shepardize” the cases he cites, which means checking how often they have been used successfully and whether they have been affirmed or overturned (the name comes from the author of an early database). This should put citing a case that never existed beyond the pale, no matter whether you realize ChatGPT is not a search engine.