Why do lawyers keep using ChatGPT?

March 18, 2026

TL;DR

Lawyers are submitting legal filings with AI-generated 'hallucinations' (fake cases or information).
Attorneys are facing consequences, including fines and sanctions, for these errors.
The primary reasons for continued AI use despite risks are time constraints and the perceived efficiency of AI tools.
Many lawyers do not fully understand how Large Language Models (LLMs) work, sometimes mistaking them for advanced search engines.
Legal research databases like LexisNexis and Westlaw are integrating AI, further increasing its adoption among lawyers.
A significant percentage of lawyers have used AI for tasks like summarizing case law and legal research, viewing it as a time-saving tool.
High-profile cases have demonstrated the negative impact of AI hallucinations on legal proceedings.
Experts suggest AI can be useful for tasks like document review and brainstorming, but not as a substitute for legal judgment.
The American Bar Association has issued guidance emphasizing the duty of technological competence for lawyers using AI.
Concerns remain about the accuracy of AI output and the need for thorough verification by legal professionals.

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