Edward S. Cheng and Mariem Marquetti published in Boston Bar Journal on using generative AI responsibly

Edward S. Cheng, partner in the firm’s Litigation Department, and Mariem Marquetti, associate, were published in the Boston Bar Journal for their article, “ChatGPT Is Not a Lawyer: Using Generative AI Responsibly and Ethically in Law.” This article was released in Volume 70, #1 of the journal’s Winter 2026 edition, and summarizes recent consequences attorneys have faced when using AI for legal work.

From the article:

Generative Artificial Intelligence (“GAI”) programs like ChatGPT have infiltrated the legal profession and are causing havoc. The attraction of using GAI is undeniable, with its promise of fast and well-written briefs at the touch of a keystroke. But the misuse of GAI can have serious consequences. According to one online database, more than 900 cases to date around the world contained GAI-generated errors, in both civil and criminal matters. Damien Charlotin, AI Hallucination Cases, DamienCharlotin.com. Close to home, in October 2025, a Massachusetts attorney was discovered to have filed a brief that included faulty GAI-generated content. Memorandum and Order on Defendant’s Supplemental Combined Motion to Dismiss the Four Returned Indictments, Commonwealth v. Moraes, No. 2581CR00071 (Middlesex Sup. Ct. filed Oct. 9, 2025). More troublingly, in November 2025, a prosecutor who submitted multiple briefs riddled with GAI-generated errors explained that she resorted to GAI due to “working on multiple matters, being constantly in court, responding to multiple briefings, and going too fast in her research and drafting.” Shaila Dewan, Prosecutor Used Flawed A.I. to Try to Keep a Man in Jail, His Lawyers Say, N. Y. Times, Nov. 25, 2025. This particular misuse of GAI could have resulted in wrongful convictions and unfair sentencing, which are outright violations of the Constitution and a threat to freedom. Id. Accordingly, before using this tool, lawyers are ethically obligated to understand it. This article provides a look behind the curtain to explain how GAI works.

Click here to continue reading on the Boston Bar Journal website.