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HomeCasesGregory J. Van Etten v. Stephanie K. Fattman, et al.
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Corpus matter record

Gregory J. Van Etten v. Stephanie K. Fattman, et al.

D. Massachusetts · Mar 6, 2026 · Margaret R. Guzman

Direct answer

What happened in this matter?

The Court issued a warning to a pro se litigant after identifying that the litigant relied on generative AI to produce inaccurate legal arguments and fabricated citations in his filings. The Court clarified the correct statutory framework governing Magistrate Judge authority and dismissed the underlying action for lack of subject matter jurisdiction.

Why the court cared
Misrepresented: Legal Norm | Court flagged plaintiff's use of 28 U.S.C. § 636(b)(1)(B) to support the incorrect proposition that a magistrate 'may recommend but cannot strike pleadings absent district-judge adoption,' and corrected that §636(b)(1)(A) and Fed. R. Civ. P. 72 govern magistrate authority over non-dispositive matters. || Misrepresented: Case Law | Plaintiff asserted that the Magistrate Judge's R&R referenced Ankenbrandt v. Richards and Seminole Tribe v. Florida, but the Court noted neither case is cited in the R&Rs the plaintiff relied on. || Fabricated: Other | Court warned generative AI can create incorrect or made-up citations and noted plaintiff's filings contained inaccurate or fabricated citations.
Why it matters now
This record documents a Pro Se Litigant filing issue in D. Massachusetts, with the listed outcome: Warning.

Why this matter is tracked

In a civil rights action, the District Court for the District of Massachusetts addressed a pro se litigant's objections to three Reports and Recommendations (R&Rs) issued by a Magistrate Judge. The Court adopted the R&Rs, granting the defendants' motion to dismiss for lack of subject matter jurisdiction under the Rooker-Feldman doctrine. During the proceedings, the Court explicitly warned the plaintiff regarding his reliance on generative AI for legal research. The Court noted that the plaintiff's filings contained inaccurate or fabricated citations and incorrect statements of law, specifically regarding the authority of Magistrate Judges under 28 U.S.C. § 636. The Court cautioned that generative AI can produce unreliable legal findings and should not be used without rigorous verification.

Operational lesson

This record documents a Pro Se Litigant filing issue in D. Massachusetts, with the listed outcome: Warning.

Record details

MassachusettsSingle-state evidence scope
Explore MAOpen its source-linked jurisdiction page and related matters.
CourtD. Massachusetts
Recorded decision-makerMargaret R. Guzman · United States District Judge
Jurisdictionfederal
CircuitNot recorded
DateMar 6, 2026
GE
AI toolGenerative AI (unspecified)
Party typePro Se Litigant
OutcomeThe Court adopted the Magistrate Judge's R&Rs, granted the motion to dismiss, and issued a formal warning to the pro se litigant regarding the use of generative AI in legal filings.
Known amountNot recorded
Professional sanctionNo
Attribution boundary

What the record establishes about AI use

explicitly recorded

The Court noted the plaintiff appeared to rely on generative AI.

Procedural posture

Memorandum and Order adopting Magistrate Judge's Reports and Recommendations and granting Defendants' Motion to Dismiss.

Correction behavior

Correction behavior is not separately verified in the current record.

Tracked discrepancy record

3 citation, quotation, or authority issues are recorded in the source dataset.

  1. Misrepresented: Legal Norm | Court flagged plaintiff's use of 28 U.S.C. § 636(b)(1)(B) to support the incorrect proposition that a magistrate 'may recommend but cannot strike pleadings absent district-judge adoption,' and corrected that §636(b)(1)(A) and Fed. R. Civ. P. 72 govern magistrate authority over non-dispositive matters.
  2. Misrepresented: Case Law | Plaintiff asserted that the Magistrate Judge's R&R referenced Ankenbrandt v. Richards and Seminole Tribe v. Florida, but the Court noted neither case is cited in the R&Rs the plaintiff relied on.
  3. Fabricated: Other | Court warned generative AI can create incorrect or made-up citations and noted plaintiff's filings contained inaccurate or fabricated citations.

Questions this record answers

What happened in Gregory J. Van Etten v. Stephanie K. Fattman, et al.?
The Court issued a warning to a pro se litigant after identifying that the litigant relied on generative AI to produce inaccurate legal arguments and fabricated citations in his filings. The Court clarified the correct statutory framework governing Magistrate Judge authority and dismissed the underlying action for lack of subject matter jurisdiction.
Why does Gregory J. Van Etten v. Stephanie K. Fattman, et al. matter for legal AI risk?
This record documents a Pro Se Litigant filing issue in D. Massachusetts, with the listed outcome: Warning.
What does the public record establish about Gregory J. Van Etten v. Stephanie K. Fattman, et al.?
Retained unchanged after audit: the existing summary is source-specific, non-placeholder, and supported by the recorded source link. Read the underlying source before relying on it for legal advice or a filing.
Which source supports this Gregory J. Van Etten v. Stephanie K. Fattman, et al. summary?
The recorded source is Damien Charlotin case archive. It is classified as publisher document archive; review the linked material and subsequent docket history before relying on this summary.

Related matters

Related by court, jurisdiction, tool, or classified failure pattern. Similarity does not imply the same facts or outcome.