Wendy Reppucci v. James P. Nadeau, 238 A.3d 994

Background

In 2008 Nadeau represented Wendy Reppucci in a divorce; the judgment (after trial) awarded Wendy the marital home (subject to a $36,350 future equity payment plus 5% interest), divided Richard’s military retirement and TSP as of the judgment date, denied spousal support, and did not address Survivor Benefit Plan (SBP) coverage.
Reppucci later alleged multiple instances of malpractice: failure to advise/advocate for spousal support and attorney fees, failure to obtain an appraisal or challenge the 5% interest, failure to advise about or seek SBP coverage, drafting military retirement and TSP language noncompliant with federal requirements, and failure to discover withdrawals from the TSP.
Reppucci sued Nadeau for legal malpractice and breach of fiduciary duty in 2014; the fiduciary-duty count was dismissed at trial, and a jury in 2018 awarded $91,172 on several malpractice claims.
Nadeau moved post-judgment and appealed, arguing the trial court misinstructed the jury on proximate cause by using language derived from Niehoff v. Shankman (the so‑called “modified” or “failure to plead” proximate cause formulation).
The Maine Supreme Judicial Court affirmed the judgment, explaining that the Niehoff language is a case‑specific application (often used at summary judgment) of the single proximate‑cause standard in malpractice law rather than an independent, lesser trial burden.

Issues

Issue	Plaintiff's Argument	Defendant's Argument	Held
Whether the trial court’s use of Niehoff’s “loss of opportunity” language created a separate or lesser proximate‑cause test at trial	Reppucci: the instruction correctly guided the jury to decide whether she lost a viable opportunity because of Nadeau’s negligence	Nadeau: Niehoff creates a different, improper standard and lowered Reppucci’s burden of proof	Court: Niehoff’s formulation is a case‑specific application used in summary‑judgment contexts; it does not alter the plaintiff’s ultimate trial burden (must show she would have achieved a more favorable result but for malpractice).
Whether Niehoff applies only to summary‑judgment "failure to plead" cases or may inform jury instructions when a claim was effectively not presented to the factfinder	Reppucci: Niehoff language properly captures proximate cause where issues were not effectively presented	Nadeau: this was not a true "failure to plead" case and Niehoff was inapt	Court: Niehoff addressed summary‑judgment proof requirements but its loss‑of‑opportunity language is an appropriate application where a claim was not put before the factfinder; it is not a separate test.
Whether varying proximate‑cause formulations used by the court ("lost opportunity" vs. "substantial factor/unfavorable result") were misleading or erroneous	Reppucci: the instructions fairly required proof that competent representation would have produced a more favorable divorce outcome	Nadeau: inconsistent instructions confused the jury and mis-stated causation	Court: both formulations conveyed the same legal requirement and fairly informed the jury; instructions were proper and judgment affirmed.

Key Cases Cited

Niehoff v. Shankman & Associates Legal Center, P.A., 763 A.2d 121 (explaining the summary‑judgment "loss of opportunity" framing in malpractice suits)
Brooks v. Lemieux, 157 A.3d 798 (reiterating proximate‑cause requirement in malpractice: but for negligence, a more favorable result would have been achieved)
MSR Recycling, LLC v. Weeks & Hutchins, LLC, 214 A.3d 1 (discussing application of "failure to plead" concept where appellate brief was not filed)
Garland v. Roy, 976 A.2d 940 (proximate cause principles in malpractice context)
Bozelko v. Papastavros, 147 A.3d 1023 (describing the "case‑within‑a‑case" method of proving causation)
Steeves v. Bernstein, Shur, Sawyer & Nelson, P.C., 718 A.2d 186 (explaining retrial of underlying claim in malpractice causation analysis)
Johnson v. York Hosp., 222 A.3d 624 (summary‑judgment burdens of production regarding factual disputes)