Description: A tenant in Vordingborg, Denmark, alleges that ChatGPT wrongly assured him he could withhold rent during a landlord dispute and drafted notices he sent. His landlord terminated his lease, Danish courts upheld the eviction, and he lost his home. In a lawsuit, he also alleges that extended chatbot conversations reinforced fictitious business ventures and promises of imminent wealth while disregarding his concerns about losing his housing.
Editor Notes: 01/2025 (late): According to his complaint, Elmfelt began using ChatGPT; 03/2025–05/2025: A landlord dispute reportedly developed, during which ChatGPT allegedly provided repeated legal assurances; 05/28/2025: ChatGPT allegedly advised Elmfelt to withhold rent and drafted a notice he reportedly sent to his landlord; 08/2025: According to the complaint, the landlord demanded payment and terminated the lease; 02/02/2026: A Danish bailiff's court reportedly ordered the eviction to proceed; 04/16/2026: Denmark's Eastern High Court reportedly affirmed the eviction order; 06/02/2026: According to the complaint, Elmfelt was evicted from his apartment in Vordingborg, Denmark; 11/02/2026: The plaintiff's California civil complaint was dated; 11/12/2026: Incident ID created.
Entities
View all entitiesAlleged: OpenAI , Chatbot developers and Large language model developers developed an AI system deployed by OpenAI , Chatbot users and Klaus Elmfelt Aerenlund, which harmed Chatbot users , Klaus Elmfelt Aerenlund , ChatGPT users and Tenants.
Alleged implicated AI systems: OpenAI large language models , Chatbots , ChatGPT , Large language models , GPT-4o and ChatGPT 5
Incident Stats
Incident ID
1818
Report Count
4
Incident Date
2026-06-02
Editors
Daniel Atherton
Incident Reports
Reports Timeline
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Clarkson Law Firm P.C. post-incident response
AIID editor’s note: This report is abridged from a 38-page civil complaint. Excerpts reproduce selected numbered allegations concerning the tenant’s interactions with ChatGPT, rent-withholding advice, Danish eviction proceedings, alleged re…
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Clarkson Law Firm P.C. post-incident response
Key Points:
- Alleged Design Defect: The lawsuit alleges OpenAI designed ChatGPT to keep a user engaged for 41,000+ messages while reinforcing false beliefs.
- Alleged Real-World Harm: The complaint alleges that poor legal advice from ChatGPT …
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A Danish man claims ChatGPT advised him to stop paying rent amid a dispute with his landlord, leading him to be evicted and end up living out of a car with his two dogs and a blanket.
Klaus Elmfelt, in his lawsuit filed this week in San Fra…
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A 60-year-old man from South Zealand followed ChatGPT's advice in a dispute with his landlord. It ended with him being evicted from his home.
This is the claim made by the Danish man against the company behind ChatGPT, OpenAI, in a lawsuit …
Variants
A "variant" is an AI incident similar to a known case—it has the same causes, harms, and AI system. Instead of listing it separately, we group it under the first reported incident. Unlike other incidents, variants do not need to have been reported outside the AIID. Learn more from the research paper.
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