A company that owns patents developed by two computer scientists has filed separate lawsuits against Anthropic and OpenAI in a US federal court, alleging infringement of five patents relating to neural network technology.
Flinn Artificial Intelligence (AI) Technologies said in complaints filed in the US District Court for the District of Delaware that both companies had built their businesses around capabilities covered by patents held by inventors Steven Flinn and Naomi Moneypenny.
The alleged capabilities include reasoning, information retrieval, memory, coding, agent-based functions and multimodal processing.
The company claims that Anthropic's Claude and OpenAI's ChatGPT large language models infringe the patents and has sought an unspecified amount in monetary damages.
According to the complaints, Flinn and Moneypenny filed patent applications relating to machine learning technology in 2015 and 2016. The patents cover aspects of neural network systems that the plaintiff says are incorporated into the AI companies' products and services.
Neither Anthropic nor OpenAI immediately responded to requests for comment on the allegations.
Both companies have faced several lawsuits concerning their use of copyrighted material to train artificial intelligence systems. However, patent infringement claims against the two AI developers have been relatively uncommon.
The lawsuits have been filed separately under the cases Flinn Artificial Intelligence Technologies LLC v. Anthropic PBC (No. 1:26-cv-01454) and Flinn Artificial Intelligence Technologies LLC v. OpenAI OpCo LLC (No. 1:26-cv-01455), both before the US District Court for the District of Delaware.
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