A Japanese firm has confirmed a business transaction with Anthropic. The deal was concluded in November 2024 by Nippan IPS. As part of this agreement, Nippan IPS sold books to Anthropic over a period of time.

The book sales took place from December 2024 to the following December. This timeframe suggests that the transaction was ongoing for about a year.

Further details about the deal and the books sold are available from the source, providing more information about this business transaction between Nippan IPS and Anthropic.