Arnold & Porter Advises Microsoft on Next Chapter of OpenAI Partnership
October 31, 2025
Arnold & Porter represented Microsoft Corporation in connection with the recapitalization of OpenAI into a public benefit corporation. Following the recapitalization, which closed on October 28, Microsoft holds an investment in OpenAI Group PBC valued at approximately $135 billion.
The Arnold & Porter team was led by partner Annette Becker, and included partners Laurie Abramowitz and Stephanie Coutu, and senior associate Eric An.