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Latham & Watkins Advises Additive AI in Acquisition by Thomson Reuters Corporation

September 16, 2025
Multidisciplinary team represents the San Francisco-based artificial intelligence startup in its acquisition by the global content and technology company.

Thomson Reuters Corporation (Thomson Reuters) (TSX/Nasdaq: TRI), a global content and technology company, announced it has acquired Additive. The San Francisco-based startup, founded in 2023, uses cutting-edge AI to automate tax document processing for tax and accounting professionals.

Latham & Watkins LLP represented Additive AI in the transaction with a corporate deal team led by Bay Area/Orange County partner Nima Movahedi, Bay Area partner Ben Potter, and Orange County associate Taylor Ashton, with assistance from associates Elena Burns, Danny Del Giorno, Zach Kobayashi, and Sandra Mathew. Advice was also provided on benefits matters by Bay Area partner Ashley Wagner, with associate Will Fowler; on tax matters by Bay Area partner Grace Lee, with associate Dennis Poehland; on intellectual property matters by Bay Area partner Michelle Gross, with associate Karen Sung; on data privacy and cybersecurity matters by Bay Area partner Robert Blamires, with associate Kathryn Parsons-Reponte; on regulatory matters by Washington, D.C. partner Andrew Galdes and Washington, D.C. counsel Ngoc Hulbig and Catherine Hein; and on emerging companies and growth matters by associate Eric Znotins.

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