Orrick, Herrington & Sutcliffe stands out for its work in copyright disputes involving technology, media and emerging platforms, such as the use of copyrighted work in AI training. With additional experience in traditional copyright litigation, the group is well-versed in class actions, contract disputes and infringement actions. The team is led by Alyssa Caridis in Los Angeles and Sheryl Koval Garko in Boston, who both focus on litigation matters. In San Francisco, Annette Hurst combines in-depth knowledge of artificial intelligence with experience in high-stakes copyright disputes. From the Boston office, David Hosp assists media and technology companies in IP matters, whilst Mark Puzella is a key contact for telecoms and consumer brand clients.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘They balance the details of a given review with practical information to inform a path forward. In short, the team helps us to understand how to make the right decisions for selecting and protecting our IP directions.'

  • 'The team is tremendously helpful in helping us to keep track of key dates and actions.’
  • ‘The team has been able to report in detail while 'translating' things into clear language that can immediately inform our actions. I appreciate that they don't fall back on 'legalese' but rather provide clear inputs to inform our decisions.’

Key clients

  • Cohere, Inc.
  • Microsoft, Inc.
  • GitHub, Inc.
  • Altice USA Inc.
  • Sony Interactive Entertainment LLC
  • T-Mobile

Work highlights

Representing Microsoft in a series of landmark copyright cases challenging the use of copyrighted works to train and power large language models across products such as ChatGPT, Copilot, and GitHub Copilot.
Representing Sony Interactive Entertainment in a federal copyright and trademark action against Tencent alleging that its game Light of Motiram copies protected elements of Sony’s Horizon franchise.
Representing Cohere, a leading challenger to OpenAI and Anthropic, in a high-profile copyright and trademark suit brought by a coalition of major global publishers alleging unauthorized use of content in AI training.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Annette Hurst
Annette Hurst
Practice head

Alyssa Caridis; Sheryl Koval Garko

Other key lawyers

Annette Hurst; David Hosp; Mark Puzella