Claudia represents a wide variety of clients in complex, high-value international corporate and commercial disputes conducted in the English and international courts, as well as in international arbitration. She frequently represents clients in various arbitration venues, including the London Court of International Arbitration. Advising on matters that are often cross-border in nature, Claudia’s experience in major international disputes spans industries including energy and natural resources, commodities, banking and finance (including offshore), cryptocurrency and blockchain technology.
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Work Highlights
Notable experience includes representing:
- Corporate entities whose stakeholders acquired interests in landmark London hotels that are at the centre of a series of significant disputes across multiple jurisdictions, including a major LCIA arbitration, involving financial claims and counterclaims
Notable experience prior to joining Simpson Thacher includes representing:
- One of the world’s leading tech communications companies in London-seated arbitrations concerning an investment in new blockchain technology and cryptocurrency platforms
- A venture capital fund in arbitration proceedings under the JAMS rules regarding allegations of breaches of fiduciary in relation to significant portfolio assets
- a major property investment and development group in obtaining a favourable settlement of an LCIA arbitration concerning the impact of COVID-19 on its sale of a c. €300 million commercial real estate portfolio
- An ultra-high-net-worth individual in successfully striking-out a $380 million civil fraud claim (with associated worldwide freezing orders) brought by oil company Tatneft in the English Commercial Court
- A Russian company in a Stockholm-seated arbitration under the UNCITRAL rules against a major international oil company relating to a long-term production sharing agreement, involving claims in excess of US$10 billion
- An international investment bank in defending allegations of financial fraud and contractual breach in excess of US$300 million involving court and arbitration proceedings in multiple jurisdictions
Accolades
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Best Lawyers: Ones to Watch in United Kingdom 2024
Education
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BPP Law School, 2013 Legal Practice Course
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King’s College London, 2012 LL.B.
Claudia Upton is Counsel in the Firm’s Litigation Practice. Based in the Firm’s London office, Claudia represents a wide variety of clients in complex, high-value international corporate and commercial disputes conducted in the English and international courts, as well as in international arbitration. She frequently represents clients in various arbitration venues, including the London Court of International Arbitration. Advising on matters that are often cross-border in nature, Claudia’s experience in major international disputes spans industries including energy, financial services, cryptocurrency and blockchain technology.
Notable experience includes representing:
- Corporate entities whose stakeholders acquired interests in landmark London hotels that are at the centre of a series of significant disputes across multiple jurisdictions, including a major LCIA arbitration, involving financial claims and counterclaims
Notable experience prior to joining Simpson Thacher includes representing:
- One of the world’s leading tech communications companies in London-seated arbitrations concerning an investment in new blockchain technology and cryptocurrency platforms
- A venture capital fund in arbitration proceedings under the JAMS rules regarding allegations of breaches of fiduciary in relation to significant portfolio assets
- a major property investment and development group in obtaining a favourable settlement of an LCIA arbitration concerning the impact of COVID-19 on its sale of a c. €300 million commercial real estate portfolio
- An ultra-high-net-worth individual in successfully striking-out a $380 million civil fraud claim (with associated worldwide freezing orders) brought by oil company Tatneft in the English Commercial Court
- A Russian company in a Stockholm-seated arbitration under the UNCITRAL rules against a major international oil company relating to a long-term production sharing agreement, involving claims in excess of US$10 billion
- An international investment bank in defending allegations of financial fraud and contractual breach in excess of US$300 million involving court and arbitration proceedings in multiple jurisdictions
Claudia received her LL.B. in 2012 from King’s College London. She is admitted to practice in England and Wales.