Constantine Cannon LLP > London, England > Firm Profile

Constantine Cannon LLP
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Private client > Art and cultural property Tier 1

Pierre Valentin leads a first-rate team at Constantine Cannon LLP that advises various high-profile clients including foreign governments, some of the most prominent art collectors in the UK and abroad in addition to well-known contemporary artists, leading commercial galleries and museums. Other key clients include art investment funds, family offices, insurance companies and auction houses. Valentin represents clients in the High Court and Court of Appeal on matters of ownership, fraud and other issues such as Nazi restitutions, foreign nation recoveries and authenticity. There have been some changes to the team recently however. Penny Walker and Tom Christopherson have joined the practice. Azmina Jasani has secured an inhouse position and Till Vere Hodge is now at Payne Hicks Beach LLP. Fionnuala Rogers remains a consultant at the firm and advises on all aspects of art law including cultural property, repatriation and other areas relating to the seizure and the export of antiquities.

Practice head(s):

Pierre Valentin


Pierre Valentin is very bright and is thoroughly familiar with the laws of multiple countries related to art and other collectibles. He has great negotiating skills and does it without offending the other side’.

‘Constantine Cannon is almost unique as a law firm focused on art and cultural property. Its industry experience is arguably unparalleled with a limited number of close peers and the reputation of its key partners within the sector, is equally high profile’.

‘Pierre Valentin is the founding partner and driving force of Constantine Cannon’s UK art and cultural law team. He is held in the highest regard by fellow professionals and clients in the visual arts space in particular and has a tremendous amount of knowledge built up over many years. When dealing with artists, artist estates or art businesses generally, his experience of commercial arrangements is crucial’.

‘The firm is truly partner led and the advice that comes is both comprehensive but also “pragmatic advice” rather than pages of caveats’.

Key clients

The Line Art Walk

Work highlights

  • Contributed to a variety of projects for The Line including artist commission agreements, loan agreements and exhibition agreements.

Dispute resolution > Commercial litigation: mid-market Tier 6

The London office of US-based litigation boutique Constantine Cannon LLP, which has financial payments services, healthcare, pharmaceuticals and transportation sector expertise, recruited high-profile litigation partner Hardeep Nahal from McGuireWoods London LLP in October 2021. Providing further partner-level support is competition litigation head Richard Pike, who 'achieves practical and commercial outcomes'.

Practice head(s):

Hardeep Nahal; Richard Pike

Other key lawyers:

Simon Yeung


The Constantine Cannon team merges creativity with commerciality. Quite simply, it always find a way to get things done.

Hardeep Nahal and his team are very proficient and diligent lawyers. They understand the mechanics of each individual case and approach it creatively, all the while keeping the client comfortable and updated. No question is too silly or time consuming.

Hardeep Nahal is a brilliant and experienced lawyer, who inspires confidence when approaching a new case. Timely and bullish, and always delivers.

Richard Pike achieves practical and commercial outcomes by first creatively exploring the limits of what is possible.

Of counsel Simon Yeung is a master at completing the seemingly impossible both on time and to budget.

Key clients

Euronet 360 Finance

Grant Thornton-organised trucks consortium

Work highlights

  • Acting for a consortium of 140 local authorities and fire and rescue services in bringing a follow-on damages claim, which relates to a truck cartel.
  • Representing Gary Lee, a software developer, in a large-value commercial litigation matter against a former partner in a company called Your City Office.
  • Assisting Euronet with a claim against Mastercard and Visa that alleges breaches of competition law.

Constantine Cannon’s Art and Cultural Property Law Group is a leading art and cultural heritage-focused practice. The Group has an international reach and is recommended for its work on cross-border matters. Under the leadership of Pierre Valentin, the Group has a long-standing track record of providing preeminent legal support to key stakeholders across a large number of specialisms. This includes all manners of art market transactions, restitution and repatriation, artistic practice, intellectual property, and cultural heritage protection, amongst others. The Group continues to be involved in an array of complex multi-jurisdictional transactions in addition to providing regulatory advice to foreign governments and representing clients in complex disputes. Clients include UHNW individuals and collectors, auction houses, artists, leading commercial galleries, museums, art foundations, trusts, family offices and foreign governments. Fionnuala Rogers is particularly recognised for her experience of the emerging art markets and cultural destinations (especially the Gulf region).

Head of Litigation Richard 3959 0624
Head of Art Pierre 3959 0623
Pierre Valentin photoMr Pierre ValentinPierre Valentin is a partner of Constantine Cannon LLP and the founder…