CMS is home to a ���first-rate’ competition team which handles ’major contentious and non contentious matters.’ Its broad geographic coverage is evidenced by its ability to defend pan-European follow-on damages litigation. Kenny Henderson is a capable competition litigator who routinely represents clients in highly regulated sectors, such as the pharmaceutical and technology industries. Brian Sher regularly leads or co-leads on abuse of dominance matters, while Neil Baylis supports clients through key strategic appeals to CMA decisions in the CAT and the Court of Appeal.

Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘CMS have a first-rate competition team handling major contentious and non-contentious matters. ’
  • 'Brian Sher is the top pharma and competition litigator in London bar none. Kenny Henderson is a shrewd litigator who is always thinking outside the box. They are all ably assisted by Siohbhan Kahnmann.' 

  • ‘Brian Sher leads a very strong team at CMS, particularly strong on merger cases.’

  • ‘Brian Sher is the standout performer, with enormous experience and great judgment.' 

Key clients

  • Alliance Pharma
  • Arora Group
  • BAE Systems
  • Cadent Gas
  • Coca-Cola Europacific Partners
  • Dye & Durham Corporation
  • Equinor
  • GlaxoSmithKline
  • International Tin Association
  • Jaguar Land Rover
  • Microsoft
  • Leicester City Football Club
  • Octopus Energy Group
  • ParentPay
  • RWS
  • SSE

Work highlights

  • Acting for Microsoft in a standalone claim brought by a second-hand software reseller claiming damages and injunctive relief for infringement.
  • Advising Octopus Energy Group in judicial review proceedings brought in the English courts by three competing energy suppliers.
  • Advised Alliance Pharma on its appeal to the CAT following the CMA's enforcement decision in its investigation into the supply of Prochlorperazine.

Lawyers

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

Practice head

The lawyer(s) leading their teams.

Brian Sher, Kenny Henderson

Other key lawyers

Neil Baylis, David Bridge, Siobhan Kahmann