Brian Sher > CMS > London, England > Lawyer Profile
CMS Offices

CANNON PLACE
78 CANNON STREET
LONDON
EC4N 6AF
England
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Brian Sher
Position
Partner and Head of Antitrust, Competition and Trade
Career
Brian leads the UK Antitrust, Competition and Trade Team. He is an experienced and trusted competition law adviser, having practised exclusively in the field of EU, UK and international competition law and merger control for over 25 years. He is dual qualified: Solicitor, England and Wales and Advocaat, Dutch Brussels Bar (A-List). He works out of London and Brussels.
Brian’s was named one of the Top 10 Prominent UK Competition Law Lawyers Dominating 2023 (Business Today Lawyer Awards 2023). He led the CMS team that won Legal Business Awards Competition Team of the Year 2020. He has been described as “indefatigable in serving his clients” (Legal 500 Competition Litigation 2022) and “quite exceptional. He is an extremely good lawyer: clever, thoughtful, and he has good business and economic judgement.” (Chambers and Partners UK: Competition Law – London 2022). He has long been ranked as a leading individual for competition law in Chambers and Partners and is ranked as a Global Leader in Who’s Who Legal.
Brian advises major international corporates on competition matters in their distribution, pricing, technology licensing and competitor collaboration arrangements. He has deep experience of investigations and inquiries, competition litigation and appeals, and is widely known for his abuse of dominance expertise. He has substantial UK and EU merger control experience, having obtained numerous clearances in Phase 1 and 2 proceedings, both unconditionally and with remedies. He also advises in related areas including foreign direct investment (both the UK National Security & Investment Act and international coordination), digital and utility regulation, EU state aid/UK subsidy control and consumer law. Brian‘s experience spans a wide range of industry sectors including technology and media, life sciences and healthcare, energy and infrastructure, transportation, manufacturing, consumer, retail and financial services.
Brian is co-chair of the Joint Working Party of Bars and Law Societies of the UK on Competition Law and a member of the steering committee of the CMS Global Antitrust, Competition and Trade practice. He gained two years‘ management consultancy experience and training prior to becoming a lawyer.
Memberships
- Solicitor, England and Wales.
- Advocaat, Dutch Brussels Bar (A-List).
- Co-chair of the Joint Working Party of the Bars and Law Societies of the UK on Competition Law.
- Steering Committee Member, Global Antitrust, Competition and Trade Group, CMS.
- Member of the Law Society’s European Group.
Education
- 1990 – B.C.L., First Class, Merton College, Oxford University, Oxford.
- 1989 – M.A. (Law), First Class, Merton College, Oxford University, Oxford.
Lawyer Rankings
London > Industry focus > Life sciences and healthcare
CMS is praised for its ‘international capabilities and ‘broad range of expertise’ which encompasses commercial, regulatory, patent litigation and corporate work. Patent expert Robert Stephen leads the practice alongside Sarah Hanson and investment and development transactions specialist Candice Blackwood. Hanson excels in commercial, IP and outsourcing transactions. Shuna Mason is frequently sought out by medical device manufacturers for assistance with product liability mandates, while Brian Sher is a key contact for competition matters in the healthcare space. Glasgow-based Carina Healy ‘s commercial and IP expertise has made her a key contact for academic and research institutions on their research, licensing and commercial needs, and Healy’s Glasgow colleague David Dennis excels in clinical trial and collaboration agreements. Fionnuala Rice further augments the group’s patent litigation strength.
London > Corporate and commercial > EU and competition
(Leading partners)Capitalising on its extensive global network, the team at CMS, praised by clients for its ‘pragmatic and commercial’ advice, is well versed in the full gamut of UK and EU competition matters, particularly excelling in the digital, media, energy, and pharmaceutical arenas. The team is led by the ‘quick witted and commercial’ Brian Sher, who maintains a busy practice, acting on a range of high-profile contentious and non-contentious competition matters across the EU and UK. The ‘outstanding’ Neil Baylis, who joined the team from Mishcon de Reya LLP in 2023, regularly advises on complex mergers and investigations.
London > Dispute resolution > Competition litigation
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.
Lawyer Rankings
- Leading partners London > Corporate and commercial > EU and competition
- Life sciences and healthcare London > Industry focus
- Competition litigation London > Dispute resolution
- EU and competition London > Corporate and commercial
Top Tier Firm Rankings
- Real estate > Commercial property: corporate occupiers
- Real estate > Commercial property: development
- Real estate > Commercial property: investment
- Real estate > Construction: contentious
- Real estate > Environment
- Corporate and commercial > Equity capital markets – small-mid cap
- TMT (technology, media and telecoms) > Fintech: corporate and commercial
- Crime, fraud and licensing > Fraud: civil
- Crime, fraud and licensing > Gaming and betting
- Insurance > Product liability: defendant
- Industry focus > Hospitality and leisure
- Projects, energy and natural resources > Infrastructure: Project finance and development
- TMT (technology, media and telecoms) > Intellectual property: trade marks, copyright and design
- TMT (technology, media and telecoms) > IT and telecoms
- Insurance > Product liability: defendant
- TMT (technology, media and telecoms) > Media: Digital content & social
- TMT (technology, media and telecoms) > PATMA: Patent attorneys
- Employment > Pensions (non-contentious)
- Employment > Pensions: dispute resolution
- Real estate > Planning
- Projects, energy and natural resources > Power (including electricity and nuclear)
- Real estate > Property litigation
- Investment fund formation and management > Real estate funds
- Projects, energy and natural resources > Renewables
- Industry focus > Retail and consumer
- Investment fund formation and management > Retail funds
- Industry focus > TMT
Firm Rankings
- Corporate and commercial > Commercial contracts
- Real estate > Construction: non-contentious
- Risk advisory > Data protection, privacy and cybersecurity
- Employment > Employers
- Corporate and commercial > Financial services: contentious
- TMT (technology, media and telecoms) > Fintech: regulatory
- Projects, energy and natural resources > Infrastructure: M&A and acquisition financing
- Insurance > Insurance and reinsurance litigation
- Insurance > Insurance: corporate and regulatory
- TMT (technology, media and telecoms) > Intellectual property: patents (contentious and non-contentious)
- Industry focus > Life sciences and healthcare
- TMT (technology, media and telecoms) > Media: Advertising & marketing
- TMT (technology, media and telecoms) > Media: Film & TV
- TMT (technology, media and telecoms) > Media: Media finance
- Projects, energy and natural resources > Oil and gas
- TMT (technology, media and telecoms) > PATMA: Trade mark attorneys
- Dispute resolution > Professional discipline
- Insurance > Professional negligence
- Real estate > Property finance
- Transport > Rail
- TMT (technology, media and telecoms) > Sport
- Corporate and commercial > VAT and indirect tax
- Corporate and commercial > Venture capital
- Finance > Bank lending: investment grade debt and syndicated loans
- Dispute resolution > Banking litigation: investment and retail
- Insurance > Clinical negligence: defendant
- Dispute resolution > Commercial litigation: premium
- Corporate and commercial > Corporate tax
- Finance > Derivatives and structured products
- Employment > Employee share schemes
- Corporate and commercial > Financial services: non-contentious/regulatory
- Employment > Health and safety
- Dispute resolution > International arbitration
- Investment fund formation and management > Listed funds
- Corporate and commercial > M&A: Upper Mid-Market And Premium Deals, £750m+
- TMT (technology, media and telecoms) > Media: Music
- Corporate and commercial > Private equity: transactions - mid-market deals (up to £500m)
- Risk advisory > Regulatory investigations and corporate crime (advice to corporates)
- TMT (technology, media and telecoms) > Reputation management
- Public sector > Administrative and public law
- Transport > Aviation
- Dispute resolution > Competition litigation
- Finance > Corporate restructuring & insolvency
- Finance > Debt capital markets
- Corporate and commercial > Equity capital markets: mid-large cap
- Corporate and commercial > EU and competition
- Dispute resolution > Public international law
- Dispute resolution > Tax litigation and investigations
- Finance > Acquisition finance
- Finance > Transport finance and leasing
- Investment fund formation and management > Private funds