David Zeffman

David Zeffman

Head of Gambling and Sport

CMS Cameron McKenna Nabarro Olswang LLP
Cannon Place
78 Cannon Street
United Kingdom
Languages English

David has been one of the leading lawyers in the UK media sector for over 25 years and has extensive experience providing strategic, commercial and regulatory advice to clients in the gambling, sport and television sectors. He has been involved in many of the major transactions that have taken place in these sectors, including the launch of several television channels and the sale of media rights to some of the world's biggest sporting competitions.

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"Sources agree that David Zeffman is a "very strong practitioner" who is "very well known in the gaming market."

Chambers 2017

"Sources single out practice leader David Zeffman for his expertise in media and gambling-related sports matters, particularly those involving the horse racing industry. He continues to advise broadcasters on major sports television rights deals."

Chambers 2017

Relevant experience


  • Gamesys on a range of commercial, regulatory and corporate matters including: the sale of its JackpotJoy and other brands to Intertain for an initial payment of GBP 425.8m; advising on its online gaming partnership with the New Jersey casino Tropicana; the acquisition of Virgin Games; and Gamesys’ partnership with Metric Gaming to launch its sportsbook offering.
  • The Gibraltar Betting and Gaming Association on its legal challenges to the UK Government’s reform of the taxation of remote gambling services and to the introduction of place of consumption licensing and regulation in Britain.
  • GVC with regulatory advice in the context of its bid for bwin.party Digital Entertainment Plc, as well as providing support during the due diligence process running-up to the successful bid made by GVC for bwin.party.
  • Tote Media Limited, (established by Betfred owner and chairman, Fred Done) on its deal that enabled the Great Leighs racecourse to reopen.


  • ICC on its global media rights tender, bidding and evaluation process for 18 tournaments between 2015 and 2023.
  • The Government on the future funding of British horseracing following the decision of the European Court of Justice in the William Hill v BHB database rights case.
  • FIFA on the worldwide sale of media rights to the 2010 and 2014 World Cups.
  • Setanta Sports, SingTel, Sky Italia, Dentsu and many others on their acquisition of rights to broadcast Premier League football.


  • The launch and/or subsequent operations of many television channels since the launch of satellite television in the 1980s including MTV Europe, VH1, FilmFour, E4, AtTheRaces, Bloomberg and Eurosport.
  • The set up, funding, launch and all activities of the DTT pay television platform Top Up TV.
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1980 - MA Jurisprudence,  Brasenose College, Oxford

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Member - The Editorial Board of World Online Gambling Law Report and World Sports Law Report.

Member - International Masters of Gaming Law.

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In­ter­act­ive Guide to On­line Gambling Reg­u­la­tion in...
Gambling Com­mis­sion in­vest­ig­ates on­line casi­nos
The UK Gambling Com­mis­sion (the “Com­mis­sion”) an­nounced last week that it has writ­ten to all on­line casino op­er­at­ors which it reg­u­lates rais­ing con­cerns about the op­er­at­ors’ ap­proach to anti-money laun­der­ing and so­cial re­spons­ib­il­ity.
UK gambling sec­tor in last chance sa­loon
At around this time last year, I wrote a piece (see here) en­titled “Gambling in­dustry hit by tsunami!”.   I’ve now ex­hausted my lex­icon of cata­strophe meta­phors but, after Tues­day’s Gambling Com­mis­sion Rais­ing Stand­ards con­fer­ence, maybe I should say that the.
On­line com­pan­ies re­quired to re­view terms and con­di­tions
In Oc­to­ber of last year, the CMA com­menced an in­vest­ig­a­tion in­to the prac­tices and con­sumer terms of on­line gambling com­pan­ies and wheth­er they are treat­ing their cus­tom­ers fairly (see our note on this here).
Amazon and Man City: An ex­clus­ive prob­lem for the Premi­er League
FA Premi­er League (“FAPL”) clubs sell the rights to the live broad­cast of their matches col­lect­ively. This means clubs do not enter in­to in­di­vidu­al ne­go­ti­ations with broad­casters for the right to broad­cast matches and in­stead the FAPL sells ex­clus­ive pack­ages.
Ter­min­al De­cline: FOB­Ts’ fi­nal fate still to be de­cided
For over a year now, me­dia dis­cus­sion of the gambling sec­tor has been dom­in­ated by FOB­Ts (Fixed Odds Bet­ting Ter­min­als or, more pre­cisely, B2 gam­ing ma­chines) which have rarely been men­tioned without the suf­fix “the crack co­caine of gambling”.