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Stefanie Day

Solicitor Advocate

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

Stefanie Day is an Associate and Solicitor Advocate in CMS’s London Dispute Resolution team.  

Stefanie’s dispute resolution experience includes advising a broad range of companies and individuals on High Court litigation, international arbitration and mediation. She advises on commercial disputes arising from allegations of breach of contract, breach of fiduciary duties, fraud, negligence, misrepresentation, defamation as well as data breaches/crisis management, funds/banking disputes, technology disputes and regulatory matters.

Stefanie is passionate about tackling the climate crisis, green technology and helping companies reduce their carbon emissions.

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  • 2019 - Higher Rights of Audience (Civil)
  • 2016 - Admitted as a Solicitor, England & Wales
  • 2014 – Legal Practice Course, Kaplan Law School
  • 2011 – Graduate Diploma in Law, The College of Law
  • 2010 – BA (CH) History and French, University of Exeter
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Fu­ture Fa­cing Dis­putes - ESG Risk and Share­hold­er Act­iv­ism
Share­hold­er act­iv­ism is in­creas­ingly in­flu­en­cing cor­por­ate agen­das. Share­hold­er act­iv­ists are in­creas­ingly fo­cus­ing on en­vir­on­ment­al, so­cial and gov­ernance (“ESG”) is­sues to in­flu­ence a com­pany’s be­ha­viour in light of cli­mate change, the most sig­ni­fic­ant chal­lenge fa­cing hu­man­ity today.With COP26 (the 26th UN Cli­mate Change Con­fer­ence) hav­ing just taken place in Glas­gow, the ap­proach taken by busi­nesses to cli­mate change will be un­der in­creas­ing scru­tiny as share­hold­er act­iv­ists in­tensi­fy their fo­cus on ESG is­sues.To read this fu­ture fa­cing dis­putes pa­per down­load the pdf be­low. 
Evol­u­tion not re­volu­tion: Cor­por­ate Re­spons­ib­il­ity and Cli­mate Change
Cli­mate change, sus­tain­ab­il­ity, and ESG are no longer niche areas of in­terest – they have be­come fun­da­ment­al to the way busi­nesses op­er­ate and im­pact the way we live our lives. Com­pan­ies face an im­port­ant...
CMS In­ter­na­tion­al Dis­putes Di­gest - 2021 Sum­mer Edi­tion
Wel­come to the 2021 sum­mer edi­tion of our In­ter­na­tion­al Dis­putes Di­gest, a bi-an­nu­al pub­lic­a­tion fea­tur­ing ana­lys­is and com­ment­ary on the key trends cur­rently shap­ing the glob­al dis­pute res­ol­u­tion mar­ket.As...
Dis­putes 101 - In­tro­duc­tion to Civil Lit­ig­a­tion
Wel­come to the Dis­putes 101: CMS Au­tumn We­bin­ar Series This series will take place over 11 weeks, every Wed­nes­day from 8 Septem­ber – 1 Decem­ber 2021 at 2-3pm. Part­ners and as­so­ci­ates from CMS’ lit­ig­a­tion...
Fu­ture Fa­cing Dis­putes - Emer­gence of Cli­mate Change Lit­ig­a­tion
There is grow­ing con­cern that per­son­al, prop­erty and com­mer­cial dam­age caused by cli­mate change is in­creas­ingly giv­ing rise to dis­putes. Rising costs of im­prov­ing and in­stalling flood pro­tec­tion in­fra­struc­ture...
Non-party costs or­ders: The Ar­kin cap should not ne­ces­sar­ily ap­ply in every...
The High Court has re­jec­ted the sug­ges­tion that the Ar­kin cap, which lim­its the ex­tent of non-party costs or­ders against a com­mer­cial lit­ig­a­tion fun­der, must be ap­plied in every case. Back­ground In Dav­ey...
Court of Ap­peal cla­ri­fies two key con­trac­tu­al law is­sues
In a case con­cern­ing a con­tract for the sup­ply of egg products, the Court of Ap­peal has cla­ri­fied two key con­trac­tu­al law is­sues: (1) the cor­rect test for in­duce­ment in cases of res­cis­sion for fraud­u­lent...
The fu­ture land­scape for AI claims around the world
Gov­ern­ments and reg­u­lat­ory bod­ies around the world are be­gin­ning to en­act the le­gis­la­tion and reg­u­lat­ory meas­ures re­quired to fa­cil­it­ate the fur­ther de­vel­op­ment and im­ple­ment­a­tion of AI sys­tems. There...
Should there be a strict li­ab­il­ity re­gime for AI claims?
It may be dif­fi­cult to es­tab­lish who is re­spons­ible if an AI sys­tem fails to per­form as in­ten­ded due to the num­ber of parties in­volved in cre­at­ing, de­vel­op­ing and op­er­at­ing the sys­tem. This will make...
Ar­ti­fi­cial In­tel­li­gence - Who is li­able when AI fails to per­form?
Who is li­able when AI fails to per­form? The in­ev­it­ab­il­ity of AI dis­putes Who is at fault when an AI sys­tem fails to per­form? AI li­ab­il­ity and cur­rent law Spe­cif­ic rules are be­ing for­mu­lated in cer­tain...
Pri­vacy and data pro­tec­tion claims can be heard in the Busi­ness List as...
An ap­plic­a­tion by a de­fend­ant to trans­fer a claim from the Busi­ness List (Chan­cery Di­vi­sion) to the Me­dia and Com­mu­nic­a­tions List of the Busi­ness and Prop­erty Courts (Queen’s Bench Di­vi­sion) was re­fused...