An experienced transactional lawyer, highly regarded in the field of data protection and cyber law.

James is a partner in our International Privacy and Data Protection Practice and India Strategy Group, based in our London office.

He advises on information law issues, including in the fields of data privacy, cyber risk and freedom of information and also handles complex technology, communications and outsourcing transactions for both customers and suppliers. Examples of his recent work include: designing and running GDPR compliance programmes for numerous clients; giving evidence to the House of Commons Brexit Select Committee on the data protection implications of the UK's exit from the EU; assisting clients dealing with data security breaches and claims by individuals for alleged breaches of the GDPR and other privacy laws; advising the UK water industry to the European Court of Justice on a data law issue; and advising clients on BCR and other data transfer compliance mechanisms.

James has a particular interest in India having co-founded his previous firm’s India desk. He has assisted a number of Indian companies with their international operations and co-heads our India Strategy Group.

Before joining us in 2015, James was a partner at Osborne Clarke where he worked since qualifying in 1996.

James co-wrote ‘The Data Protection Act Explained’ (published in 3 editions between 1998 and 2001), is an editor of the magazine Data Protection Law & Policy and is a member of the panel of experts for the website DataGuidance. He regularly speaks at conferences around the world on data, cyber and technology law topics.

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Lawyer Testimonials
  1. James Mullock counsels clients on a range of information law issues, with sources saying he is "very knowledgeable on data protection and able to offer concise advice."

    Chambers UK, 2018
  2. Clients are "very impressed" with James Mullock and "appreciate his openness and friendliness" as well as his "very pragmatic and firm approach."

    Chambers UK, 2018
  3. James Mullock’s expertise encompasses data protection, freedom of information and cyber law.

    Legal 500, 2017