Natalie Ellerby

Natalie Ellerby

Baker & McKenzie LLP


Natalie advises clients across a wide range of sectors, including the life sciences, consumer and tech sectors, on acquiring, disposing of, commercialising and protecting their intellectual property rights.

Natalie heads up Baker McKenzie’s IP transactional practice in London and focuses on advising clients on IP-critical acquisitions and disposals including complex cross-border carve-outs, IP licensing matters, franchising arrangements, intragroup IP reorganisations and joint venture and collaboration agreements.

Natalie teaches on University College London’s IP Transactions course and has been ranked as a Rising Star in Managing IP’s IP STARS publication.

Practice Focus

Natalie’s practice comprises transactional, commercial and contentious work. She advises clients on all aspects of IP-critical transactions and has extensive experience in drafting and negotiating bespoke licensing arrangements and collaboration agreements.

Natalie is a qualified High Court advocate with a Master's degree in Chemistry. She has over 13 years of experience advising on a range of contentious IP matters, including trade mark and patent infringement litigation, coordinating international actions, coexistence and licensing disputes and damages inquiries.

Representative Legal Matters

Prior to joining the Firm, Natalie handled the following matters:

  • Advised Citi on the divestment of its consumer business to separate purchasers in 12 jurisdictions, leading on the branding workstreams.

  • Advised John Lewis Partnership on the relaunch of its retail rewards credit card for customers, in partnership with UK consumer credit business NewDay, including drafting and negotiating the long-term brand licence.

  • Advised BP on its US 15 billion sale of its global aromatics and acetyls petrochemicals business to INEOS.

  • Advised Montagu on the purchase of Kodak’s flexographic packaging division.

  • Advised Merck & Co., Inc. on its long-running trade mark and breach of contract dispute.

  • Advised TDR Capital and French restaurant group Napaqaro on their master franchise and development agreement of Popeye's chicken restaurants in France.

  • Advised Novartis on its USD 20 billion three-part-asset-swap transaction with GSK.

  • Advised a multinational consumer goods company on the reorganisation of their IP portfolio and intragroup licensing arrangements.

Professional Honors

  • Ranked as a Rising Star by Managing IP

Professional Associations and Memberships

  • International Association for the Protection of Intellectual Property (AIPPI)

Corporate Responsibility

  • Member of BakerWomen
  • Advises a range of pro bono clients and actively raises money for local and national charities


  • England & Wales (Solicitor)~United Kingdom (2009)


  • Oxford University (Postgraduate Diploma in IP Law and Practice) (2011)
  • College of Law at London (Legal Practice Course) (2007)
  • BPP Law School, London (Graduate Diploma in Law) (2006)
  • Oxford University (Masters in Chemistry) (2005)


  • English