Clients in the natural resources, energy, and mining sectors regularly seek the assistance of Herbert Smith Freehills Kramer LLP’s public international law team, which stands out for its strength in advising both investors and states in investor-state disputes, as well as advising on investment treaty drafting. Andrew Cannon has a broad PIL practice with an emphasis on bilateral and multilateral treaty work, both contentious and non-contentious, and attracts praise for his ‘incisive advocacy’. Cannon leads the firm’s global PIL team alongside co-head Christian Leathley, a seasoned international arbitrator with notable industry expertise in the energy, mining, and telecoms sectors. Hannah Ambrose takes point on investment treaty claims and investment structuring matters, in addition to supporting on state immunity and boundary delimitation issues. Also in the core team are Louise Barber and Joel Halliday, who ably assist on international arbitration matters.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘Very talented team led by ace partners who excel at advocacy and the tactics of running investor-state cases.’

  • ‘Andrew Cannon is co-head of the PIL practice and a consummate public international lawyer with FCO experience on top of his incisive advocacy and in-depth PIL expertise. Christian Leathley is co-head of the PIL practice and has a stellar record in ISDS matters.'

  • 'Hannah Ambrose is carving quite a reputation in the ISDS space with a loyal client following. Louise Barber is definitely one to watch in the ISDS space.’

Lawyers

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Practice head

Andrew Cannon; Christian Leathley

Other key lawyers

Hannah Ambrose; Louise Barber; Joel Halliday