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Her Majesty Queen Elizabeth II 1926 - 2022

Portrait of John Zadkovich


John advises on a range of energy, trade and finance matters, with particular expertise in international commercial arbitration, investigations and public international law.

He has a strong legal and commercial understanding of the trade, energy (including oil and gas, mining/natural resources, renewables), infrastructure and finance sectors. John is experienced in working with most international arbitration rules and recognised institutions, including ICC, LCIA, SIAC, LMAA, HKIAC, CIETAC and UNCITRAL, and frequently appears as counsel before arbitral tribunals. He has also advised clients regarding regulatory and internal investigations and appeared as counsel before regulatory tribunals.

John’s clients range from sovereign states, state owned entities, and multinational and domestic companies, to trading houses, private equity firms and family offices. He has more than 15 years of legal experience across Asia-Pacific, Europe and the Middle East, having previously worked at Australian, English and American law firms, including six years in Hong Kong.

Recent work highlights

  • Acted for Kuwaiti oil infrastructure/manufacturing company in a $12 million contractual claim (CIETAC arbitration).
  • Assisting an Indian energy conglomerate in multiple power/infrastructure disputes, for a combined value of approximately $450 million (ICC arbitrations).
  • Acted for a Saudi Arabian private business in a $20 million finance dispute (SIAC arbitration).
  • Advised a Japanese international oil company regarding a production sharing contract tax dispute with an Asian sovereign state (KLRCA arbitration).
  • Acted on behalf of Middle Eastern government in a $9 million oil supply dispute (UNCITRAL arbitration, and subsequent UK Supreme Court appellant proceedings).

Penningtons Manches Cooper LLP

Penningtons Manches Cooper LLP is a limited liability partnership registered in England and Wales with registered number OC311575 and is authorised and regulated by the Solicitors Regulation Authority under number 419867.

Penningtons Manches Cooper LLP