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Mayhar Mustafa Kazi

Partner

Based in Karachi, Mayhar Mustafa Kazi is a partner specialising in high-value commercial litigation, arbitration and regulatory challenges, as well as strategic advisory work on tax, foreign investment and sector-specific regulatory frameworks. With over 15 years of experience, Mayhar leads complex disputes for Fortune 500 companies and leading Pakistani enterprises across energy, infrastructure, financial services and technology.

Recognized by Chambers Asia Pacific for his “excellent ability to digest complex issues, provide constructive advice and work through alternative strategies,” Mayhar is known for providing what clients describe as “timely and in-depth analysis and advice.” The Legal 500 notes he is “highly regarded for his work across a variety of complex cases,” with clients praising him as “a gem of a person” who “pleads the case in court very professionally & with great preparation.”

Mayhar has achieved several precedent-setting outcomes in Pakistan, including the first recognition of a foreign arbitral award under the New York Convention, the first judgment on derivative actions in shareholder disputes and the first decision on High Courts’ Constitutional Bench jurisdiction under the 26th Amendment. He has served as expert witness on Pakistani law before the English High Court.

Recent significant matters include representing Gunvor in litigation against Pakistan State Oil and Pakistan LNG Limited, defending Sindh Engro Coal Mining Company’s USD 2 billion CPEC infrastructure project against an environmental challenge and representing the Hub Power Company in a PKR 11.5 billion commercial dispute. His disputes practice encompasses arbitration, contracts, company law, employment, environment, insurance, power, oil and gas, shipping and tax related matters.

On the advisory side, Mayhar draws on substantial M&A and project finance experience to deliver what clients describe as “excellent multi-discipline advice.” The Legal 500 recognises his ability to “balance technically sound advice while also being practical and solution-orientated.” His advisory practice covers corporate governance, competition law, investment structures and sector-specific regulation across energy, financial services and technology.

As a partner at Pakistan’s exclusive Lex Mundi member firm, with offices throughout Pakistan and in Dubai (DIFC) and London, Mayhar coordinates complex cross-border matters. Born in Japan and having lived in Iraq, Indonesia, the Netherlands, Russia and the UK, he brings international perspective to multi-jurisdictional disputes and advisory mandates.

Mayhar regularly contributes to Bloomberg Tax Planning International Review, Thomson Reuters Practical Law, LexisNexis and Lexology on Pakistan’s tax, foreign investment and dispute resolution landscape. He has also contributed to the World Bank’s Doing Business and Investing Across Borders publications.

Experience

Contentious

Representative matters:

  • Adamjee Insurance Company Limited in an application at the Sindh High Court for international arbitration of a dispute arising from a complex insurance policy issued in connection with a major power station in Karachi.
  • Attock Cement Company Limited in civil proceedings at the High Court of Sindh to detain coal cargo aboard a vessel on the grounds of breach of a contract of sale.
  • BL Harbert International (Private) Limited in proceedings before the High Court of Sindh challenging income tax assessments seeking to impose tax liability of US$ 300 million made in pursuance of anti-avoidance provisions of the Income Tax Ordinance, 2001.
  • Chevron Pakistan Lubricants (Private) Limited: representing the client in proceedings before the High Courts on a range of tax, industrial relations and worker’s profit participation disputes and in proceedings before the Competition Commission of Pakistan.
  • Fauji Cement Company Limited, in multiple proceedings before the Sindh High Court and Customs Tribunal regarding the eligibility for customs duty and tax exemption of cement manufacturing plant imported in the early 1990s.
  • EFU General Insurance Co. Ltd in a reinsurance dispute with a Lloyd’s syndicate arising out of a control of well policy issued to an oil exploration company.
  • GlaxoSmithKline Pakistan Limited, in various proceedings before the High Court of Sindh and the Appellate Tribunal Inland Revenue challenging the refusal of the Federal Board of Revenue to accord sales tax exemptions to certain products.
  • Gul Ahmed Energy Limited, one of Pakistan’s first IPPs, in expert determination proceedings before Mr Justice Ajmal Mian, former Chief Justice of Pakistan and thereafter in ICC arbitration proceedings arising out of a Rs. 1.2bn payment dispute under the Power Purchase Agreement.
  • The Hub Power Company Limited in a suit at the High Court of Sindh challenging the decision of Central Power Purchasing Agency (Guarantee) Limited to set off Rs. 11.5bn from Hubco’s receivables under Power Purchase Agreement and in proceedings before the Balochistan High Court challenging the establishment of a coal-fired plant by the associated company on environmental law grounds.
  • Pakistan State Oil Company Limited in the first reported judgment in which a foreign arbitral award in terms of the New York Convention was enforced in Pakistan under the Recognition and Enforcement (Arbitration Agreements and Foreign Arbitral Awards) Act, 2011.
  • Shikarpur Power (Pvt.) Limited, a power project established under the New Captive Power Plant Policy, in trial and appellate proceedings before the High Court of Sindh against Sukkur Electric Power Company Limited seeking directions that the latter be directed to resolve disputes under the Power Purchase Agreement by arbitration.
  • Sindh Engro Coal Mining Company Limited: defending a constitutional petition challenging, on environmental grounds, the establishment of a reservoir for storing groundwater extracted to enable mining in Pakistan’s largest coal mining project in Thar.
  • Syngenta Pakistan Limited, in a number of proceedings Industrial Relations Act, 2012 initiated by workers and Employees Union in the National Industrial Commission of Pakistan, which were challenged in the High Court of Sindh on constitutional grounds, and in High Court proceedings in respect of customs dispute on the classification of imported chemicals.
Mergers and acquisitions

Representative transactions:

  • Clariant AG on divesting from its listed Pakistan subsidiary certain business divisions to enable the subsidiary to be acquired by Archroma as part of a global transaction.
  • The Hub Power Company Limited on demerger of its 213MW RFO-fired combined cycle power plant in Narowal, Punjab into a wholly owned subsidiary
  • MetLife Inc. on acquisition of minority stake and subsequent divestment of American Life Insurance Company’s majority stake in its listed Pakistani subsidiary.
  • Metro Cash and Carry Pakistan Limited and Makro Habib Pakistan Limited on Court sanctioned scheme of arrangement resulting in a “PropCo/OpCo” split of the combined businesses and enabling the respective companies to subsequently entered into a long term triple net lease.
Projects, energy and capital markets

Representative transactions:

  • Four gas-fired power stations established under the New Captive Power Plant Policy having total capacity of nearly 100 MW on project financing of approximately Rs. 10b.
  • Yunus Energy Limited, a 50MW wind energy project in negotiations of finance documents and EPC and operations and management contracts.
  • Consortium of financial advisor, lead arranger and underwriter on proposed issue by the Government of Pakistan of USD 500m in bonds exchangeable with shares in the Oil and Gas Development Company Limited.
Reported judgments
  • FAL Oil Company Ltd v Pakistan State Oil Company Limited PLD 2014 Khi 427: Represented PSO in first reported judgment in which a Pakistani court enforced a foreign arbitral award under the New York Convention. Also, the first dealing with the question of whether performance bonds secured obligations under an arbitration agreement (in addition to those under the matrix contract).
  • Karachi Electric Supply Company Limited v Lotte Powergen (Pvt) Limited PLD 2014 Khi 574: Represented defendants in first reported judgment in Pakistan to address whether the generation of electricity and supply to parent company breached the exclusive rights of a distributor holding a license granted by the National Electric Power Regulatory Authority.
  • Shazeb Pharmaceutical Industries Ltd v. Federation of Pakistan 2015 PTD 1532: Represented Searle IV Solutions (Pvt.) Limited in the Sindh High Court in a suit deciding that low-density polyethylene was eligible for tax exemption on grounds that it was necessarily required for the manufacture of IV solution.
  • Golden Arrow Selected Stock Funds v. Clariant Pakistan Limited and others PLD 2016 Khi 50: Represented Clariant Pakistan Limited and Clariant AG in the first reported judgment in Pakistan on derivative actions – suits brought by minority shareholders on behalf of a company against its directors for wrongs committed against the company.
  • Karachi Development Company Limited v IM Technologies Pakistan (Pvt) Limited 2017 CLC Notes 157: Represented the respondent, a subsidiary of major Malaysian corporation, in case which settled that the Arbitration Act, 1940 had no application to foreign arbitral agreements under the New York Convention. The court held that such agreements were governed exclusively by the Recognition and Enforcement (Arbitration Agreements and Foreign Arbitral Awards) Act, 2011.
  • Spectre Consulting Limited v MT Everrich PLD 2018 Khi 136: Represented defendants in case dealing with question of whether a cargo aboard a vessel could be arrested under the Admiralty Jurisdiction of the High Court Ordinance, 1980, in the absence of a claim against the vessel or its owner. The dispute had arisen under a contract of sale of goods where the seller was also the charterer.
  • Mehmood Khan Mahar v Qamar Hussain Puri and others 2019 MLD 249: Represented respondents in case settled the principle that a party would not be entitled to condonation of delay under Limitation Act, 1908 where it had disabled itself from receiving notices from Court.
  • Vaqar Ahson v Zulfiqar Muhammad and others 2019 CLC 475: Represented appellant in case which settled, that in proceedings relating to immovable property, no interlocutory relief may be granted to the defendant in the nature of partition.

Further information

Education

London School of Economics and Political Science, LLB (Hons), 2007

Languages
  • English
  • Urdu
  • Sindhi
Memberships
  • Punjab Bar Council
  • Enrolled as an Advocate of the High Courts
Recognition and awards
What clients say

Chambers Asia-Pacific 2025

  • “Mayhar is a thorough professional and demonstrates a high degree of legal and commercial acumen.”
  • “We appreciate the commendable client service and level of sophistication demonstrated by Mayhar.”

Legal 500 2025

  • “Mayhar Mustafa Kazi is a gem of a person. Pleads the case in court very professionally & with great preparation & succeeds in convincing the judge with his strong arguments.”
  • “Mayhar Mustafa Kazi – dealing with him was and has been a fantastic experience. Having resolved an international commercial dispute to our satisfaction we are now dealing with him to sort out a domestic arbitration maturing for dispute resolution in respect of another entity.”
  • “Mayhar Kazi and his team were exceptional to work with. Always available, ready to work through complicated issues and gave concise and constructive advice.”

Chambers Asia-Pacific 2024

  • “Mayhar has an excellent ability to digest complex issues, provide constructive advice and work through alternative strategies.”
  • “I always get timely and in-depth analysis and advice from Mayhar Kazi.”

Legal 500 2024

  • “Mayhar Mustafa Kazi is a pleasure to worth with. He clearly explains the issues and makes recommendations.”

Chambers Asia Pacific 2022

  • Mayhar Mustafa Kazi handles a range of disputes, often arising out of commercial contracts and agreements, in addition to tax matters. One client states, ”Mayhar is exceptional. He is competent, committed and responsive.” Another client explains: ”Of course, he always gives us advice from a legal standpoint, but also provides us a practical way to reach a resolution.”

The Legal 500 Asia Pacific 2022

  • “RIAA Barker Gillette offered very sound advice with excellent turnaround times. We have found Pakistan a difficult jurisdiction to work with so were very pleasantly impressed with the quality and speed of service. The firm helped our client greatly in ensuring the discontinuance of Pakistani proceedings in breach of an English jurisdiction clause. We worked with Mayhar Mustafa Kazi who provided detailed insight into Pakistani civil procedure in support of anti-suit injunction proceedings in London.”

Chambers Asia Pacific 2021

  • Mayhar Mustafa Kazi moves up in the rankings after receiving praise for his “professional attitude” and the “clarity of his legal advice.” He handles a range of disputes, often arising out of commercial contracts and agreements, in addition to tax matters. A client reports: “Mayhar seems to have a great understanding of Pakistani tax laws and how the tax courts operate, and is always quick to respond to any requests.”

The Legal 500 2019

  • “Mayhar Kazi is our primary contact, and he has shown himself to be committed to supporting our business as it grows in size and reach, providing excellent multi-discipline advice” (Joy Choynowska, Chevron Pakistan Lubricants (Private) Limited)
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What clients say...

  • Chambers Asia-Pacific 2025

    "RIAA Barker Gillette has always had the most apt ability to handle, manage and steer complex and difficult matters in the right legal direction."

  • Legal 500 2025

    "We have worked with RIAA on a number of complex multi-jurisdictional matters. Throughout, they provided not only exceptional local advice but proved excellent at collaborating with firms across the world. They were instrumental in developing and implementing a comprehensive strategy."

  • Chambers Asia-Pacific 2025

    "Our operation is complex and has many nuances, and they have helped us navigate all of them promptly and professionally."

  • Legal 500 2024

    "Very professional firm, able to provide clear, concise and constructive advice. Proven very astute in formulating overall strategies of engagement."

  • Chambers Asia-Pacific 2024

    "RIAA is highly professional, meeting tight deadlines with the utmost proficiency. They have always come up with out-of-the-box solutions."

Read more