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Haynes and Boone, LLP

Mark Johnson

Mark Johnson



  • Shipping
  • Ship Construction and Conversion
  • Ship Sale and Purchase
  • Finance

WSG Practice Industries


WSG Leadership

Shipping Group
Mark Johnson has more than 25 years of experience in the maritime and legal fields, including time as a captain of a ship.

Mark advises a wide range of clients operating across the maritime sector, including oil majors, shipowners, managers, banks, lessors, private equity and shipbuilders.

Mark focuses on transactional legal work advising on and negotiating contracts for offshore projects and the construction, conversion, sale and purchase, financing, management, operation and ownership of all types of vessels, including FPSOs, rigs and yachts.

Experience includes:

Acting for the buyer in distressed ship sale and purchase (US$200 million plus) of a deep water pipelayer and construction vessel and associated remotely operated vehicles (including coordination of cross jurisdictional and bankruptcy risk matters).
Acting for an offshore drilling unit owner/operator in relation to the sale and recycling arrangements for its rigs.
Acting for an oil major in the disposal of its entire tanker fleet.
Acting for the buyer in the distressed sale and purchase (US$ 400 million plus) of a semi-submersible drilling rig from shipbuilder.
Acting for the vessel owner/operator in relation to provision of coal transhipment services to power stations in various jurisdictions (including associated shipbuilding and conversion contracts, financing and leasing arrangements).
Drafting pro-forma ship sale and purchase agreements for one of world’s largest shipowners.
Acting for a commodities house in relation to numerous (new build and second-hand) ship sale and lease back transactions.
Advising a financier in relation to FPSO construction project.
Advising the owner/operator on various FPSO construction, conversion and charter matters.
Advising a ship owner in relation Yamal ice-class LNGC project (including shipbuilding, chartering and sale and purchase contracts).
Acting for a shipbuilder in respect of negotiation of a bespoke ocean mining vessel.
Acting for a government borrower in relation to export credit financing of various shipbuilding contracts.
Acting for the owner in the negotiation of refit arrangements for a superyacht.
Acting for a shipbuilder in the preparation of a pro-forma superyacht construction contract.
Represented a private client in the negotiations of the purchase (US$200 million plus) and later sale of one of the world’s largest superyachts.
Mark also assists clients, has had articles published and has spoken at events on a diverse range of maritime related matters from Maritime Autonomous Surface Ships (MASS) to heightened political tensions in the Middle East.

Bar Admissions

England and Wales, 2010


LL.B., College of Law, 2008
Graduate Diploma in Law, College of Law, 2007
BSc, Royal Holloway, University of London, 1998
Areas of Practice

Energy Power and Natural Resources | Europe, Middle East and Africa | Finance | International | Liquefied Natural Gas (LNG) | Offshore Oil and Gas | Offshore Oil and Gas Exploration and Production | Ship Construction and Conversion | Ship Sale and Purchase | Shipping


With the Benefit Comes the Burden: Does the Duty of Care owed by a Shipowner extend to the Vessel's Demolition even after Sale?
Haynes and Boone, LLP, July 2020

The High Court has left the door open for a negligence claim to be pursued against a UK company on behalf of a shipyard worker who fell to his death dismantling an oil tanker at a Bangladeshi yard.1 The vessel had been sold to a buyer on terms requiring it to be scrapped in an environmentally sound manner and in accordance with good health and safety practices...

English Law COVID-19 Q&A Series - Ship Refit and Repair Contracts
Haynes and Boone, LLP, April 2020

Does the Covid-19 pandemic (or actions taken to counter the spread of Covid-19) constitute a Force Majeure in a refit/ repair contract? Is there any implied right of relief for the contractor or the owner? Under English law, unlike civil law systems, a force majeure is neither defined nor automatically applicable to commercial contracts...

English Law COVID-19 Q&A Series: Shipbuilding Contracts
Haynes and Boone, LLP, April 2020

Under English law, unlike civil law systems, a force majeure is neither defined nor automatically applicable to commercial contracts...

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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