The Oil & Gas Observer acts as portal site for the global Oil & Gas industry and Legal publications published by MARIS.

Oil, Gas and Energy Law (OGEL)

Oil, Gas and Energy Law (OGEL, ISSN 1875-418X, is a comprehensive and innovative information service with a focus on oil-gas-energy law, regulation, treaties, judicial and arbitral cases, voluntary guidelines, tax and contracting, including the oil-gas-energy geopolitics. OGEL has become the principal 'Global Energy Law/Regulation Portal'.


The OGELFORUM is a place for discussion, sharing of insights and intelligence, of relevant issues related in a significant way to oil, gas and energy issues: Policy, legislation, contracting, security strategy, climate change related to energy.

Transnational Dispute Management (TDM)

Transnational Dispute Management (TDM, ISSN 1875-4120, is a comprehensive and innovative information service on the management of international disputes, with a focus on the new and rapidly evolving area of investment arbitration, but also in other significant areas of international investment (such as oil, gas, energy, infrastructure, mining, utilities etc). It deals both with formal adjudicatory procedures (mainly investment and commercial arbitration), but also mediation/ADR methods, negotiation and managerial ways to manage transnational disputes efficiently.


The highly praised OGEMID discussion forum brings together most of the world's experienced professionals in the field of international dispute management, mainly arbitration, mediation, negotiation, with a particular emphasis on investment disputes.