The leading

Aviation Law Firm in LATAM,

Serving Mexico, Panama, the Dominican Republic and Ecuador

SIERRA LATAM

We believe in high quality legal advice

High quality legal advice, equivalent to such in the most sophisticated legal services markets. We want you to realize that Mexico is equipped with world-class legal advisors who are willing and able to represent your business carefully, professionally, quickly, and with an in-depth and insightful knowledge of the law.

The ability and training of our lawyers and staff is paramount. We are deeply proud to be the standard bearer of aeronautical law in Mexico.

WHAT WE DO

Areas of expertise

Our firm is proud to provide its services in various areas of specialization to companies and entities from around the world looking to resolve their legal needs and requirements in Mexico.

Corporate Law, Joint Ventures, M&A, Foreign Investment and Corporate Governance

Litigation, Arbitration
& Mediation

Other areas of expertise

Aviation Law

Aircraft finance & Leasing

Lawfare: The Usage of Law as a Weapon of War By Carlos Sierra De la Peña.

July 2023

By Carlos Sierra De la Peña.

Cape Town Registration Filings and Sphere of Application of the Convention.

July 2023

By Jessi Saba

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The Airports Council International for Latin America and the Caribbean (ACI-LAC) and the Caribbean Tourism Organization (CTO) signed a three year Memorandum of Understanding to strengthen regional air connectivity and deepen cooperation between the aviation and tourism sectors. Signed at the conclusion of the CTO Air Connectivity Summit in Bermuda, the agreement establishes a framework to improve air access, promote sustainable tourism, and enhance the competitiveness of Caribbean destinations.

The partnership includes joint research, policy development, executive education, technical training, conferences, pilot programs, and economic impact studies related to aviation and tourism. Both organizations will also work together on sustainability and resilience initiatives while encouraging greater collaboration between airports, governments, and tourism authorities to improve connectivity across the Caribbean and with international markets.

SOURCE: https://a21.com.mx/organismos/2026/02/25/firman-aci-lac-y-cto-alianza-para-fortalecer-conectividad-aerea-y-turismo-en-el-caribe/

#ACI #Turismo #ConectividadAérea #Caribe #aviación
Trump imposes new tariffs on 60 countries, expanding global trade restrictions

The new measures increase pressure on international partners and could affect businesses, exporters and global supply chains.

The Trump administration announced a new round of tariffs affecting imports from 60 countries, expanding its trade restrictions and replacing the previous temporary tariff framework. The new duties will impact various imported products and increase uncertainty for companies involved in international commerce.

The decision has raised concerns among governments and businesses as they evaluate the possible effects on prices, supply chains and future trade relationships. The measure represents another escalation in the United States’ approach to global trade policy.

SOURCE
https://www.elfinanciero.com.mx/mundo/2026/07/24/trump-impone-nuevos-aranceles-a-60-paises-que-productos-seran-golpeados-por-las-tarifas-de-eu/

#Aranceles #EstadosUnidos #ComercioInternacional #Economía #trump
The United States is conducting separate trade negotiations with Mexico and Canada instead of a joint trilateral process, putting the future structure of the USMCA under pressure. While talks with Mexico have advanced through formal meetings and policy commitments, discussions with Canada have progressed more slowly, raising concerns that bilateral agreements could weaken the original three-country framework.

Despite the separate negotiations, officials from all three nations have reiterated their intention to preserve the North American trade agreement. However, the coming weeks will be critical as Canada seeks to accelerate talks before new U.S. tariffs are scheduled to take effect and negotiators work toward interim arrangements before the end of the year.

SOURCE

https://forbes.com.mx/negociaciones-separadas-entre-eu-canada-y-mexico-ponen-a-prueba-su-pacto-comercial/

#TMEC #ComercioInternacional #México #EstadosUnidos #canada
Mexico is strengthening its national strategy to develop Sustainable Aviation Fuels (SAF) through collaboration between government agencies and the aviation industry. The initiative aims to accelerate the adoption of sustainable jet fuel, reduce carbon emissions, and prepare the country for cleaner air transportation.

The strategy includes technical working groups focused on regulation, certification, financing, production, and infrastructure, while pilot projects are laying the groundwork for integrating SAF into Mexico’s airport fuel supply chain and future commercial operations.

SOURCE
https://a21.com.mx/innovacion/2026/05/04/se-consolida-la-estrategia-nacional-para-el-desarrollo-de-combustibles-sostenibles-de-aviacion-en-mexico/

#Aviación #CombustiblesSostenibles #SAF #México #Sostenibilidad
A new proposal introduced in Mexico’s lower house seeks to prevent airlines from automatically canceling return or connecting flights when a passenger misses the first leg of a booked itinerary. The initiative would require carriers to honor all paid flight segments unless the traveler explicitly states they will not use the remaining portions of the ticket.

Supporters argue the change would strengthen consumer protections by eliminating the current requirement for passengers to notify airlines within 24 hours if they still intend to use the rest of their itinerary after missing an initial flight. The reform aims to reduce unexpected costs and provide greater certainty for travelers.

SOURCE:
https://www.eluniversal.com.mx/nacion/ruben-moreira-presenta-iniciativa-para-que-aerolineas-respeten-vuelos-contratados-busca-evitar-cancelaciones-automaticas/

#Aerolíneas #Vuelos #Consumidores #México #transporteaéreo
Crude oil prices climbed sharply, sending airline stocks lower as investors reacted to the prospect of higher fuel costs. Shares of both U.S. and Mexican airlines declined, reflecting concerns that rising energy prices could weigh on profitability if the upward trend continues.

The market reaction underscores the aviation sector's sensitivity to fuel price fluctuations, as jet fuel remains one of the industry's largest operating expenses. Analysts are closely watching energy markets to determine whether elevated crude prices will continue to pressure transportation and travel-related companies.

SOURCE: https://www.eleconomista.com.mx/mercados/alza-crudo-impacta-acciones-aerolineas-20260708-822361.html

#OilPrices #Airlines #Aviation #StockMarket #energy
The European Parliament has approved the Modernized Global Agreement between Mexico and the European Union, marking a major step toward strengthening political, economic, and trade relations between both partners. The agreement received 479 votes in favor and now moves to the next stage, where it will be submitted to the Mexican Senate for ratification before it can fully enter into force.

The updated framework expands market access, removes tariffs on nearly all traded goods, promotes investment, and strengthens cooperation in areas such as security, climate change, and innovation. It is also expected to help Mexico diversify its trade relationships beyond North America.

SOURCE: https://www.jornada.com.mx/noticia/2026/07/08/politica/parlamento-europeo-aprobo-el-acuerdo-global-modernizado-entre-mexico-y-la-ue

#México #UniónEuropea #Comercio #Economía #acuerdoglobal
The Mexican Supreme Court, Suprema Corte de Justicia de la Nación (SCJN), ruled that judges must conduct a stronger review of potentially abusive interest rates in bank loans, including mortgage backed and commercial loans. The decision came after two cases in which a bank sought repayment of debts that included ordinary and default interest charges that borrowers argued were excessive. Rather than automatically accepting the agreed rates, courts must now analyze whether those charges could constitute usury and, if necessary, reduce them.

The ruling does not cancel debts, forgive mortgages, or automatically lower interest rates across Mexico. Instead, it establishes a constitutional standard requiring courts to examine whether interest charges are disproportionate, even in cases involving businesses and not only individual consumers. The affected cases will return to lower courts for a new review under these guidelines. The SCJN reaffirmed that bank rates initially carry a presumption of legality, but judges have a duty to intervene when there are indications of usury.

SOURCE: https://www.elimparcial.com/mexico/2026/06/29/la-scjn-fallo-en-contra-de-los-bancos-y-sus-intereses-desproporcionados-en-creditos-hipotecarios/ #SCJN #CréditosHipotecarios #Bancos #Finanzas #México

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