Daniel Biro Guerresi

León Efrén Jiménez is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. León Efrén, who practices law in Mexico City, Mexico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which León Efrén is held by other top lawyers in the same geographic and legal practice area.

She joined Sánchez Devanny in 2016 as part of Labor, Social Security and Immigration. Before joining Sanchez Devanny, she worked as an attorney in the legal department of a major national law firm, providing services for the labor practice group for six years. She also has extensive experience in advising clients on national and international labor and social security issues. She has assisted clients in complex litigation work in both individual and collective aspects, as well as negot...

Senior Associate at Uhthoff, Gomez Vega & Uhthoff, S.C. in Mexico, she joined to the firm in 2000, with over 23 years of experience in patent matter, her practice areas are in Chemistry, Pharmacy, and Biotechnology, as well as in the handling of Industrial Designs. She has acted as an expert in different litigation cases related to Life Sciences.

PRACTICE AREAS Foreign trade, customs and regulatory law. ASSOCIATIONS AND PUBLICATIONS Institute of Foreign Trade Executives (IMECE); President. Mexican Bar Association (BMA). Committee of the regulatory matters for customs and foreign trade issues. Committee of Tariff Classification. Inter-Ministerial Commission on the Automotive Industry (CIIA). Editor of the book “Expert in foreign trade and customs”, as well as author of the chapters “Actions following customs clearance...

With just over 15 years of experience in Intellectual Property, she collaborated with the firm's Trademark team for 14 years, advising clients on strategies, prosecution and litigation in Mexico and around the world. Currently, she has joined the firm's Patent team, following up on administrative issues related to clients in Mexico and abroad and is in charge of the firm's Data Privacy Area, assisting clients in Mexico and abroad, in the control and management of personal data owned by third ...

With more than 30 years of experience Luis is the head of the M&A and Corporate practice group and co-founder partner of the firm. His practice focuses on Private Equity, Venture Capital and Public, Foreign Investment, Mergers & Acquisitions, and Corporate matters, with emphasis on Real Estate transactions, being a pioneer in Private Equity and Venture Capital, representing capital funds in transactional matters. He is currently a Board Member of the LPD Council of the International B...

Mario Mejía Kargl joined Mejía Guízar y Kargl in 2009 (where he is currently a partner), having previously worked at Basham, Ringe y Correa and Hamdan, Manzanero y Asociados. His experience of more than 24 years has always been in administrative law with high specialization in public sector procurement and health law. His professional practice includes intervention in the main public procurement procedures in the country in various sectors (health -medicines and devices-,...

Alejandra Badillo is an associate attorney at Sánchez Devanny working in the Intellectual Property Practice of the firm. She has over 15 years of experience in the field of trademarks, copyrights, and related litigation, providing a wide range of services including specialized legal consultancy, comprehensive client advice on intellectual property issues, management of trademark and copyright registrations, processing of declarations for recognized or notorious trademarks, development ...

Martha has more than 15 years of experience in Intellectual Property, she is expert on trademark prosecution and litigation across all areas of IP, mainly trademark and unfair competition. She is a great strategist focused on detail and with deep knowledge. Her experience and knowledge allow her to design legal protection strategies with a multidisciplinary approach, and to provide specialized consulting on the protection and defense of the Intellectual Property rights, providing comprehensiv...

Eduardo co-heads the firm’s International Trade and Customs group, He has more than 15 years of experience advising domestic and international companies in many different industries in their international trade and customs operations, including automotive, textiles, retail, chemical, electronics, medical devices, petrochemical, luxury goods, pharmaceutical, software, cosmetics, aerospace, maquiladoras (IMMEX) and trading companies, among others. Eduardo has advised multiple IMMEX compan...