Fidel Osorio

José L. Maymí-González is an associate in the San Juan, Puerto Rico, office of Jackson Lewis P.C. His practice focuses on representing employers in workplace law matters, including preventive advice and counseling. José advises clients on matters such as employment contracts and policy drafting, the administration of statutory leaves, and termination litigation. He represents clients in federal, state, and administrative forums, including the EEOC and its local cou...

Eugenio J. Torres-Oyola is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Eugenio J., who practices law in San Juan, Puerto Rico, has been recognized since 2014. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eugenio J. is held by other top lawyers in the same geographic and legal practice area.

Mr. Muñiz represents clients in all phases of tax controversy and litigation matters, from tax audits and examinations through administrative appeals and court proceedings. He actively participates in multiple tax litigations representing clients on wide arrays of tax challenges, including: municipal license tax, income tax, personal property tax and construction excise tax deficiency procedures. He also has extensive experience representing taxpayers during the real property tax asses...

Mrs. Cartagena maintains a broad litigation and counseling practice representing corporate entities in a wide variety of business disputes. She has significant experience in complex litigation, including consumers’ class actions, insurance litigation, contractual disputes, tax deficiency proceedings and general tort litigation in both state and federal courts. She also has significant experience in administrative forums before multiple agencies and on bids and procurement consulting and...

Emanuel Álvarez Pérez is an associate in the San Juan, Puerto Rico, office of Jackson Lewis P.C., where he focuses on representing employers in workplace law matters. His practice encompasses preventive advice, counseling, and litigation defense in discrimination, harassment, corporate investigations, company reorganizations, leaves, accommodations, and employee misconduct. Emanuel also advises on compliance with local employment regulations, including drafting policies, handboo...

Gilberto Gutiérrez-Teissonniere is a top attorney recognized by Best Lawyers in the practice area(s) of Land Use and Zoning Law and Real Estate Law. Gilberto, who practices law in San Juan, Puerto Rico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gilberto is held by other top lawyers in the same geographic and legal practice area.

Eddalee Quiñones is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Eddalee, who practices law in San Juan, Puerto Rico, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eddalee is held by other top lawyers in the same geographic and legal practice area.

Mr. Fernández-Lugo Chairs McConnell Valdés' Environmental, Energy & Land Use Practice Group. He represents clients before local and federal agencies with jurisdiction over environmental, energy and land use matters, such as the U.S. Environmental Protection Agency, the U.S. Army Corps of Engineers, the Environmental Quality Board, the Department of Natural and Environmental Resources, the Solid Waste Management Authority, the Puerto Rico Electric Power Authority, the State E...

Juan Carlos Bou-Cardona is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and M&A Law. Juan Carlos, who practices law in San Juan, Puerto Rico, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Juan Carlos is held by other top lawyers in the same geographic and legal practice area.

Mr. Marqués-Díaz chairs McConnell Valdés' Litigation Practice Group. His practice includes general civil and commercial litigation before the Puerto Rico and federal courts, concentrating in local appellate practice, constitutional, tax, consumer class action, administrative, insurance - including healthcare insurance litigation - and land use litigation. Mr. Marqués-Díaz has a solid constitutional law practice. He has argued many cases involving constitutio...