Charles A. De Mier-LeBlanc

Mr. Mayoral acts as lead counsel in a wide range of banking, securities, and insurance acquisitions, and on regulatory applications to federal and Puerto Rico banking agencies. His practice is concentrated in banking, financial, and insurance regulatory matters, as an advisor for banks and other financial institutions (including international banking entities doing business in Puerto Rico), and insurance companies and producers. He has also acted as lead counsel in a wide range of corporate t...

Lourdes C. Hernández-Venegas is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Lourdes C., who practices law in San Juan, Puerto Rico, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Lourdes C. is held by other top lawyers in the same geographic and legal practice area.

Katherine González-Valentín is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law and Litigation. Katherine, who practices law in San Juan, Puerto Rico, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Katherine is held by other top lawyers in the same geographic and legal practice area.

Her main areas of practice are tax incentives, employee benefits, corporate and individual income taxes. Prior to joining McConnell Valdés, Ms. González-Ibarría was a Legal Counsel with the Internal Revenue Area of the Puerto Rico Treasury Department. While with the Puerto Rico Treasury Department, she reviewed closing agreements and private letter rulings concerning a broad range of issues including general income taxation, withholding, corporate reorganizations and empl...

Edna E. Pérez-Román is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation. Edna E., 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 Edna E. 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...

Mr. Bengoa has developed a general practice concentrating in Puerto Rico tax incentive issues for manufacturing entities, and the negotiation of tax incentives grants and infrastructure and location incentives agreements with the Puerto Rico Industrial Development Company. Mr. Bengoa also specializes in negotiating tax incentives for companies engaged in recycling and renewable energy projects. He also emphasizes in general corporate, real estate, employee benefits and health care law practic...

Cristina Arenas-Solís is a top attorney recognized by Best Lawyers in the practice area(s) of Intellectual Property Law. Cristina, who practices law in San Juan, Puerto Rico, has been recognized since 2017. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cristina is held by other top lawyers in the same geographic and legal practice area.

Denisse Ortiz-Torres is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Denisse, 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 Denisse is held by other top lawyers in the same geographic and legal practice area.

She concentrates her practice in intellectual property and commercial litigation cases. Ms. Peñagarícano was part of the State Department Committee that drafted the new Trademarks Act of Puerto Rico and the Regulation for the Registration of Trademarks in Puerto Rico. She was the President of the Intellectual Property Committee of the PR Bar Association and, under her presidency, the Committee drafted the Right of Publicity bill, the Trade Secrets bill, and the Moral Rights bill...