The integration of foreign-trained lawyers into the United States legal system presents a complex intersection of ethics, regulation, and credential recognition. Despite increasing globalization and cross-border legal practice, significant disparities persist in how states evaluate foreign legal education, bar eligibility, and ethical competence. This paper develops a conceptual framework for ethical practice and credential recognition of foreign-trained lawyers in the United States, proposing a structured model that harmonizes professional standards, equity, and competency validation. The framework builds on three interdependent pillars ethical equivalency, competency mapping, and credential transparency anchored in comparative legal education theory and professional ethics jurisprudence. The first pillar, ethical equivalency, emphasizes aligning foreign legal ethics training with the American Bar Association (ABA) Model Rules of Professional Conduct, focusing on client confidentiality, conflict of interest, and duty of candor. The second pillar, competency mapping, outlines a standardized process for assessing substantive and procedural knowledge through modular credential evaluation and targeted bridging programs in U.S. legal reasoning, constitutional principles, and advocacy. The third pillar, credential transparency, advocates a unified national registry and digital verification mechanism for foreign qualifications, reducing administrative fragmentation and enhancing public trust in transnational legal credentials. The framework also addresses systemic inequities that disadvantage foreign-trained lawyers such as inconsistent state bar admission criteria, limited access to supervised practice, and implicit bias in credential evaluation by recommending coordinated federal-state oversight, accredited integration programs, and ethical mentorship pathways. It further integrates global best practices from Canada, the U.K., and the European Union, where recognition mechanisms balance regulatory integrity with professional mobility. By operationalizing ethical parity and credential clarity, the proposed framework aims to support competent, accountable, and culturally responsive participation of foreign-trained lawyers within U.S. legal institutions. It holds managerial and policy relevance for bar associations, law schools, accreditation bodies, and international legal practitioners. Ultimately, the framework contributes to the discourse on fairness, diversity, and globalization in legal ethics by proposing a scalable model that safeguards both professional standards and access to justice in a transnational legal environment.