Title
Quiambao vs. Bamba
Case
A.C. No. 6708
Decision Date
Aug 25, 2005
Atty. Bamba represented conflicting interests by filing a replevin case against a client he still represented in an ejectment case, while aiding in forming competing security agencies, violating professional ethics and loyalty. Suspended for one year.

Case Summary (A.C. No. 6708)

Engagement in Competing Security Agencies and Acts of Double-dealing

Beyond the litigation, Quiambao accused Bamba of inducing her to establish her own security firm, Quiambao Risk Management Specialists, Inc. (QRMSI), in which he allegedly acted as a silent partner via nominee Atty. Gerardo Hernandez. She further charged that Bamba facilitated her brother’s organization of San Esteban Security Services, Inc. (SESSI), diverted AIB funds to capitalize SESSI, and plotted to transfer AIB’s business to the new entities—all while continuing as AIB counsel.

Respondent’s Defense and Denials

Bamba acknowledged representing both parties but denied a personal lawyer-client relationship with Quiambao beyond his engagement by AIB. He contended the two cases were unrelated, no confidential information could be misused, and any consent to dual representation was implied. He also denied any silent partnership in QRMSI, explaining that his former partner Hernandez filled that role; and he maintained that SESSI complemented rather than competed with AIB, with only minimal shareholding on his part and operational management by Quiambao’s relatives.

Findings of the IBP Investigating Commissioner and Board

The IBP investigating commissioner found Bamba guilty of representing conflicting interests based on undisputed facts: simultaneous representation in the ejectment and replevin cases, and involvement in organizing QRMSI and SESSI while counsel for AIB. He recommended a one‐year suspension. The IBP Board of Governors adopted the findings but arbitrarily reduced the penalty to a stern reprimand without explaining its legal basis, in violation of Rule 139-B, Section 12(a) of the Rules of Court.

Supreme Court’s Legal Analysis on Conflict of Interest

Under Rule 15.03, Canon 15, a lawyer may not represent conflicting interests “except by written consent of all concerned given after a full disclosure of the facts.” Conflict arises not only when a lawyer must argue one side against another client but also when dual retainers impede undivided loyalty or invite suspicion of double-dealing. The Court rejected Bamba’s unrelated-cases argument, noting that simultaneous representation of opposing clients, however unconnected, breaches the duty of undivided fidelity. Bamba failed to obtain written consent from either Quiambao or AIB after full disclosure.

Violation of the Private Security Agency Law and Professional Duty

By organizing SESSI and facilitating its capitalization with AIB resources and participation of Quiambao’s brother and spouse, Bamba enabled a contravention of RA 5487, which prohibits interest in more than one security agency. His conduct violated Rule 1.02, Canon 1 of the Code of Professiona

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