Philippine National Bank vs. Cedo

A lawyer is prohibited from accepting engagement in connection with any matter in which he had intervened while in government service, and the mere existence of a prior attorney-client or employment relationship creates a conflict of interest that precludes subsequent representation of an adverse party, regardless of whether confidential information is actually used.

Respondent Atty. Telesforo S. Cedo was formerly employed as Assistant Vice-President of the Asset Management Group of complainant Philippine National Bank (PNB). After leaving PNB's employ, he appeared as counsel for individuals and entities in legal disputes against the bank. The administrative complaint alleged that these appearances involved matters in which respondent had participated while still working for PNB, thereby violating the rule against representing conflicting interests.

• The Ong Siy Transaction: While employed at PNB, respondent participated in arranging the sale of steel sheets (Lots 54-M and 55-M) to Milagros Ong Siy for P200,000. He "noted" the gate passes issued by his subordinate, Emmanuel Elefan, authorizing Ong Siy to pull out the steel sheets. A civil case later arose between Ong Siy and PNB over this transaction before the RTC of Makati. After leaving PNB, respondent appeared as one of Ong Siy's counsels, albeit claiming his involvement was limited to the execution pending appeal.
• The Almeda Loan Account: As PNB's Assistant Vice-President, respondent intervened in handling the loan account of Spouses Ponciano and Eufemia Almeda by writing demand letters to them. A civil case ensued between PNB and the Almeda Spouses. The law firm "Cedo, Ferrer, Maynigo & Associates," of which respondent was a senior partner, entered its appearance as counsel for the Almeda Spouses.
• Respondent's Defense: Respondent claimed his appearance for Ong Siy was limited. Regarding the Almeda case, he argued the law firm was not a true partnership but merely a shared office arrangement where lawyers handled cases independently. The IBP found this claim contradicted by evidence that respondent attended hearings with his partner and implicitly admitted the partnership.
• Prior Sanction: The IBP discovered that respondent had previously been fined P1,000 by the Supreme Court in G.R. No. 94456 (Milagros Ong Siy vs. Hon. Salvador Tensuan, et al.) for forum shopping, where he appeared for Ong Siy "through the law firm of Cedo Ferrer Maynigo and Associates."

• Violation of Canon 6, Rule 6.03: PNB argued that respondent violated the rule prohibiting a lawyer, after leaving government service, from accepting employment in any matter in which he had intervened while in said service, by appearing against PNB in cases involving transactions he handled as an employee.
• Appearance of Impropriety: PNB contended that respondent's actions created an appearance of treachery and double-dealing against his former employer, undermining public confidence in the legal profession.

• Limited Scope of Appearance: Respondent countered that his appearance for Ong Siy was confined to the execution pending appeal and did not extend to the litigation of the main case.
• No True Partnership: Respondent maintained that "Cedo, Ferrer, Maynigo & Associates" was not a legal partnership but a mere office-sharing arrangement, and that he did not personally handle the Almeda case, which was managed solely by Atty. Pedro Ferrer.

• Conflict of Interest: Whether respondent's appearance as counsel for parties adverse to his former employer, PNB, in matters he handled while employed there, constitutes a violation of the rule against representing conflicting interests.
• Nature of Law Firm: Whether respondent's claim that his law firm was a non-partnership office-sharing arrangement absolves him of responsibility for the firm's appearance in the Almeda case.

• Conflict of Interest: The suspension was warranted because respondent's interventions in the Ong Siy sale and Almeda loan account while at PNB, followed by his subsequent representation of those clients against PNB, created a clear conflict of interest. The rule is designed to prevent the dishonest practitioner from fraudulent conduct and to protect the honest lawyer from unfounded suspicion. The bare existence of the prior relationship is sufficient to create incompatibility.
• Nature of Law Firm: The claim that the firm was not a partnership was rejected. Evidence showed respondent attended hearings with his partner and the firm's name was used, creating at minimum an appearance of a partnership. Furthermore, even if the office-sharing claim were true, it would itself violate Rule 15.02 of the Code of Professional Responsibility by exposing client secrets to other lawyers and staff.

• Prohibition on Representing Conflicting Interests After Government Service — Canon 6, Rule 6.03 of the Code of Professional Responsibility prohibits a lawyer, after leaving government service, from accepting engagement in connection with any matter in which he had intervened while in said service. The Court emphasized that the "bare relationship" of attorney and client (or employer-employee in a quasi-professional capacity) is the yardstick for testing incompatibility of interests, irrespective of whether confidential information was actually misused.
• The "Caesar's Wife" Standard for Lawyers — Lawyers must not only keep inviolate a client's confidence but must also avoid the appearance of treachery and double-dealing. This principle of public policy is intended to encourage litigants to entrust their secrets to their attorneys, which is paramount in the administration of justice.

• "It behooves attorney, like Caesar's wife, not only to keep inviolate the client's confidence, but also to avoid the appearance of treachery and double dealing. Only thus can litigants be encouraged to entrust their secrets to their attorneys which is of paramount importance in the administration of justice." — Cited from Hilado vs. David and applied to underscore the strict ethical standard required.
• "The question is not necessarily one of the rights of the parties, but as to whether the attorney has adhered to proper professional standard." — From Hilado vs. David, highlighting that the ethical breach exists independently of actual prejudice to the former client.

• Pasay Law and Conscience Union, Inc. vs. Paz, 95 SCRA 24 (1980) — Followed. This case involved a former legal officer who later acted as counsel for a party he had previously investigated. The Court therein applied the strict rule against conflicting interests.
• Nombrado vs. Hernandez, 26 SCRA 13 (1968) — Followed. Cited for the principle that a prior attorney-client relationship precludes subsequent representation of the opposing side, even without proof of misuse of confidential information.
• Hilado vs. David, 84 Phil. 571 — Followed. Provided the foundational rationale for the strict rule, emphasizing that the complexity of attorney-client communications makes inquiry into actual misuse impractical and that the relationship itself creates a bar.

• Canon 6, Rule 6.03, Code of Professional Responsibility — The specific rule violated. It states: "A lawyer shall not, after leaving government service, accept engagement or employment in connection with any matter in which he had intervened while in said service."
• Canon 6, Canons of Professional Ethics — The older canon cited by the Court, which defines representing conflicting interests as contending for one client what duty to another requires the lawyer to oppose.

Chief Justice Andres R. Narvasa, Justices Florentino P. Feliciano, Teodoro R. Padilla, Alfredo L. Regalado, Davide Jr., Jr., Romero, Bellosillo, Melo, Quiason, Puno, Vitug, Kapunan, Mendoza, and Francisco.