Membership Profile

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Associate Member

Siguion-Reyna Montecillo & Ongsiako

Siguion-Reyna Montecillo & Ongsiako

The firm is one of the oldest in the Philippines, tracing its roots to the practice of Mr. Charles Cohn in 1901. In 1903, Mr. Cohn and Mr. Hausserman, formerly of the US Judge Advocate General's Office were appointed representatives of the Philippine Branch but Mr. Hausserman and Mr. Cohn continued their practice. They later merged with the law firm of Ortigas and Fisher. The firm's name has since evolved reflecting the joinders and departures of partners. In 1936, Don Alfonso Ponce Enrile, one of the most noted trial lawyers of his time, became the Filipino partner. Attys. Sigiuon Reyna and Montecillo became the general partner. As the firm closely approaches its centennial, it takes pride in having modestly served the nation through its contribution to the development of Philippine law and jurisprudence, and in having served as a training ground for leaders- jurists, legislators, cabinet, secretaries, and founders of new law firms. Today, the firm is composed of forty-three lawyers educated in the best schools in the Philippines and abroad, a full service firm , our practice areas cover a wide range of legal problems and issues. Our clients come not only from different parts of the Philippines, but also from all over the world. Many clients have been with us since the early part of this century. Our office is located at the heart of the Makati Central Business District, the financial center of the Philippines.

  • Member since: 1978
  • Nationality: Filipino

The firm is one of the oldest in the Philippines, tracing its roots to the practice of Mr. Charles Cohn in 1901. In 1903, Mr. Cohn and Mr. Hausserman, formerly of the US Judge Advocate General's Office were appointed representatives of the Philippine Branch but Mr. Hausserman and Mr. Cohn continued their practice. They later merged with the law firm of Ortigas and Fisher. The firm's name has since evolved reflecting the joinders and departures of partners. In 1936, Don Alfonso Ponce Enrile, one of the most noted trial lawyers of his time, became the Filipino partner. Attys. Sigiuon Reyna and Montecillo became the general partner. As the firm closely approaches its centennial, it takes pride in having modestly served the nation through its contribution to the development of Philippine law and jurisprudence, and in having served as a training ground for leaders- jurists, legislators, cabinet, secretaries, and founders of new law firms. Today, the firm is composed of forty-three lawyers educated in the best schools in the Philippines and abroad, a full service firm , our practice areas cover a wide range of legal problems and issues. Our clients come not only from different parts of the Philippines, but also from all over the world. Many clients have been with us since the early part of this century. Our office is located at the heart of the Makati Central Business District, the financial center of the Philippines.

The firm is one of the oldest in the Philippines, tracing its roots to the practice of Mr. Charles Cohn in 1901. In 1903, Mr. Cohn and Mr. Hausserman, formerly of the US Judge Advocate General's Office were appointed representatives of the Philippine Branch but Mr. Hausserman and Mr. Cohn continued their practice. They later merged with the law firm of Ortigas and Fisher. The firm's name has since evolved reflecting the joinders and departures of partners. In 1936, Don Alfonso Ponce Enrile, one of the most noted trial lawyers of his time, became the Filipino partner. Attys. Sigiuon Reyna and Montecillo became the general partner. As the firm closely approaches its centennial, it takes pride in having modestly served the nation through its contribution to the development of Philippine law and jurisprudence, and in having served as a training ground for leaders- jurists, legislators, cabinet, secretaries, and founders of new law firms. Today, the firm is composed of forty-three lawyers educated in the best schools in the Philippines and abroad, a full service firm , our practice areas cover a wide range of legal problems and issues. Our clients come not only from different parts of the Philippines, but also from all over the world. Many clients have been with us since the early part of this century. Our office is located at the heart of the Makati Central Business District, the financial center of the Philippines.

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