Ma. Regine B. Callueng
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(632) 8894-0377 to 79; (632) 8894-4931 to 32; (632) 8552-1977;

Regine’s practice areas include disputes (litigation and arbitration), energy, and general corporate law.

While in law school, Regine was one of the subject heads for Remedial Law – Civil Procedure of the Ateneo Central Bar Operations.  She was also a member of the Teehankee Center for the Rule of Law.  On the other hand, while in college, she was a member of the Jose Rizal Honor Society and received the Best Presenter Award for her thesis.


  • Ateneo de Manila University School of Law, Juris Doctor (Class of 2020, second honors, ranked 7th in graduating class)
  • De La Salle University, Bachelor of Arts in Political Science (Class of 2015)
  • Admitted to the Philippine Bar in 2022 (Exemplary Passer)


Regine has participated in several matters.  Her experience has included:

  • Assisting in civil and administrative cases before various Philippine courts and quasi-judicial bodies.
  • Conducting due diligence involving corporate acquisitions.
  • Assisting with the completion of various regulatory requirements.
  • Assisting in the general corporate housekeeping of various companies.


  • Member, Integrated Bar of the Philippines (2022 – Present)
  • Ateneo Law Alumni Association (2020 – Present)