Mark Xavier D. Oyales is a member of the Firm’s Special Projects, Banking, Finance and Securities, and Tax departments. He is a commercial lawyer and a tax specialist. Mark’s significant transactional work covers mergers and acquisitions, joint ventures, investments, project and corporate finance, and public-private partnership (PPP) transactions.
Mark has deep expertise in the retail and real estate sectors, being involved in various acquisitions and joint ventures in these areas. He complements his M&A and investments work with considerable financing experience, having advised both borrowers and lenders on bilateral facilities, loan syndications, aviation finance, and project financing. He also collaborates with the firm’s litigation team in various arbitration proceedings and Supreme Court cases involving PPP contracts.
He also teaches corporate law at the University of the Philippines.
Published Works
- SyCipLaw Authors Conventus Law Special Report on Renewable Energy in the Philippines June 5, 2026 | Published Works
- SyCipLaw Contributes the Philippine Chapter of Latest Chambers Project Finance Global Practice Guide November 19, 2024 | Published Works
- Chambers Global Practice Guide on Project Finance 2023: Philippines November 2, 2023 | Published Works
- SyCipLaw Contributes the Philippine Chapter of Chambers’ 2023 Global Practice Guide on Tax Controversy May 20, 2023 | Published Works
- Denial of compromise may be appealed to Court of Tax Appeal June 2, 2023 | Published Works
- SyCipLaw Contributes the Philippine Chapter of Chambers’ Global Practice Guide on Tax Controversy May 20, 2022 | Published Works
- SyCipLaw Contributes the Philippine Chapter of Chambers’ Global Practice Guide on Corporate M&A April 22, 2022 | Published Works
- Philippine Chapter to the Chambers Global Tax Controversy Guide 2021 June 12, 2021 | Published Works
- Philippines Chapter in The Tax Disputes and Litigation Review – Edition 5 May 8, 2017 | Published Works
- The Tax Disputes and Litigation Review – Edition 4 April 26, 2016 | Published Works
Bulletins
- Offshore Wind Renewable Energy: The Next Frontier for Philippine Energy? March 2, 2026 | Bulletins
News and Announcements
- SyCipLaw Maintains Top-Tier Rankings in Legal 500 Asia Pacific 2026 January 15, 2026 | News and Announcements
- SyCipLaw Hosts Cebu Seminar on Corporate, HR, and Tax Compliance, Reinforces Commitment to Business Excellence August 15, 2025 | News and Announcements
- SyCipLaw Remains Top Tier in The Legal 500 Asia Pacific 2024 Rankings January 26, 2024 | News and Announcements
- SyCipLaw Admits Three New Partners February 20, 2023 | News and Announcements
- SyCipLaw advises MPIC in sale of shares in MPLRC to Sumitomo Corporation May 29, 2020 | News and Announcements
- Canadian Bioenergy Mission to the Philippines February 6, 2018 | News and Announcements
- Maynilad Wins Arbitration Against the Republic of the Philippines under the Undertaking Letter August 14, 2017 | News and Announcements
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