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Full-service Philippine law firm.
OS Law assists clients with their Philippine legal and tax concerns: from company establishment, contracts, M&A, foreign direct investment, privacy, competition law, disputes…

Executive Order No. 127 Directs the Formulation of the Philippine Carbon Market Policy Framework, Creates an Inter-Agency Committee and Designates DENR as National Authority for Carbon Markets
November 2026
Atty. Jude Ocampo named to ABLJ’s A-List of the Philippines’ top 100 lawyers for the seventh straight year
News · October 2026
Atty. Karen Ocampo named to ABLJ’s A-List of the Philippines’ top 100 lawyers for the second straight year
News · October 2026
PCC Fines Two Companies P5.8 Million for Breaching Merger Undertaking Deadlines; One Settles the Penalty
October 2026
SEC Issues Rules on Market Making for Exchange-Traded Equity and Fixed Income Securities
October 2026
DOE Sets Show Cause, Sanction, and Endorsement Rules to Enforce the Power Generator Accountability Policy
October 2026
Supreme Court: WESM Penalties for Must-Offer Rule Violations Are Not Arbitrable; Review Is by Certiorari Before the Court of Appeals
October 2026
Supreme Court En Banc Denies FTAA Contractor's Excise Tax Refund Claims Tied to the Cost Recovery Period
October 2026
BIR Makes IEMOP a Withholding Agent: 2% Creditable Withholding Tax on WESM Spot-Market Remittances
October 2026
Invoices Must Now Show Creditable Withholding Tax as a Separate Item
October 2026AI Disputes Series II: Post-Deployment Risk in a Pre-Legislative Landscape
DFDL · October 2026Champerty on third-party funding in Philippines arbitration
ABLJ · October 2026- Address 6th, 8th and 15th floors, Liberty Center Bldg., 104 HV Dela Costa St., Salcedo Village, Makati City, Metro Manila 1227, Philippines
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