Quasha Ancheta Pena & Nolasco is one of the oldest law firms in the Philippines. It was originally founded in 1946 by the late William H. Quasha, an American, as William H. Quasha and Associates.

The firm's practice areas are: Corporate, Taxation, Commercial Transactions, Investments, Insurance, Banking and Financial Services, Family Law, Contracts, Intellectual Property, Labor and Employment, Immigration, Natural Resources, Litigation and Appellate.

The firm is associated with Zobella & Co. on Trademark and Patent registration and maintenance. The firm's attorneys are members of the Integrated Bar of the Phillipines.

LAW FIRM ALLIANCES AND ASSOCIATIONS: INTERLAW:
An International Association of Independent Law Firms.