Catherine E. Mangahas

  • Joined the Firm in November 2000. Atty. Mangahas has experience in complex labor and commercial litigation matters. She also handles corporate matters and usually deals with various government agencies on wide variety of matters.


  • 1992 Bachelor of Arts, major in Political Science graduate from the University of Santo Tomas, España, Manila
  • 1997 law graduate from San Beda College of  Law, Mendiola, Manila

Professional Activities (or work experiences):

  • Court of Appeals

Affiliations/Memberships and Awards:

  • Asian Patent Attorneys Association.
  • Integrated Bar of the Philippines
  • Maritime Law Association of the Philippines
  • Philippine Bar Association

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Catherine E. Mangahas
63 928 5511102
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Firm News

Del Rosario & Del Rosario Partner Joseph Rebano was re-elected as Director of the Philippine Bar Association for the year 2017-2018. 

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Arturo T. Del Rosario Jr. elected IPAP President for 2015 - 2017

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Del Rosario Partner Saben Loyola was a speaker at the Propeller Club of Manila last 26 July 2017.

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Del Rosario Pandiphil medical consultant, Dr. Edgardo Del Rosario, through the Japan P&I Club, is a contributor to the Mariner’s Digest of the Japan Shipping Exchange, Inc. 


DelRosarioLaw Partner Florencio Aquino and Senior Associate Aldrich Del Rosario conducted a seminar for V.Ships Crew/Pacific Ocean Manning, Inc. last 12 May 2017. 



Holiday Notice: 

In view of national holidays in the Philippines, our offices will be closed on Monday 21 August, to re-open on Tuesday 22 August 2017; will be closed on Monday 28 August, to re-open on Tuesday 29 August 2017.

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