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Philippine Patent, Copyright & Trademark Lawyers


Patent Executives

Isagani Reyes


Mr. Reyes received his Bachelor of Science in Electronics and Communications Engineering from the University of Santo Tomas in Manila and a Master in Business Administration from the International Academy of Management and Economics (IAME) in Makati City.

His expertise includes conducting prior art search and evaluation of patentability issues; drafting of specification and claims; preparation of patent drawings and with the patent registration process locally and internationally including processing under the Patent Cooperation Treaty (PCT).

He was a Patent Examiner from 1996 to 2008 at the Intellectual Property Office where he handled formality and substantive examination and grant of patent applications in the field of Electrical, Electronics, Telecommunications, Information-technology and Computer-related inventions. Mr. Reyes is a licensed Electronics and Communications Engineer and prior to his employment at IPO, he has worked as a Technical Engineer supervising installation and repair of various foreign brand telephone switches for a local company.

He has attended foreign and local seminar-workshops and training courses in drafting patent specifications and claims, prior art search and substantive examination techniques, specifically in the field of Telecommunications, Information Technology and Computer-related inventions, among others.

Zeus Mabanag


Mr. Mabanag is an L.L.B graduate of the University of the Visayas, Cebu City, and a registered Physical Therapist in the Philippines. He gained his paralegal experience from working as a Legal Documentation Analyst and Statistical Researcher in government and private institutions. His vocational training in Industrial Drafting and natural inclination in the mechanical and technical fields draw him to pursue a career in patent drafting. He passed the 2009 Patent Agent Qualifying Examination (PAQE).

Linuus Modequillo


Mr. Modequillo received a Bachelor of Science degree in Biology from the University of the Philippines College Cebu in 1987. He proceeded to obtain a Master's Degree in Marine Biology in 1989 from the University of San Carlos, Cebu City. His expertise is research on information technology (IT), business startup/expansion, and patents.

He is the founder of Crayonlab Inc., an IT company that specializes in web programming and media products. He is an accredited patent agent of the Intellectual Property Philippines. He is active as a committee chair in the local Chamber of Commerce.

He taught at the University of the Philippines, College Cebu and did scientific research for the Department of Science and Technology as well as for the University of the Philippines in the Visayas. He engaged in export trade ventures and production of agricultural products and was a consultant for the Department of Agriculture.

Domingo P. Zapanta


Mr. Domingo P. Zapanta was a patent examiner in the Chemical Division of the Intellectual Property Philippines (IPP) for 30 years. He is an expert in patent examination i.e., formality and substantive examinations of invention applications in the chemical field, patent search and documentation, the formality examination and registration of utility models and industrial designs and the preparation of registrability reports for utility models and industrial designs, To further hone his skills in patent examination, he traveled to Japan, Switzerland, Germany, and Sri-Lanka to attend trainings. He earned his Bachelor of Science Degree in Chemical Engineering from the Polytechnic Colleges of the Philippines and he started his career with the IPP as a security guard before rising to be one of its most trusted patent examiners. “Mang Domeng,” as he is fondly called by his former colleagues in the IPP, is an epitome of pure hard work and determination. He has joined the pool of patent agents working for the firm to serve the firm's pharmaceutical clients and other chemical-related patent owners.

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