Mr. de Leon advises clients on all aspects of intellectual property, from registration to enforcement of intellectual property rights. He assists various local and foreign clients in prosecuting trademark applications, maintaining trademark portfolios, conducting intellectual property due diligence, and filing/prosecuting enforcement actions before administrative tribunals and regular courts.
He has handled significant transactions where he:
- assisted a famous U.S. fast food restaurant chain before the Supreme Court in successfully prosecuting an infringement/unfair competition case against a local company, as well as a trademark opposition case against another local fast entity seeking to register a confusingly similar mark
- assisted a European footwear company in protecting its trademark in the country by successfully prosecuting a cancellation case against a local company that was able to register the former’s trademark
- assisted a Japanese footwear company in securing a conviction against a seller of counterfeit goods
Mr. de Leon co-authored the article, “Survey Evidence in Trademark Cases : Admissibility and Weight” , which was published in the Integrated Bar of the Philippines Law Journal in 2001.
Mr. de Leon serves as one of the Firm’s representatives to the Association Internationale pour la Protection de la Propriete Intellectuelle (AIPPI). He has likewise represented the Firm at the Asian Patent Attorneys Association (APAA) and the International Trademark Association (INTA). He is a member of the Intellectual Property Association of the Philippines (IPAP) and is presently a director and treasurer of the Licensing Executives Society Philippines (LESP).
He was admitted to the Philippine Bar in 1999 and is a member of the Quezon City Chapter of the Integrated Bar of the Philippines.