Mr. Vinluan is an active and prominent litigation lawyer who has been involved in several famous and landmark cases in the Philippines, such as:
- Saniwares Manufacturing Corp. v. Aurbach, et. al., where Mr. Vinluan successfully handled trial in the Securities and Exchange Commission and the appeal in the Court of Appeals and Supreme Court as counsel for Sanitary Wares Manufacturing Corporation and its Filipino stockholders;
- People v. Teehankee, where Mr. Vinluan acted as private prosecutor in the conviction of Claudio Teehankee, Jr. for multiple murder and frustrated murder. Such conviction was affirmed by the Supreme Court;
- People v. Manalili, et. al., where Mr. Vinluan, in collaboration with Atty. Antonio M. Llorente, prosecuted this case as private prosecutor against the murderers of Cochise Bernabe and Beebom Castanos to a successful conclusion. The conviction of the accused for murder was affirmed by the Supreme Court;
People v. Bryan Dy & Giovanni Bernardino, where Mr. Vinluan acted as private prosecutor for the American student who was raped in Baguio by the son of Governor Dy and his brother-in-law. The conviction of the two accused for rape was affirmed by the Supreme Court;
- People v. Luis Beltran, Maximo Soliven, et.al, the criminal case for libel filed by President Cory Aquino, where Mr. Vinluan acted as defense counsel for Maximo Soliven and the other officers of the Philippine Star. On appeal to the Court of Appeals from a judgment of conviction by the lower court, the Court of Appeals acquitted Luis Beltran and Maximo Soliven; and,
- Wenceslao v. Art Borjal and Maximo Soliven, a civil action for damages for an alleged libel committed by Maximo Soliven and Art Borjal, where Mr. Vinluan acted as counsel for the defendants and successfully reversed an unfavorable judgment in the trial court and the Court of Appeals which awarded a substantial amount of damages in favor of the plaintiff.
He is a professional lecturer of the University of the Philippines College of Law and the Ateneo Law School.
Mr. Vinluan also authored several articles, including:
- “Survey Evidence in Trademark Cases: Admissibility and Weight”, Journal of the Integrated Bar of the Philippines, 3rd ed 4th Quarters, 2001;
- “Protecting and Enforcing Trademarks in the Philippines”, IPAsia, June 1995;
- “Towards Global Standards (Philippines)”, Intellectual Corporate Law Supplement, June 1992; and,
- “International Aspects of Intellectual Property Protection”, Journal of the Integrated Bar of the Philippines, 3rd & 4th quarters, 1985.
He also wrote a number of annotations in the American Law Reports which are, among others, the following:
- “Valuation at Time of Original Wrongful Entry By Condemnor Or At Time of Subsequent Initiation of Condemnation Proceedings”, 2 ALR 3d 1038-1055;
- “Religious Belief As Ground For Exemption or Excuse From Jury Service”, 2 ALR 3d 1392-1394;
- “What Educational Expenses Are Deductible As Expenses Incurred in Carrying On A Trade Or Business Within Federal Income Tax Statute”, 3 ALR 3d 829-856;
- “Creditor’s Participation In Alleged Act of Bankruptcy As Precluding Him From Filing or Joining In Involuntary Petition”, 6 ALR 3d 476-490;
- “Stock or Securities Is Entitled to Capital Gains Or Loss Treatment”, 7 ALR 3d 382-405;
- “Appealability Of Judgment Confirming Or Setting Aside Arbitration Award”, 7 ALR 3d 608-618;
He has held several positions in the Integrated Bar of the Philippines (IBP) such as Director for Bar Discipline from 2003 to 2007 and Executive Vice President from 2007 to 2009. He was also the President of the IBP Makati-Pasay Chapter from 1983 to 1985. He also held several positions in the Philippine Bar Association such as its Director-Treasurer from 1996 to 1997, Vice-President from 1997 to 1998, and President from 1998 to 1999. Mr. Vinluan also served as the President of the Intellectual Property Association of the Philippines in 1985.
Mr. Vinluan was awarded the Roman Ozaeta Award of the Philippine Bar Association. Mr. Vinluan was also was considered as an Outstanding Alumnus of the University of the Philippines in Criminal Law Practice in 1996. Apart from these, Mr. Vinluan ranked 13th among the successful examinees of the 1960 Bar Examinations.
Mr. Vinluan is also affiliated with the International Trademark Association, the Asian Patent Attorneys Association, the Association Internationale pour la Protection de Propriete Industrielle, the Licensing Executives Society, and the Philippine Society of International Law.
Mr. Vinluan was admitted to the Philippine Bar in 1961 and is a member of the Makati City Chapter of the Integrated Bar of the Philippines.