PĒTERSONA PATENTS – AAA LAW is a full service intellectual property law firm. Since its founding in 1992, PĒTERSONA PATENTS – AAA LAW has become one of the most recognized, trustworthy and sophisticated specialist firms with more than 25 years of experience in the field of IP law in Latvia. Today, collectively with our affiliate offices of AAA Law in Lithuania and AAA Legal Services in Estonia, we are eager to advise clients across the Baltics on all aspects of intellectual property protection, enforcement and exploitation.

Our lawyers, trade mark and patent attorneys are experienced in drafting and prosecuting applications for patent protection, trade mark registrations and design registrations in Latvia, in the European Union and worldwide. We represent our clients before the Court of the Republic of Latvia, the Latvian Patent Office (LPO), the European Union Intellectual Property office (EUIPO), the World Intellectual Property Organization (WIPO) and the European Patent Office (EPI). We also offer legal assistance in oppositions, infringements, licensing, clearance searches and other related issues to intellectual property. The reputation of PĒTERSONA PATENTS – AAA LAW has been built on the skills and professionalism of our attorneys and their successful litigation practice.

PĒTERSONA PATENTS – AAA LAW has particular skills in a wide range of technical fields ranging from chemistry, pharmaceutics, biotechnology, to mechanics, material sciences, electronics and IT. Our IP team includes highly trained attorneys with multiple technical degrees.

We are united by our professionalism, our passion for our work, our creativity and our openness to new ideas. In providing legal services we always ensure the highest quality, prompt service and constant attention to the client’s needs.


  • Change of company's name PĒTERSONA PATENTS changes the company's name to PĒTERSONA PATENTS - AAA LAW.
  • 25 years of excellence The team of PĒTERSONA PATENTS and its clients celebrate prosperous experience in the field of IP.
  • Becoming an international law firm PĒTERSONA PATENTS and the Lithuanian law firm AAA Law join forces.
  • Enhancing collaboration in the Baltics We establish closer cooperation with the Estonian firm AAA Legal services and Lithaunian firm AAA Law.
  • We connect with the world’s leading IP professionals PĒTERSONA PATENTS takes membership in the unique International Federation of Intellectual Property Attorneys (FICPI), consisting exclusively of IP attorneys in private practice.
  • Following Latvia’s accession to the EU, PĒTERSONA PATENTS expands knowledge on Community Trade Marks For the first time we join the European Communities Trade Mark Association (ECTA).
  • Getting to know identity of brand owners We become trustworthy members of the MARQUES - The Association of European Trade Mark Owners.
  • First representation before the court PĒTERSONA PATENTS represents a client in the first trade mark infringement case before the Court of the Republic of Latvia.
  • First international membership PĒTERSONA PATENTS becomes a member of the International Trademark Association (INTA).
  • More partners worldwide We become proud members of the International Association for the Protection of Intellectual Property (AIPPI).
  • The beginning Mr. Armīns Pētersons successfuly becomes the first trade mark, patent and design attorney in Latvia (No. 1 in the Registry). He establishes the IP law and patent agency PĒTERSONA PATENTS.

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