In 1919 the American lawyer Richard P. Momsen established his Law Firm in Rio de Janeiro. In 1927, Thomas O. Leonardos became a partner of the Firm which was named Momsen, Leonardos & Cia., in 1944. Luiz Leonardos & Advogados was created as a direct result of the split of Momsen, Leonardos & Cia on April 30, 2012 . Nowadays with 14 partners, Luiz Leonardos & Advogados has over 60 experienced professionals dedicated to all aspects of intellectual property services. Providing the best possible quality service without imposing unnecessary costs is our commitment. Client satisfaction is the focus of this newborn and already traditional company.

Our Professionals

Luiz Leonardos & Advogados counts on a highly skilled team of professionals, prepared to assist clients in all segments of Intellectual Property. Many have a foreign educational background and all have extensive professional experience. Click here for further information

Areas of Activity

Luiz Leonardos & Advogados allies the tradition of almost one century, inherited from Momsen, Leonardos & Cia., to a highly specialized team of professionals. Our Office is accredited to act with reliability and excellence in all segments of the Intellectual Property area. ... read more


Luiz Leonardos & Advogados Luiz Leonardos & Advogados Luiz Leonardos & Advogados - Recognized in Who is Who Legal

Subscribe to receive our newsletter