Future starts with your next great idea

and we are here to protect it


Founded in March 1995, CABINET M. OPROIU is a professional partnership of industrial property attorneys, engineers, chemists, physicists and attorneys-at-law, all specialized in the field of industrial property rights, based in the city of Bucharest, Romania.

We are here to help our Clients find the most appropriate way of protecting their ideas and transforming them into the most valuable assets a company can have: patents, trademarks or designs. Our aim is to provide tailored top-quality advice to each company or individual, within a constantly changing economic environment.

We can advise and represent fully on patent, trademark and design rights, before the Romanian Patent and Trademark Office (RPO), the European Patent Office (EPO), the World Intellectual Property Organization (WIPO) and the Office for Harmonization of the Internal Market (OHIM).Our expert knowledge is recognized: according to the worldwide annual survey published in the Managing Intellectual Property Magazine, the firm has been acknowledged as ‘Patent and Trademark Prosecution Firm of the Year’ since 2007. In addition, we won the 2013 Corporate Intl Magazine Legal Award ‘Patent Law Firm of the Year in Romania’.The attorneys of the Firm are members of various Romanian and International Patent and Trademark Associations, such as the National Chamber of IP Attorneys, ECTA, INTA, FICPI, AIPPI, MARQUES.We are proud to be currently part of a global network of IP attorneys – and cultivating our privileged personal contacts with colleagues from other jurisdictions.

Our Services





Portfolio Management

Our Team

Margareta Oproiu


Margareta Oproiu founded Cabinet M. Oproiu with Raluca Vasilescu in 1995. Margareta is among the first Romanian Patent Attorneys, qualified since 1992, when the profession was created. She is specialized in patent and trademark prosecution and enforcement in Romania.

raluca vasilescu photo

Raluca Vasilescu


Raluca Vasilescu is one of the two founding partners of Cabinet M. Oproiu. She is specialized in patent and trademark prosecution, and is in charge of the technical part of the litigations, particularily in the fields of mechanics & electronics – including artificial intelligence.

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