Patent Oppositions & Appeals

ABG patent attorneys expertise also includes the preparation (involving, among others, designing experiments, performing searches, discussing with technical experts), filing and prosecuting opposition to patents granted before the European Patent Office and the Spanish Patent & Trademark Office

Our opposition practice covers all fields of technology, including chemistry, materials, pharmaceuticals, biotechnology, engineering and physics, as well as information and communication technology.

The combination of the deep understanding of technology, knowledge of IP and practice before the European Patent Office of our team of patent attorneys (including three former examiners of the EPO) ensures that ABG clients receive a high quality and effective service regarding oppositions and eventual appeals.

Since oppositions are often related to national litigation, our patent attorneys usually collaborate with ABG team of IP lawyers-litigators to share the technical knowledge and to complete the strategic vision of the litigation proceedings.

Chemistry & Materials


Biotechnology & Life Sciences



Engineering & Physics