A Trilogy on Oppositions

Diego and Wannes analyse the big data behind opposition procedures before the EPO in the period from 2017 to 2019.

01

A deep dive into EPO opposition representation reveals Germany and the UK dominate

Analysis of nationalities of patentees, opponents and their representatives in EPO Oppositions.

02

European champions: the private practice teams that dominate EPO oppositions

This article analyses the private firms that are most active in EPO opposition.

03

Top EPO opposition firms by technical areas of specialisation revealed

Analysis of EPO Opposition firms in more detail, based on the IPC classification of the opposed patents.