2. Professional representatives

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2.1. List of professional representatives (Article 134(1) EPC)

2.3. Professional representatives during the transitional period

2.4. Procedural steps performed by a person other than the professional representative

2.5. Submissions by a professional representative after transfer of opponent status

T 2058/18: It is the responsibility of the representative to consult with its client (appellant) when presenting arguments about essential distinguishing features of the invention over the closest prior art. It is however the ultimate responsibility of the appellant to file amendments. Generally, these distinguishing features, presented as essential ones, could not anymore be considered as being obvious errors afterwards (Reasons, 3.5.6).