Knowledge

04.11.2024

It is typically a requirement at the EPO to amend the description for conformity with the allowable claims before grant of a patent; however, there have been a number of diverging decisions on the matter. The latest decision finds that there is no legal basis for enforcing this requirement, which might suggest that it will no longer be necessary to adapt the description. However, there are other decisions which support the requirement to adapt the description. In view of this, and because the Board of Appeal in this case opted not to involve the highest authority at the EPO in order to clarify the situation, it is unclear as to whether or not the requirement to adapt the description will remain.

23.08.2024

The EPO Enlarged Board of Appeal has now issued its preliminary (and non-binding) opinion on G 1/23. This referral (from the Technical Board of Appeal in T 438/19) seeks to clarify whether a commercially available product, with an undisclosed composition or internal structure, must be analysable and reproducible by the skilled person in order to constitute prior art under Article 54(2) EPC.