Enlarged Board of Appeal of the EPO rules on partial priorities

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3 February 2017

In its order for decision G1/15, related to the question of partial priorities and so-called toxic divisionals, the Enlarged Board of the EPO held that a generic claim encompassing alternative subject matter may not be refused partial priority, provided the alternative subject matter has been directly, at least implicitly, and unambiguously disclosed in the priority document. 

The reasoned decision has now been published.

The Office will now resume the examination and opposition proceedings that were stayed ex officio because the decision depended entirely on the outcome of the pending referral.

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