9.2 Categories of documents (X, Y, P, A, D, etc.)
9.2.2 Documents defining the state of the art and not prejudicing novelty or inventive step
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A revised version of this publication entered into force. |
Where a document cited in the European search report represents state of the art not prejudicial to the novelty or inventive step of the claimed invention, it is indicated by the letter "A" (see, however, B‑III, 1.1).