GL B II 3 Search documentation

The search is carried out in in-house or external collections of documents or databases, the contents of which are systematically accessible, e.g. by means of words, classification symbols or indexing codes. These are primarily patent documents of various countries, supplemented by a number of articles from periodicals and other non-patent literature (see B‑IX).

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EPO Guidelines - B Search

EPO PCT GL - B Search