2.1 Subject of the search; restrictions 2.2 Formulating a search strategy 2.3 Carrying out the search; types of documents 2.4 Reformulation of the subject of the search 2.5 Closest prior art and its effects on the search 2.6 End of search Source: http://www.epo.org/law-practice/legal-texts/html/guidelinespct/e/b_iv_2.htmDate retrieved: 17 May 20218 references found. Click X to load a reference inside the current page, click on the title to open in a new page.EPO PCT GL - B SearchXGL-PCT B Purpose of Part B Loading...XGL-PCT B IV – Search procedure and strategy Loading...XGL-PCT B IV 2.1 Subject of the search; restrictions Loading...XGL-PCT B IV 2.2 Formulating a search strategy Loading...XGL-PCT B IV 2.3 Carrying out the search; types of documents Loading...XGL-PCT B IV 2.4 Reformulation of the subject of the search Loading...XGL-PCT B IV 2.5 Closest prior art and its effects on the search Loading...XGL-PCT B IV 2.6 End of search Loading...