1. Time allowed for filing notice of opposition 2. Opposition fee 3. Submission in writing 4. Derogations from language requirements 5. Grounds for opposition 6. Content of the notice of opposition Source: http://www.epo.org/law-practice/legal-texts/html/guidelines/e/d_iii.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 Guidelines - D Opposition and Limitation/Revocation ProceduresXGL D The meaning of opposition Loading...XGL D III 1 Time allowed for filing notice of opposition Loading...XGL D III 2 Opposition fee Loading...XGL D III 3 Submission in writing Loading...XGL D III 4 Derogations from language requirements Loading...XGL D III 5 Grounds for opposition Loading...XGL D III 6 Content of the notice of opposition Loading...EPO Guidelines - G PatentabilityXGL GL INDEX 2021 Loading...