https://www.gov.ie/en/department-of-agriculture-food-and-the-marine/press-releases/mcconalogue-announces-launch-of-national-opposition-procedure-for-protected-geographical-indication-of-certified-irish-angus-beef/
McConalogue announces launch of national opposition procedure for Protected Geographical Indication...
This joint application demonstrates strong ongoing cooperation on agricultural matters
opposition proceduremcconalogueannounceslaunchnational
https://www.mondaq.com/uk/patent/1366056/european-patent-office-opposition-procedure
European Patent Office Opposition Procedure - Patent - European Union
European Patent Office (EPO) opposition procedure comprises two parts: opposition division (first instance), and, if relevant, appeal.
european patent officeopposition procedureunion
https://www.epo.org/en/legal/guidelines-epc/2026/e_iii_8_7_3.html
8.7.3 Procedure in opposition proceedings
8 7in opposition3procedureproceedings