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Guidelines for Examination


3.2 Notices of opposition filed electronically

Notice of opposition may be filed in electronic form using version 5 or later releases of the EPO Online Filing software (see OJ EPO 2009, 182 and 2012, 448).

Notice of opposition may also be filed using the new online filing service (CMS) provided on the EPO website (see OJ EPO 2014, A97). However, it may not be filed using the EPO web-form filing service (OJ EPO 2014, A98).