Worldwide Revocation Mechanisms

Worldwide Revocation Mechanisms

Country	Third Party Observation and Protest	Pre-grant Opposition	Post-grant Opposition	Re-examination (ex parte)	Re-examination (inter partes)	Administrative Revocation and Invalidation
Australia	√	√		√
Brazil			√
Canada	√			√
China	√					√
Costa Rica		√				√
Croatia						√
Denmark	√		√		√
Dominican Republic	√			√		√
Egypt		√
Finland	√		√
Germany	√		√
Guatemala	√
Honduras		√
Hungary	√					√
India		√	√
Japan			√			√
Mexico	√					√
Mongolia		√
Norway	√		√		√
Pakistan	√	√	√
Philippines	√					√
Portugal	√	√				√
Republic of Belarus						√
Republic of Moldova			√
Republic of Korea	√		√	√ (ex officio)		√
Russian Federation	√					√
Slovakia	√					√
Spain	√	√
Sweden			√
United Kingdom	√					√
United States of America	√		√	√	√ (inter partes review)
Zambia		√
EAPO			√
EPO	√		√
PCT	√

*Reproduced from www.wipo.int

This article appeared in the June 2017 issue of Global Patent Prosecution Newsletter.