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International Opposition Guide: Comparative Practice and Procedures is a searchable database of country profiles on the structure of trademark opposition practice and procedure including: 

• general provisions
• applicable grounds
• alternatives to opposition
• opponent issues
• filing requirements
• post-filing stages and procedures

Each jurisdiction profile follows a standardized format, with topics organized by subject heading. This format makes it easy to search within a jurisdiction profile or to compare how different jurisdictions treat a particular subject.

Principal Editors

Richard Ashmead, International IP Consultant, Hampshire, United Kingdom
Carmen Lichtenstein (1944-2011), Lichtenstein, Koerner & Partners, Stuttgart, Germany

 Sample jurisdiction profile