or in part) or reject the opposition. This decision can be appealed to the Federal Court of Canada by both the trademark applicant and opponent. See also Patent watch Public participation in patent examination (including a discussion on the possibility, in some jurisdictions, for third parties to file observations during the examination of a patent application, see sub-section "Observations by third parties") References External links Patent Opposition Database, an online resource launched by Doctors without Borders as "a tool which can be used to explore how to challenge unfair patents and their negative impact on access to medicines." () Patent law Trademark law