DenmarkRe-examination: a convenient tool for testing patent validity

Many have experienced the feeling that strikes when a competitor’s patent pops up in a database or arrives by mail: this patent may mean trouble. If the patent is critical and the period for opposing it has expired, in most EU member states the only way to invalidate the patent – or at least to have it limited to a tolerable extent – is to instigate invalidation proceedings in court.


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