The German double-tracked system of litigation suits held at the lower and upper district courts on the one hand and a parallel nullity suit at the German Patent Court and the Federal Court of Justice (BGH) on the other hand is facing changes. The former practice of the district courts to stay the litigation procedure until the ruling in the nullity procedure has reached legal force is gradually superseded by an accelerated practice of deciding on the infringement without waiting for the ruling in the nullity suit in cases where the district court holds that the invalidation of the patent is improbable.
The 2nd instance decision in the litigation suit may be revised by the BGH only in exceptional cases where the Upper District Court has admitted such a revision, which should be done e.g. in cases interests of the general public beyond the individual case are affected. The decision not to admit a revision may be appealed within a term of one month and the grounds for the appeal have to be supplied within a term of two months from the date of notification of the decision.
The BGH has now decided in the case “Crimpwerkzeug III” (X ZR 193/03) that a ground for admitting the revision is given as soon as the BGH bases its decision in a nullity appeal procedure onto an interpretation of the claim deviating from the interpretation used by the upper district court in the judgement in a decisive point. Moreover, if this ground occurs after the expiry of the delay for filing the grounds for the appeal against the non-admission, it may be enforced by means of a request for restitutio in integrum.
In the case under dispute, the alleged infringer had been sentenced for infringing a patent against which a nullity suit was pending. The decision not to admit a revision was appealed at the BGH, who decided to stay this appeal procedure until the nullity suit, which was pending at the BGH likewise, was terminated. The Patent was upheld mainly by arguing that the point-like nature of “supporting points ... formed as thrust faces” was the clue to inventiveness, whereas the district court had held that the larger thrust faces of the allegedly infringing product could still be interpreted as “supporting points” despite of them clearly not being point-like.
According to the BGH, the impossibility to resolve such a discrepancy between the claim interpretations would lead to a loss of confidence into the jurisprudence as a whole and into the German double-tracked system in particular. This entails a sustainable effect of the decision on the interests of the general public beyond the individual case being sufficient for admitting the revision.
This new loop-hole may be opened by the underlying party in a 2nd instance litigation procedure with a co-pending nullity suit by filing an appeal against the decision not to admit the revision and to request the BGH to stay the appeal procedure until the termination of the nullity suit. Additional grounds focusing on discrepancies in the claim interpretation employed by the two courts may then be handed in later by requesting a restitutio in integrum.
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