Validity

In most systems, a patent is valid for 20 years from the filing date of the patent application. Patents are granted with a presumption of validity but no patent is safe from being challenged and declared (partially) invalid by national courts or, in the case of European patents, revoked by the European Patent Office. Often, a claim of invalidity of a patent is a reaction to an action of the patentee, in particular an infringement action.

(Indirect) infringement, Chemical Engineering, EPC, Exceptions to patentability, France, Inventive step, Novelty, Revocation, Second Medical Use, Sufficiency of disclosure, Validity

(Véron & Associés)/

On 20 March 2012, the Tribunal de Grande Instance of Paris rendered its decision in the case relating to raloxifene, a molecule useful for treating or preventing osteoporosis in post-menopausal women, opposing Teva to Eli Lilly. This decision raises many questions, first concerning drug patents in particular (patentability of second medical use, patentability of the resolution of…

Italy, Novelty, Validity

(Trevisan & Cuonzo)/

By decision of 23 March 2012, the Supreme Court decided a case between two competitors in the field of steel products and machinery, concerning in particular the alleged infringement of two Italian patents covering a winding up mechanism for steel wire. The alleged infringer had counterclaimed invalidity based on prior disclosure, claiming in particular that…

Denmark, Inventive step, Novelty, Validity

(Bugge Valentin)/

In a recent decision (16.5.2012) the Supreme Court in Denmark has ruled on the requirement of creative step that applies to Danish utility models and serves the same purpose as inventive step in respect of patents. The utility model-in-suit had been invalidated by the Danish Patent Office and that decision was upheld by the Maritime…

Case Law, Electrical Engineering, Germany, Inventive step, Validity

(Hoffmann Eitle)/

When seeking to improve a data structure prescribed in an international standard, the skilled person would consider mechanisms already described in the standard when solving the identified technical problem. If the standard provides a manageable number of possible solutions, each having specific advantages and disadvantages, this provides an incentive to take each of the solutions…

Case Law, Denmark, Novelty, Second Medical Use, Validity

(Bugge Valentin)/

The Danish Maritime and Commercial Court upheld the invalidation (in two administrative instances) of a patent claiming second medical use of a known compound for the treatment of sea lice infestation on the grounds that neither the pathology nor the patient group were novel over the closest prior art. The European sister patent had likewise…

Denmark, Novelty, Second Medical Use, Validity

(Bugge Valentin)/

In a recent decision rendered by the Danish Maritime and Commercial Court, a Danish patent invalidated administratively in both the first and second instance by the Danish Patent Office was held invalid by the Danish Maritime and Commercial Court also. The European sister patent had likewise been invalidated at the EPO Technical Board of Appeals…

Germany, Inventive step, Procedure, Validity

(Hoffmann Eitle)/

As in other jurisdictions, German Courts try to determine whether an invention is patentable over the prior art by looking at it through the eyes of the notional skilled person at the effective filing date of the patent at issue. In a decision pronounced on March 6, 2012 (docket X ZR 78/09), the German Federal…