- non-contractual obligation on which the claim is based arises; where the claimant sues, in accordance with the applicable rules on jurisdiction, more than one defendant in that court, he or she can only choose to base his or her claim on the law of that court if the restriction of competition on which the claim against each of these defendants relies directly and substantially affects also the market in the Member State of that court.
4. The law applicable under this Article may not be derogated from by an agreement pursuant to Article 14.
Art. 7 Environmental damage The law applicable to a non-contractual obligation arising out of environmental damage or damage sustained by persons or property as a result of such damage shall be the law determined pursuant to Article 4(1), unless the person seeking compensation for damage chooses to base his or her claim on the law of the country in which the event giving rise to the damage occurred.
Art. 8 Infringement of intellectual property rights 1. The law applicable to a non-contractual obligation arising from an infringement of an intellectual property right shall be the law of the country for which protection is claimed.
2. In the case of a non-contractual obligation arising from an infringement of a unitary Community intellectual property right, the law applicable shall, for any question that is not governed by the relevant Community instrument, be the law of the country in which the act of infringement was committed.
3. The law applicable under this Article may not be derogated from by an agreement pursuant to Article 14.
Art. 9 Industrial action Without prejudice to Article 4(2), the law applicable to a non-contractual obligation in respect of the liability of a person in the capacity of a worker or an employer or the organisations representing their professional interests for damages caused by an industrial action, pending or carried out, shall be the law of the country where the action is to be, or has been, taken.
CHAPTER III. UNJUST ENRICHMENT, NEGOTIORUM GESTIO AND CULPA IN CONTRAHENDO
Art. 10 Unjust enrichment 1. If a non-contractual obligation arising out of unjust enrichment, including payment of amounts wrongly received, concerns a relationship existing between the parties, such as one arising out of a contract or a tort/delict, that is closely connected with that unjust enrichment, it shall be governed by the law that governs that relationship.
2. Where the law applicable cannot be determined on the basis of paragraph 1 and the parties have their habitual residence in the same country when the event giving rise to unjust enrichment occurs, the law of that country shall apply.
3. Where the law applicable cannot be determined on the basis of paragraphs 1 or 2, it shall be the law of the country in which the unjust enrichment took place.
4. Where it is clear from all the circumstances of the case that the non-contractual obligation arising out of unjust enrichment is manifestly more closely connected with a country other than that indicated in paragraphs 1, 2 and 3, the law of that other country shall apply.