Sweden
In Sweden, the parties must present evidence to substantiate their claims but are free to determine which evidence they want to rely on. Practically everything is admissible and will be evaluated freely by the court, which will also decide the weight to give to each piece of evidence. The court will typically make no investigations of its own or assess evidence other than that which the parties have presented.
It is possible to request documents to be produced by the other party or third parties, but fishing expeditions are not permitted. The requesting party should identify the specific documents – or a narrowly defined category of documents – it is seeking and it must have a legitimate interest in seeking them. Furthermore, the applicant must show that the requested documents are relevant to the matter in dispute. The request is not limited to hard copy documents and can entail any (electronic) device holding information. After hearing the opposing party, the court will decide on the request. Attorneys and certain other professionals may refuse disclosure on the grounds of protecting legal professional privilege, and documents containing trade secrets may also be exempt from being disclosed. The court may only order a party to produce documents when they are requested by the other party, and thus a document production order cannot emanate from the court’s discretion.