During the civil proceedings, the plaintiff may argue against the defendant's defense of patent invalidity by filing the claim amendment with TIPO or stating that the claim amendment the plaintiff submitted is still pending before TIPO as long as the patent at issue, in part or in entirety of its claims, was not held invalid by TIPO or the Administrative Court, and request the Court to take into account the submitted claim amendment under Article 32 of the Intellectual Property Case Adjudication Rules.

1.      documents to which such party has made reference in the course of the litigation proceeding;

2.      documents which the opposing party may require the delivery or an inspection thereof pursuant to the applicable laws;

3.      documents which are created in the interests of the opposing party;

4.      commercial accounting books;

5.      documents which are created regarding matters relating to the action.

Where the content of a document provided involves the privacy or business secret of a party or a third person and the resulting disclosure may result in material harm to such party or third person, the party may refuse to produce such document. Notwithstanding, in order to determine whether the party has a justifiable reason to refuse the production of the document, the court, if necessary, may order the party to produce the document and examine it in private.