These are the most fundamental and elementary principles of a treaty that must be respected, but there may be other conditions that may be set by a specific law or for certain types of contracts. Zb. An IPR contract must comply with the provisions of the legislation on intellectual property rights. There are certain elements which, if fulfilled, would constitute a valid contract and, conversely, would be considered null and void depending on the circumstances. Section 10 of the „Act“ lists certain conditions that must be met in order to form a valid contract. An agreement cannot be part of agreements that have been expressly annulled. The Indian Contract Act expressly cancelled certain agreements. Some of them: agreement not concluded if both contain a factual error essential to the agreement (p. 20).

Any agreement with an unlawful object or an unlawful consideration is cancelled (§23).