The research analyses legal aspects of parties' obligations in pre-contractual stage. The main goal of this research is to determine those circumstances under which one party may be held liable against the other party for his actions prior to conclusion of a contract, and to examine the remedies available for the party, who has incurred losses or other harm in the course of negotiations. Comparison between different legal systems is made, which reveals the peculiarities of German, English and Latvian statutory and case law regarding pre-contractual liability. The research introduces with two pre-contractual obligations, which, although in different forms and scope, are recognized in all legal systems subject to this research - a duty to negotiate in good faith and a duty of disclosure.