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When a Business Partner Fails to Invest: Do You Need a Formal Warning? | LegalPost

When a Business Partner Fails to Invest: Do You Need a Formal Warning?

Learn about the legal rights of business partners when one person fails to fulfill their investment obligations in a shared venture.

Published on 04/17/2026, 16:192 min readviews0

When a Business Partner Fails to Invest: Do You Need a Formal Warning?

Parties → Partner A Investment contributor → Partner B Other partner → Partnership Shared business venture → Timeline → ① Partners agreed on investment contributions → ② Partner A repeatedly delayed investment → ③ Delays caused business setbacks → ④ Partner B and the other partners excluded A → ⑤ Partner A protested the exclusion → Was a formal warning with extra time required before expulsion? → Supreme Court Case 96da29816 → No, if the partner is already in delay. Failure to invest can justify expulsion. → Check the agreed investment amount → Review the partner contribution agreement → Check whether the obligation was in delay → Confirm the investment was due and unpaid → Check the basis for exclusion → Assess whether the failure justified expulsion

The Legal Responsibility of Business Partners

Starting a business together in Korea is legally viewed as a partnership contract (known as 'Johap'). Under this arrangement, every partner is a member of the association and carries specific legal duties.

What is the Investment Obligation?

According to Article 703, Paragraph 1 of the Civil Act, partners have a fundamental duty to contribute the investment amounts they agreed upon. When a partner fails to provide their share of the capital, it disrupts the entire business operation.

Can You Remove a Partner Who Doesn't Pay?

Yes. Under Article 718, Paragraph 1, the failure to fulfill investment duties constitutes a "justifiable reason" to expel that member from the partnership.

Key Legal Fact:You do not necessarily need to send a formal demand (notice of performance) with an additional grace period to a partner who is already in delay. The Supreme Court (Case 96da29816) has clarified that once the obligation is breached, the other partners can proceed with expulsion.

Conclusion

In your case, if partner 'A' repeatedly delayed their investment and caused setbacks, you and partner 'B' had the legal standing to exclude 'A' and move forward. Since 'A' failed their core contractual duty, their protest against being excluded is unlikely to be legally supported.

--- This information is provided for general guidance. For personalized legal advice regarding business contracts in Korea, please consult with a qualified attorney.

This article was rewritten and translated by AI from the original source. Original source: helplaw24.go.kr

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