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Contract Glossary

Demand Letter

Definition

A formal written notice sent to someone who owes you money or has breached a contract, demanding they fix the problem within a specific timeframe. It's the 'pay up or I'm taking legal action' letter — usually the last step before a lawsuit.

In Practice

A client owes you $8,000 for completed work and has ignored your invoices for 60 days. You send a demand letter giving them 15 days to pay, explaining that you'll pursue legal action if they don't. About 30–40% of demand letters result in payment without ever going to court. They work because they signal you're serious.

Common in these contract types

ServicesFreelanceConsultingContractorLease

Frequently asked questions about demand letter

No, but a letter from a lawyer carries more weight. You can write and send your own demand letter, and it's legally valid. However, a letter on a law firm's letterhead tends to get faster results — it shows you've already hired representation. For debts under $5,000, a well-written personal letter is usually enough.

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This content is for informational purposes only and does not constitute legal advice. For contracts with significant financial or legal implications, review by a qualified attorney is recommended.