Assignment And Assumption Agreement: What To Review Before Signing

Alex Solo
byAlex Solo9 min read

Transferring a business contract to another party may sound simple, but assignment and assumption agreements are often more complex than they first appear. Many US startups and small businesses sign these agreements without fully understanding what rights and obligations are being transferred, what consents are needed, or what risks may remain. Overlooking key terms or skipping a careful review can lead to disputes, lost revenue, or even legal liability down the line.

This guide covers the essentials of assignment and assumption agreements for US businesses. We will explain what these agreements do, common mistakes to avoid, and practical steps to take before signing. You will find checklists, examples, and tips on when to seek legal review, so you can approach your next contract transfer with confidence.

What Is an Assignment and Assumption Agreement?

An assignment and assumption agreement is a contract that transfers one party's rights and obligations under an existing agreement to a new party. In business, this often happens when a company sells assets, restructures, or wants another entity to take over a contract. The original party (the assignor) assigns its interests and duties to a new party (the assignee), and the other party to the original contract (the non-assigning party) may need to consent.

For example, if a software startup sells its customer contracts to another company, it will likely use an assignment and assumption agreement to transfer those contracts. The new company (assignee) agrees to take on the rights to receive payment and the obligations to provide services. The customer (non-assigning party) may need to approve the transfer, depending on the terms of the original contract.

Assignment and assumption agreements are used in many business contexts, such as:

  • Asset sales or purchases
  • Business mergers or restructures
  • Transferring leases or service agreements
  • Changing who manages a supplier or customer relationship

These agreements are not just paperwork. They can affect who is responsible if something goes wrong, who gets paid, and whether the original contract continues as intended. That is why it is important to review the details carefully before signing.

Key Terms to Review in an Assignment and Assumption Agreement

Before signing, US businesses should carefully review the following terms in any assignment and assumption agreement:

  • Parties: Confirm the correct legal names and roles of the assignor, assignee, and (if included) the non-assigning party.
  • Assigned Contract(s): Clearly identify which contract(s) or rights are being assigned. Attach copies or reference them precisely.
  • Effective Date: Specify when the assignment and assumption take effect. This is critical for ongoing obligations and payments.
  • Assumed Obligations: Spell out which duties the assignee is taking on. Are all obligations transferred, or only some?
  • Excluded Obligations: Clarify if any obligations remain with the assignor, such as pre-existing breaches or liabilities.
  • Consent: Check if the original contract requires the non-assigning party's written consent. Many contracts prohibit assignment without approval.
  • Representations and Warranties: Review what each party is promising about authority, enforceability, and the absence of undisclosed problems.
  • Indemnities: Look for clauses about who covers losses if something goes wrong after the assignment.
  • Governing Law: Confirm which state's law will apply to the agreement, especially if parties are in different states.
  • Notice Provisions: Make sure you know how and where to send formal notices under the agreement.

Missing or unclear terms can create confusion or disputes. For example, if the agreement does not specify whether the assignee is responsible for past breaches, both parties could be left exposed to claims. Always review the agreement in detail and ask questions about anything that is unclear or missing.

Common Mistakes and Risks in Assignment and Assumption Agreements

Many US businesses make avoidable mistakes when signing assignment and assumption agreements. Here are some of the most common risks and how to avoid them:

  • Not Checking the Original Contract: Some contracts prohibit assignment or require written consent from the other party. Assigning without consent can make the transfer invalid or trigger penalties.
  • Unclear Scope of Assignment: Failing to specify exactly what rights and obligations are being transferred can lead to disputes. For example, are warranties, indemnities, or intellectual property included?
  • Ignoring State Law Differences: Contract law is primarily state-based. Some states have special rules about assignments, especially for certain types of contracts (like leases or government contracts). Always check the governing law and any state-specific requirements.
  • Overlooking Ongoing Liabilities: If the assignor remains liable for past breaches or future obligations, this should be spelled out. Otherwise, both parties may be exposed to claims.
  • Missing Required Signatures: All relevant parties should sign the agreement. In some cases, the non-assigning party must also sign to make the assignment effective.
  • Not Notifying the Other Party: Even if consent is not required, failing to notify the non-assigning party can create confusion or legal risk.
  • Failing to Update Contract Records: After the assignment, update your records and inform relevant stakeholders (such as customers, vendors, or regulators) of the change.

To reduce risk, use a checklist before signing:

  • Review the original contract for assignment clauses
  • Confirm all parties and contract details are correct
  • Check for required consents and obtain them in writing
  • Clarify all rights, obligations, and liabilities being transferred
  • Make sure the agreement is signed by all necessary parties
  • Update contract records and notify stakeholders

In high-value or complex deals, consider having an attorney review the agreement before you sign.

One of the most important aspects of an assignment and assumption agreement is whether you need the non-assigning party's consent. Many business contracts include a clause that restricts or prohibits assignment without prior written approval. Failing to get consent can make the assignment void or trigger a breach of contract.

Federal law does not generally regulate assignment of private contracts, except in special cases such as government contracts or intellectual property licenses. Most assignment rules are set by state contract law and the terms of the original agreement. Some states, like California and New York, have additional rules for certain types of contracts (for example, personal services agreements or commercial leases).

Common consent scenarios include:

  • Consent Required: The original contract says assignment is not allowed without written consent. You must get approval before transferring the contract.
  • Consent Not Required: The contract is silent on assignment, or it allows assignment freely. You may be able to assign without approval, but it is still good practice to notify the other party.
  • Consent Cannot Be Unreasonably Withheld: Some contracts say the non-assigning party cannot unreasonably refuse consent. What counts as unreasonable can depend on state law and the facts.

Always read the original contract carefully. If in doubt, get written consent from the non-assigning party before proceeding. This can help avoid disputes or claims of breach later.

Example: A marketing agency wants to assign a client contract to another agency as part of a sale. The contract says assignment requires client consent. The agency must get the client's written approval before the assignment is effective.

Practical Steps Before Signing an Assignment and Assumption Agreement

To protect your business, follow these practical steps before signing an assignment and assumption agreement:

  1. Review the Original Contract: Check for assignment clauses, consent requirements, and any restrictions. Look for terms about notice, liability, and governing law.
  2. Identify All Parties: Make sure the assignor, assignee, and (if needed) the non-assigning party are clearly named and have authority to sign.
  3. Clarify What Is Being Assigned: Specify the contract(s), rights, and obligations being transferred. Attach copies or reference them clearly.
  4. Obtain Required Consents: If consent is needed, get it in writing before completing the assignment. Keep records of all approvals.
  5. Negotiate Key Terms: Discuss and document who is responsible for past and future obligations, indemnities, and any warranties.
  6. Check State Law: If the contract involves parties in different states, or covers regulated activities (like real estate or government contracts), check for any state-specific rules or filings.
  7. Sign and Date the Agreement: All required parties should sign and date the agreement. Electronic signatures are generally valid in most states, but check if the contract or state law requires originals.
  8. Update Your Records: After signing, update your contract management system and notify relevant stakeholders of the change.
  9. Consider Legal Review: For high-value, complex, or regulated contracts, consider having an attorney review the agreement before signing. This can help catch issues that might otherwise be missed.

Taking these steps can help ensure the assignment is effective and reduce the risk of future disputes.

When Should US Businesses Seek Attorney Input?

While many assignment and assumption agreements are straightforward, some situations call for attorney review. Consider seeking legal input if:

  • The contract is high-value or critical to your business
  • There are complex or unusual terms in the original contract
  • The contract involves intellectual property, government work, or regulated industries
  • There are disputes about what is being assigned or who is responsible for past breaches
  • The parties are in different states, or the contract covers multiple jurisdictions
  • You are unsure about consent requirements or state law differences

An attorney can help by:

  • Reviewing the original contract for assignment restrictions
  • Drafting or reviewing the assignment and assumption agreement
  • Advising on required consents and notices
  • Clarifying liability, indemnity, and warranty issues
  • Ensuring compliance with state and industry-specific rules

For small, low-risk contracts, you may be able to use a standard template and checklist. For more complex deals, legal review can help avoid costly mistakes and protect your business interests.

FAQs

Can any business contract be assigned and assumed?

Not all contracts can be assigned. Many contracts include clauses that prohibit or restrict assignment, or require the non-assigning party's consent. Some types of contracts, such as personal services agreements, government contracts, or certain intellectual property licenses, may not be assignable under state law or federal regulations. Always check the original contract and any applicable laws before attempting to assign a contract.

If you assign a contract without the required consent, the assignment may be invalid or unenforceable. The non-assigning party could claim breach of contract, refuse to recognize the assignee, or seek damages. In some cases, the contract may include penalties for unauthorized assignment. To avoid these risks, always obtain written consent if the contract requires it.

Does the assignor remain liable after the assignment?

This depends on the terms of the assignment and assumption agreement and the original contract. In some cases, the assignor remains liable for obligations or breaches that occurred before the assignment. In others, the assignee takes on all liabilities. The agreement should clearly state who is responsible for past and future obligations. If this is not clear, both parties may be exposed to claims.

Are electronic signatures valid on assignment and assumption agreements?

In most states, electronic signatures are valid and enforceable for assignment and assumption agreements, as long as all parties agree to use them. However, some contracts or state laws may require original signatures for certain types of agreements, such as real estate transfers. Check the original contract and applicable state law before relying on electronic signatures.

How do I notify the non-assigning party of the assignment?

The assignment and assumption agreement should include a notice provision specifying how and where to send formal notices. Common methods include email, certified mail, or delivery to a specified address. Even if consent is not required, it is good practice to provide written notice to the non-assigning party so everyone is aware of the change.

Key Takeaways

  • Assignment and assumption agreements transfer contract rights and obligations to a new party, but require careful review of terms, consents, and liabilities.
  • Always check the original contract for assignment restrictions or consent requirements before proceeding.
  • Clearly specify what is being assigned, who is responsible for past and future obligations, and obtain all necessary signatures and consents.
  • State law and contract terms can affect whether an assignment is valid and what steps are required.
  • Consider attorney review for high-value, complex, or regulated contracts to reduce risk and help support compliance.

If you need help reviewing or preparing an assignment and assumption agreement for your US business, contact our team at (888) 449-8437 or team@sprintlaw.com. Where legal services are required, they are delivered by licensed lawyers at trusted US law firms through the Sprintlaw platform.

Alex Solo

Alex is Sprintlaw's co-founder and a legal technology leader. He holds law and media degrees from the University of Sydney and has been recognized by Australasian Lawyer, Lawyers Weekly and the Sydney Young Entrepreneur Awards for his work building Sprintlaw and improving access to business legal support.

Need legal help?

Get in touch with our team

Tell us what you need and we'll come back with a fixed-fee quote - no obligation, no surprises.

Keep reading

Related Articles

Translation Services Agreement: Practical Drafting Points For Growing Businesses

Translation Services Agreement: Practical Drafting Points For Growing Businesses

A translation services agreement helps US businesses set clear terms with translators. This guide covers essential clauses, practical examples, state-law issues, and common mistakes to avoid.

Sep 4, 2026
Read more
Translation Services Agreement: Payment, Liability And Termination Terms To Check

Translation Services Agreement: Payment, Liability And Termination Terms To Check

A translation services agreement spells out how payments work, who is liable for errors, and how either side can end the contract. This guide explains the key terms US startups and small businesses should check before signing.

Sep 4, 2026
Read more
Before You Sign A Translation Services Agreement: Key Commercial Terms To Review

Before You Sign A Translation Services Agreement: Key Commercial Terms To Review

Before signing a translation services agreement, US businesses should carefully review scope, pricing, deadlines, confidentiality, liability, and state law issues. This guide covers what to check and common pitfalls to avoid.

Sep 4, 2026
Read more
Tour Terms Of Service: What To Tell Customers Before They Buy

Tour Terms Of Service: What To Tell Customers Before They Buy

Clear tour terms of service help US tour operators set expectations, reduce disputes, and comply with legal requirements. This guide explains what to include, state law pitfalls, and practical steps to protect your business.

Sep 4, 2026
Read more
Tour Terms Of Service: Refunds, Disclosures And Contract Risks To Watch

Tour Terms Of Service: Refunds, Disclosures And Contract Risks To Watch

Tour terms of service are critical for both protecting your tour business and setting clear expectations for customers. This guide covers refund requirements, legal disclosures, contract risks, and practical steps for US operators.

Sep 4, 2026
Read more
Tour Terms Of Service: Customer Terms And Compliance Points To Check

Tour Terms Of Service: Customer Terms And Compliance Points To Check

Tour operators face unique legal risks and customer expectations. This guide explains what to include in your tour terms of service, compliance issues to watch for, and practical steps for US businesses.

Sep 4, 2026
Read more
Need support?

Need help with your business legals?

Speak with Sprintlaw to get practical legal support and fixed-fee options tailored to your business.