An Assignment Agreement is a general-purpose legal document that transfers contractual rights, obligations, or interests from one party (the assignor) to another party (the assignee). Assignment is a fundamental concept in contract law, recognized under the Restatement (Second) of Contracts Sections 317-338 and Article 2 of the Uniform Commercial Code (UCC) for the sale of goods. The basic principle is that most contract rights are freely assignable unless the contract expressly prohibits assignment, the assignment would materially change the obligor's duty or risk, or the assignment is prohibited by law.

The legal distinction between assignment and delegation is important. An assignment transfers the assignor's rights to receive performance, while a delegation transfers the assignor's duty to perform. In practice, most assignment agreements involve both: the assignee receives the assignor's rights and assumes the assignor's obligations. Under UCC Section 2-210, an assignment of rights under a contract for the sale of goods is generally permitted unless the assignment would materially change the other party's duty or increase their burden or risk.

Anti-assignment clauses are common in commercial contracts. However, their enforceability varies. Under UCC Section 9-406, anti-assignment clauses are generally unenforceable with respect to the assignment of accounts receivable and payment intangibles, a provision designed to facilitate commercial financing. For other types of contract rights, anti-assignment clauses are generally enforced, though some courts construe them narrowly, treating a breach of the clause as giving rise to damages rather than voiding the assignment entirely.

A business is selling its accounts receivable to a factoring company and needs to formally assign the right to collect payments from its customers. A contractor who has completed work under a contract assigns their right to receive payment to a third party, such as a subcontractor or creditor.

A party to a contract is undergoing a corporate restructuring, merger, or acquisition and needs to transfer all contractual rights and obligations to the surviving or acquiring entity. A creditor assigns a debt owed to them to a collection agency or to another party purchasing the debt at a discount.

A software licensee is transferring their license rights to another company as part of a business sale, subject to the licensor's consent if required by the license agreement. A tenant is assigning their rights under a lease to a new tenant, which may require the landlord's written consent.

An insurance policyholder is assigning the benefits of a claim to a medical provider or repair facility. A party to a settlement agreement is assigning their right to receive settlement payments to a structured settlement company or third-party purchaser.

The identification of the underlying contract must include the contract date, the original parties, the subject matter, and any amendments or modifications. The specific rights, obligations, or interests being assigned must be clearly described to avoid ambiguity about what is transferred and what is retained.

The assignment clause must use present-tense operative language to effectuate an immediate transfer. The scope should specify whether the assignment is complete (all rights and obligations) or partial (specific rights only). If the assignor is also delegating duties, the assumption clause must clearly state the assignee's agreement to perform those duties.

Consent of the non-assigning party (the obligor) should be addressed. If the underlying contract contains an anti-assignment clause, the obligor's written consent is typically required. The agreement should include the obligor's consent signature or reference a separate consent document. Notice to the obligor is necessary to ensure that performance is directed to the assignee rather than the assignor.

Representations and warranties from the assignor should confirm that the underlying contract is valid and in full force, that no defaults exist, that the assignor has the right to assign, and that the rights have not been previously assigned or encumbered. The assignor should warrant that no claims or disputes are pending regarding the assigned rights.

Consideration for the assignment must be stated, whether monetary, an exchange of mutual promises, or part of a larger transaction. The agreement should specify the effective date of the assignment and address the transition of any ongoing obligations, including proration of payments and delivery of related documents and records.

The agreement should include indemnification provisions allocating liability for pre-assignment and post-assignment obligations, governing law, dispute resolution mechanisms, and provisions for further assurances requiring the assignor to execute additional documents as needed to perfect the assignment.