What Is the Battle of the Forms? UCC §2-207 in New York
Updated: Oct 22
Updated October 22, 2026
Demystifying the 'Battle of the Forms' Under NY UCC
In commercial transactions, it's common for buyers and sellers to exchange documents like purchase orders, invoices, and confirmations, each containing their own terms and conditions. This can lead to conflicting terms, a situation known as the "Battle of the Forms."
In our practice, we're seeing more disputes over contracts drafted with AI tools. AI can produce a polished generic contract, but if you don't know what you need it to say, it may leave out the terms that protect you, and that gap has become a real source of litigation.
Understanding UCC §2-207
Acceptance with Varying Terms:
An acceptance or confirmation can operate as an acceptance even if it states terms additional to or different from those in the offer.
Between Merchants:
When both parties are merchants, additional terms become part of the contract unless:
The offer expressly limits acceptance to its own terms.
The additional terms materially alter the original offer.
Notification of objection to the additional terms has been given or is given within a reasonable time.
Material Alterations
Terms that would result in surprise or hardship if incorporated without express awareness by the other party.
Examples include clauses that negate standard warranties or drastically change remedies.
New York courts have applied this rule to forum selection clauses added to a seller's paperwork. In Orkal Industries, LLC v. Array Connector Corp., 97 A.D.3d 555 (App. Div. 2d Dep't 2012), the court held that a forum selection clause in a seller's order acknowledgment, sent in response to purchase orders, materially altered the parties' contracts. The court also noted that the party opposing an added term bears the burden of proving it is a material change. Similarly, in C. Mahendra (NY), LLC v. National Gold & Diamond Center, Inc., 125 A.D.3d 454 (App. Div. 1st Dep't 2015), the parties had negotiated the essential terms by phone and the seller's invoices only confirmed them. The court found that the New York forum selection clause in those invoices was a material alteration that the out-of-state buyer never consented to.
Resolving Conflicts
Conduct Establishes Contract:
If the parties act as if a contract exists, their conduct establishes a contract, and the UCC provides default terms for any conflicting areas.
Knock-Out Rule:
Conflicting terms may cancel each other out, and the UCC's gap-fillers apply.
For example, in Lorbrook Corp. v. G & T Industries, Inc., 162 A.D.2d 69 (App. Div. 3d Dep't 1990), the buyer's purchase orders named Michigan as the place for any lawsuit, but the seller's documents did not. The court explained that because "the writings exchanged between the parties do not agree regarding the designation of Michigan as the forum for any legal dispute between them, that provision in the purchase orders never became part of their agreement."
Key Takeaways:
Be aware that your standard forms may not be the final word in contract terms.
Review and respond to any differing terms in the other party's documents promptly.
Consider negotiating and drafting a master agreement to avoid conflicts.
Disclaimer:
This article is for informational purposes only and does not constitute legal advice. Although I am an attorney, I am not your attorney, and reading this article does not create an attorney-client relationship. For advice pertaining to your specific situation, please consult a qualified attorney licensed in your area.
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