How long is a letter of intent valid?

Asked by: Daniela Fay  |  Last update: April 10, 2026
Score: 4.1/5 (52 votes)

Typically, the terms outlined in Letters of Intent indicate the length of validity for the offer they represent. This validity period can range from 72 hours to two weeks or be linked to specific events, depending on the party making the offer.

How long is a letter of intent good for?

How long is a letter of intent good for? Because letters of intent are usually the first step in a longer negotiation period, they typically have an expiration date of three to four days.

Do letters of intent expire?

Letter of intent: Key takeaways

It is a precursor to a formal contract. But it may include some binding provisions. So always have it reviewed by your attorney. It does expire, but you can negotiate its expiration date.

How long does a letter of intent last?

The stakes are high because once you sign an LOI, you typically can't shop your business to other buyers. You're committed to this path, with this buyer, for the next 45-90 days. That's why understanding what goes into an LOI—and avoiding common pitfalls—is crucial for any founder planning to sell their business.

How legally binding is a letter of intent?

Letters of Intent are usually intended to be non-binding "agreements to agree," which confirm and solidify handshakes.

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How serious is a letter of intent?

An LOI is a written outline showing that two or more parties want to proceed with a business deal. It's often used in real estate, partnerships, or company sales to show serious intent without locking anyone into a final agreement. It doesn't always create legal obligations—but it does set the tone.

What are the risks of using a LOI?

An LOI should balance detail and flexibility. However, overly vague terms—such as “reasonable,” “industry standard,” or “subject to further discussion”—can lead to misunderstandings and disputes. Ambiguity allows one party to reinterpret the LOI to their advantage during negotiations.

What are common mistakes in letters of intent?

The first key mistake in an LOI is over-promising and changing deal terms after signing the LOI. For example, the LOI promises a 15-mile non-compete but the purchase agreement demands 40 miles, or the LOI specifies a stock sale but you push for an asset sale.

Can you back out after signing a letter of intent?

The Letter of Intent says “non-binding” (which means it's not a contract and either side could back out without repercussions), so what is the harm in signing? In most cases, a Letter of Intent will be, at least in part, non-binding on both parties.

What are the disadvantages of a letter of intent?

One of the issues with an LOI occurs when work goes beyond the authorised scope or expiry date. While practically speaking this is understandable – everyone wants to work in good faith to keep the works progressing while the main contract is negotiated – it can lead to disputes should negotiations stall.

What should you avoid in a letter of intent?

Here are four pitfalls to steer clear of.

  • Ignoring the possibility of breaching the agreement. An LOI is a nonbinding document, but that doesn't mean you can treat the document casually. ...
  • Overcomplicating the document. ...
  • Not having the reader in mind. ...
  • Using sample content from a template.

How long can a letter of intent be backdated?

The letter of intent may be backdated up to 90 days from an initial purchase. Should the investor fail to invest the stated sum, they will be charged a sales charge adjustment.

Can a letter of intent be revoked?

A: Yes, unless specific binding clauses state otherwise. However, revoking an LOI after extensive negotiations may harm business relationships.

What is the legal effect of a letter of intent?

Most of the time, the overall LOI is non-binding—meaning either party can walk away before signing a final agreement. But certain provisions within the LOI, like confidentiality, exclusivity, or how long the LOI remains in effect, are often binding and legally enforceable.

Can I use a 2 year old letter of recommendation?

Maybe you decided you didn't want to apply, or for whatever reason, you have a letter that is dated not in the year you are applying, ask for that letter to be updated to the year you're applying. For instance, if you're applying in 2022, you want the letter of recommendation to be dated in 2022 as well.

How long from LOI to close?

Often for private companies, it's very short. You just need to get shareholder approval. For public companies, companies that require HSR approval, that could take many months, potentially even more than six months to get close. But from LOI to closing, we generally target around 30 to 60 days.

Is a letter of intent legally binding?

A letter of intent is a document outlining the intentions of two or more parties to do business together; it is often non-binding unless the language in the document specifies that the companies are legally bound to the terms.

Can you decommit after signing a LOI?

After signing an LOI, it is possible to break that promise if you cannot agree on the particulars of the deal; however, it is not advisable to do so in most situations.

Can an LOI be canceled?

A Letter of Intent (LOI) can generally be terminated or rescinded, as it is typically a non-binding document. Since an LOI is not a legally binding agreement, either party may decide to terminate or rescind the LOI at any time for any reason, without penalty or legal consequence.

Can you sue over a letter of intent?

A LOI can agree that parties will agree and execute another, more comprehensive agreement later on. If the parties don't execute that later agreement, the LOI may allow an aggrieved party to sue.

How secure is a letter of intent?

Letters of intent are not a panacea for engaging a contractor on a whole project, however, and they should never be viewed as a replacement for the main contract. Communications referred to by the parties as letters of intent do not always provide clarity as to the parties' rights and obligations for the initial works.

Who signs LOI first?

Who Initiates a Letter of Intent and Who Signs it? A buyer will typically initiate a letter of intent. They may get assistance from their attorney in drafting the letter of intent. Once both the buyer and seller have come to agreement on the terms in the LOI, both the seller and the buyer will sign it.

Do you need a lawyer for an LOI?

Signing an LOI without a lawyer's review is like starting a race with your shoelaces untied—avoidable mistakes can trip you up and jeopardize your success. An experienced M&A lawyer ensures your LOI protects your interests, avoids pitfalls, and positions you for a successful transaction.

Can a LOI be broken?

Yes, it is possible to break a letter of intent. Violating an agreement could result in civil or criminal charges depending on the wording and nature of the letter itself. If one party does not adhere to the letter's conditions, the other can sue for breach of contract.

What happens after a LOI is signed?

After signing the LOI, due diligence begins in earnest. This involves a detailed examination of the seller's business, sensitive financial records, contracts, legal matters, and other relevant aspects of the deal.