Non-Compete and Non-Solicitation Agreements in Illinois: Know Your Rights Before You Sign—or Before You Quit
Many employees are handed a stack of paperwork on their first day of work. Buried among tax forms and benefit elections is often a document labeled "Non-Compete Agreement," "Restrictive Covenant," or "Confidentiality and Non-Solicitation Agreement." Some employees sign without reading it. Others don't see it until they're preparing to leave for a new job.
The good news? Illinois law places significant limits on when employers can enforce non-compete and non-solicitation agreements.Simply because you signed an agreement does not mean it is legally enforceable.
If you're changing jobs, starting your own business, or have been threatened with legal action by a former employer, understanding your rights is critical.
What Is a Non-Compete Agreement?
A non-compete agreement restricts where you can work after leaving your employer.
For example, it may attempt to prohibit you from:
Working for a competitor
Starting your own competing business
Working within a certain geographic area
Working in a similar industry for a period of time
These agreements can have a significant impact on your ability to earn a living, which is why Illinois law closely regulates them.
What Is a Non-Solicitation Agreement?
A non-solicitation agreement is different.
Instead of preventing you from working elsewhere, it typically limits your ability to:
Contact former customers or clients
Recruit former coworkers
Solicit employees to join your new employer
Pursue business opportunities developed while employed
Non-solicitation agreements are often broader than employees realize and may still be enforceable even if a non-compete is not.
Illinois Law Protects Employees
The Illinois Freedom to Work Act places some limits on when employers may require or enforce non-compete and non-solicitation agreements.
While Illinois law imposes some limitations, these agreements are enforceable when drafted correctly and in compliance with the law.
Not Every Employee Can Be Required to Sign
Illinois law generally prohibits employers from entering into non-compete and non-solicitation agreements with employees earning less than the statutory compensation threshold (which is adjusted periodically under state law).
Because these thresholds change over time, determining whether an agreement is valid often requires reviewing both your compensation and when the agreement was signed.
Your Employer Must Give You Time to Review
Illinois law requires employers to provide employees with:
A copy of the agreement
At least 14 calendar days to review it before signing (although employees may choose to sign sooner)
Written notice advising the employee to consult with an attorney before signing
If these requirements were not followed, it may affect whether the agreement can be enforced.
A Signed Agreement Is Not Automatically Enforceable
One of the biggest misconceptions is: "I signed it, so I'm stuck."
That simply isn't true. Illinois courts evaluate numerous factors before enforcing a restrictive covenant.
Among other things, courts consider whether the restriction is:
Necessary to protect a legitimate business interest
Reasonable in duration
Reasonable in geographic scope
Narrowly tailored to protect the employer
Consistent with public policy
If an agreement goes too far, a court may refuse to enforce all or part of it.
Common Red Flags
Some agreements attempt to prohibit employees from:
❌ Working anywhere in the industry
❌ Working nationwide
❌ Contacting anyone the employee ever met
❌ Recruiting coworkers indefinitely
❌ Competing for several years
Restrictions like these may be vulnerable to legal challenge depending on the facts.
What About Confidential Information?
Employers have legitimate interests in protecting:
Trade secrets
Proprietary business information
Customer pricing
Marketing strategies
Source code
Product designs
Confidential client information
Even if a non-compete is unenforceable, employees generally cannot take or misuse confidential or proprietary information belonging to their employer.
Knowing the difference between protecting confidential information and unlawfully restricting competition is an important part of evaluating these cases.
Can My Employer Stop Me From Taking a New Job?
Not necessarily. Employers often send cease-and-desist letters or threaten lawsuits after an employee accepts a new position. These threats do not automatically mean the employer will win.
In many cases:
The agreement is unenforceable.
The restrictions are overly broad.
The employer waited too long to act.
The employee's new role does not violate the agreement.
The employer cannot demonstrate a legitimate business interest that justifies enforcement.
Every case depends on its specific facts.
What If I Already Signed?
Do not assume you have no options.
Before turning down a new opportunity, consider speaking with an employment attorney.
An attorney can review:
The language of your agreement
Your job duties
Your compensation
The circumstances surrounding your employment
Whether the employer complied with Illinois law
Whether the restrictions are likely enforceable
Many employees discover their agreement is far less restrictive—or far less enforceable—than they were led to believe.
Can My Employer Fire Me for Refusing to Sign?
The answer depends on the circumstances.
Employers often require restrictive covenant agreements as a condition of employment or continued employment. However, whether an agreement is enforceable is a separate question from whether an employer can require it.
If you are presented with a restrictive covenant after you've already started working, you should understand your legal rights before signing.
Frequently Asked Questions
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Yes, but they are much more limited than they were several years ago. Illinois law restricts when employers may require and enforce these agreements.
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Sometimes. Although they are generally viewed as less restrictive than non-competes, they must still comply with Illinois law and be reasonable under the circumstances.
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Possibly. Many employees legally move to competing companies every day. Whether your agreement prevents that depends on its language, your job duties, and whether the restrictions are enforceable.
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Whether adequate consideration exists is an important issue under Illinois law. Continued employment alone is not always enough, and courts evaluate the circumstances of each case.
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A threatening letter from a former employer can be intimidating—but it is not the final word.
Before abandoning a job offer, delaying your career, or assuming a restrictive covenant is enforceable, have the agreement reviewed by an experienced employment attorney. You may have far more options than you think.
At Luisi Law, we represent employees—not employers—in disputes involving:
Non-compete agreements
Non-solicitation agreements
Temporary restraining orders
Preliminary injunctions
Employment contracts
Restrictive covenants
Trade secret claims
Wrongful termination
Retaliation
Whether you're considering a new opportunity or have already received a demand letter, we're here to help you understand your rights and protect your career.
Contact Luisi Law
Whether you're considering a new opportunity or have already received a demand letter, we're here to help you understand your rights and protect your career.