Many employees are surprised — and discouraged — when they receive a Notice of Right to Sue from the Equal Employment Opportunity Commission (EEOC) or the Illinois Department of Human Rights (IDHR). They often assume the letter means:
- the agency rejected their case,
- the government found no discrimination,
- or they no longer have a viable lawsuit.
In many situations, those assumptions are wrong.
Understanding what a right-to-sue letter actually means — and the deadlines it triggers — is extremely important because waiting too long can permanently destroy otherwise valid legal claims.
This guide walks through everything Illinois employees need to know about right-to-sue letters:
- what they are,
- what they are not,
- what deadlines they trigger,
- and how to evaluate whether filing a lawsuit is the right move.
What Is a Right-to-Sue Letter?
A right-to-sue letter is a formal notice issued by a government agency giving an employee permission to file a lawsuit in court. In most federal employment discrimination cases, an employee must first file a Charge of Discrimination with the EEOC before filing suit.
The letter is usually titled:
- “Dismissal and Notice of Rights,” or
- “Notice of Right to Sue.”
Importantly, the letter is procedural. In many cases, it simply means the agency is finished processing the charge and the employee may now proceed to court.
Before you can file most employment discrimination lawsuits, you are generally required to first file a charge of discrimination with the appropriate agency. This requirement exists because the law gives employers an opportunity to resolve the dispute through an administrative process before litigation begins. The right-to-sue letter is essentially the agency’s way of telling you: “We are done with our process. You may now take this matter to court if you choose.”
In Illinois, you may receive a right-to-sue letter from the EEOC if your claim involves a federal statute such as:
- Title VII of the Civil Rights Act of 1964,
- the Americans with Disabilities Act (ADA),
- the Age Discrimination in Employment Act (ADEA), or
- the Genetic Information Nondiscrimination Act (GINA).
Alternatively, you may receive a notice from the IDHR if your claim was filed under the Illinois Human Rights Act (IHRA).
How Do You Get a Right-to-Sue Letter?
There are several ways you may end up receiving a right-to-sue letter in Illinois. The letter usually arrives after one of the following:
- The agency completes its investigation. After you file a charge, the agency will typically investigate your claim. At the conclusion of its investigation, the agency may find:
- reasonable cause to believe discrimination occurred, or
- no reasonable cause.
In either scenario, depending on the procedural posture of the case, you may receive a right-to-sue letter.
- The agency cannot complete its investigation in time. The EEOC is notoriously backlogged, and investigations can take months or even years. If the EEOC has not resolved your charge within 180 days, you have the right to request a right-to-sue letter. Once you make that request, the EEOC will typically issue the letter, even if the investigation is not complete.3
- You request early release. Some employees want to move their case to court quickly. You can request that the EEOC issue a right-to-sue letter before the investigation concludes. While the EEOC has discretion in granting such requests, they are commonly issued. In fact, some employees intentionally request an early right-to-sue letter so they can move directly into litigation rather than waiting many months for the investigation to conclude.
- The agency dismisses your charge. If the agency determines that it will not pursue your claim because of:
- a lack of jurisdiction,
- untimeliness, or
- a finding of no reasonable cause,
it will generally issue a right-to-sue letter along with its dismissal. This allows you to pursue the matter in court on your own if you choose.
Does a Right-to-Sue Letter Mean You Have a Good Case?
Not necessarily — but it also does not mean you have a bad case.
The EEOC closes many cases without making a substantive determination because:
- the agency is understaffed,
- investigations are limited in scope,
- witnesses are disputed,
- documents are incomplete,
- or the agency simply lacks resources to pursue litigation.
Think of it this way: the right-to-sue letter is a permission slip, not a report card. It grants you access to the courthouse, but it says nothing about what will happen once you get there.
Conversely, and just as importantly, a right-to-sue letter does not mean your case is weak. Even when the agency issues a finding of “no reasonable cause,” that determination is not binding on a court. Courts evaluate discrimination claims independently, and many plaintiffs have prevailed at trial despite receiving an unfavorable determination from the EEOC or IDHR.
The agency investigation is often cursory, underfunded, and limited in scope. A full litigation process — with discovery, depositions, document production, and expert testimony — can reveal evidence that the agency never uncovered.
How Long Do You Have to File a Lawsuit?
This is the most important part of the process.
Once an employee receives a right-to-sue letter, federal law generally gives the employee only 90 days to file a lawsuit. Missing that deadline can permanently bar the claim.
Federal claims (EEOC right-to-sue letter): Once you receive a right-to-sue letter from the EEOC, you have exactly 90 days to file a lawsuit in federal or state court. This 90-day window is strictly enforced. The clock starts running on the date you receive the letter — not the date it was mailed, not the date you read it, and not the date you consulted with an attorney.
Employees frequently lose otherwise viable claims simply because:
- they waited too long,
- assumed settlement discussions paused the deadline,
- or misunderstood when the 90-day clock began.
Illinois state claims (IDHR): Under the Illinois Human Rights Act, the timeline and process differ somewhat. If the IDHR issues a dismissal for lack of substantial evidence, you have the right to:
- request review by the Illinois Human Rights Commission, or
- file a complaint directly in circuit court.
Recent amendments to the IHRA have expanded the ability of complainants to file civil lawsuits. As of recent legislative changes, individuals may file a civil action in circuit court within two years of the date of the alleged civil rights violation, or within two years of the last occurrence of a pattern of such violations. You should consult with an attorney to determine which timeline applies to your specific situation, as the procedural rules can vary depending on when your charge was filed and which track your case follows.
What Should You Do After You Receive the Letter?
Once the notice is issued, employees generally have several options:
- file a federal lawsuit,
- pursue state law claims,
- attempt settlement negotiations,
- or decide not to proceed.
Here are the steps you should take:
Step 1: Note the date you received the letter. Write it down. Mark it on your calendar. Send yourself an email confirming the date. This is the date from which your filing deadline runs, and you may need to prove it later.
Step 2: Consult with an employment attorney immediately. Do not attempt to evaluate your case on your own. Employment discrimination law is complex, and an experienced attorney can:
- assess the strength of your claims,
- identify potential obstacles,
- and advise you on the best path forward.
Many employment attorneys offer free or low-cost consultations for right-to-sue cases.
Step 3: Gather your documents. Collect everything related to your employment and your discrimination claim, including:
- your original charge of discrimination,
- the agency’s determination (if any),
- your personnel file,
- performance reviews,
- emails and text messages,
- witness names and contact information,
- medical records (if relevant to a disability claim),
- and any other documentation that supports your case.
Step 4: Evaluate your case honestly. Not every case is worth pursuing in court. Litigation is expensive, time-consuming, and emotionally draining. A good attorney will give you an honest assessment and help you weigh the potential recovery against the costs and risks of litigation.
At this stage, attorneys typically evaluate:
- whether sufficient evidence exists,
- potential damages,
- witness credibility,
- arbitration agreements,
- severance agreements,
- and whether litigation makes economic sense.
Step 5: Decide whether to file. If you and your attorney determine that your case has merit, your attorney will prepare and file a complaint in the appropriate court before your deadline expires.
Receiving a right-to-sue letter is often the point where a case transitions from administrative investigation to active litigation preparation.
What Is Better Than a Right-to-Sue Letter?
In some cases, the EEOC issues a “Letter of Determination” or “Cause Determination.” That means the agency believes there is reasonable cause to believe discrimination may have occurred.
A cause determination can be valuable because:
- it may increase settlement leverage,
- it supports litigation claims,
- and it demonstrates that the EEOC found evidence supporting discrimination allegations.
However, even a cause determination does not guarantee success in court. Likewise, many employees win lawsuits despite receiving only a right-to-sue notice and no favorable EEOC finding.
Common Mistakes People Make After Receiving a Right-to-Sue Letter
Waiting too long to act. This is by far the most common and most devastating mistake. People receive the letter, set it aside intending to deal with it later, and suddenly realize their 90-day window has closed. Once the deadline passes, your case is almost certainly dead.
Assuming the letter means they will win. The letter is procedural. It is not a guarantee of success. Plaintiffs who enter litigation with unrealistic expectations often find themselves disappointed and frustrated.
Trying to handle the case without an attorney. Employment discrimination litigation is highly specialized. Pro se plaintiffs face significant disadvantages in court. If you have a viable case, an attorney can dramatically improve your chances of a favorable outcome.
Failing to preserve evidence. Once you know you may be heading to litigation, you have an obligation to preserve relevant evidence: Do not delete emails, text messages, or documents related to your claim or if you have evidence on a work device, take steps to preserve it before you lose access.
Posting about the case on social media. Anything you post publicly can and will be used against you in litigation. Avoid discussing your case, your former employer, or your legal strategy on social media.
Do You Need a Right-to-Sue Letter for Every Employment Claim?
No. Some employment claims do not require a right-to-sue letter before filing suit. Examples may include:
- certain wage claims,
- some contract claims,
- Illinois Whistleblower Act claims,
- Equal Pay Act claims,
- and certain age discrimination claims under federal law.
Final Thoughts
A right-to-sue letter is not a finding that your case lacks merit. In many situations, it simply means the EEOC or IDHR has finished its role in the administrative process and you now have the right to proceed to court.
The most important things to remember:
- The clock starts running immediately.
- The 90-day deadline is serious.
- Waiting too long can permanently bar otherwise valid claims.
If you have received a right-to-sue letter in Illinois, do not wait. Contact an experienced employment discrimination attorney today to discuss your options, evaluate your case, and protect your rights before your deadline expires. The law provides powerful remedies for those who have been subjected to workplace discrimination — but only for those who act within the time allowed.