Can a former employer retaliate with a bad reference or blacklisting?
Potentially. Retaliation protections can continue after employment ends. A former employer may give a truthful, non-retaliatory reference or follow a neutral reference policy. But it may be unlawful to give a false negative reference, interfere with a new job, blacklist a former employee, or otherwise damage future employment because the person reported discrimination, harassment, retaliation, or engaged in another protected activity.
The key question is not simply whether the reference was negative. It is why the former employer gave it and whether the evidence connects the action to protected activity.
Jurisdiction note: This article provides general information for employees and former employees in New Jersey and Pennsylvania and is not legal advice. Retaliation rights depend on the law involved, the protected activity, the employer’s motive, and the evidence connecting the post-employment action to that activity.
Five questions to ask about a bad reference
- What protected activity came first? Identify the discrimination, harassment, accommodation, wage, leave, whistleblower, or agency complaint.
- Who knew? Determine whether the person giving the reference knew about that protected activity.
- What was said or done? Separate an ordinary negative opinion from a false statement, blacklist, threat, or interference with a new job.
- How did the employer normally handle references? A departure from a neutral-reference policy may matter.
- What happened to the new opportunity? Preserve recruiter messages, offer withdrawal notices, reference requests, and timing.
Retaliation protection can continue after you leave
Federal anti-discrimination law protects former employees as well as current employees. The U.S. Supreme Court held in Robinson v. Shell Oil Co. that Title VII’s anti-retaliation protection reaches former employees. The EEOC gives a straightforward example: a former employer cannot give a false negative reference to punish a former employee for making an EEO complaint.
That does not mean every negative reference is illegal. A former employer may be able to provide truthful information, honestly describe documented performance problems, confirm that an employee is ineligible for rehire under a neutral rule, or follow a standard policy limiting references to dates and positions.
What can post-employment retaliation look like?
What protected activity can support a retaliation claim?
Protection depends on the statute involved. Examples can include:
- reporting sexual harassment or discrimination;
- filing or participating in an EEOC, NJ DCR, PHRC, or PCHR matter;
- requesting a disability accommodation;
- complaining about protected FMLA rights;
- asserting qualifying wage-and-hour rights;
- participating in an investigation;
- supporting a coworker’s discrimination complaint; or
- qualifying whistleblower activity.
Not every complaint is legally protected. A general complaint that a supervisor was “unfair” or “mean” may not invoke an anti-discrimination or retaliation statute unless the employee connected it to a protected right.
How do you prove the reference was retaliatory?
Most former employees do not receive a copy of the reference conversation. The proof may come from circumstantial evidence.
1. Protected activity
Preserve the original HR complaint, agency charge, accommodation request, wage complaint, leave issue, whistleblower report, or investigation participation.
2. Knowledge
Identify who knew about that activity and who later communicated with the prospective employer. A retaliation theory is stronger when the decision-maker or reference giver knew about the protected conduct.
3. A materially harmful post-employment action
A false negative reference, interference with an offer, blacklisting, or similar conduct may qualify when it could deter a reasonable person from asserting protected rights.
4. Causal connection
Evidence may include timing, threats, departures from the employer’s reference policy, false statements contradicted by records, different treatment of other former employees, or comments connecting the reference to the complaint.
Read Swartz Swidler’s guide on how to prove workplace retaliation for the broader causation framework.
What if the reference is truthful?
Truthful information is different from retaliation. An employer does not have to provide a positive reference simply because the employee engaged in protected activity.
For example, a former employer may have legitimate records showing:
- documented performance problems;
- attendance issues unrelated to protected leave;
- discipline imposed before protected activity;
- misconduct;
- a neutral no-rehire designation; or
- a company-wide policy of giving only basic employment verification.
The issue is whether the employer honestly followed the same standards it would have used without the protected activity.
How can you find out what a former employer said?
Do not impersonate another company or secretly record a call without checking applicable law. Instead, preserve lawful evidence:
- ask the recruiter whether the reference affected the decision;
- request the reason for an offer withdrawal in writing;
- save job-offer and rejection communications;
- identify the former employer contact used for the reference;
- keep copies of the former employer’s written reference policy;
- save prior positive evaluations; and
- write down what the recruiter told you, including the date and exact language you remember.
If a background-check company is involved, separate consumer-reporting issues may apply. This article focuses on employment retaliation.
What should you do if you suspect blacklisting?
- Create a timeline. List the protected complaint, separation, applications, reference checks, and lost opportunities.
- Preserve the reference policy. Compare what the company says it normally provides with what happened in your case.
- Save job-search records. Keep offer letters, recruiter texts, rejection messages, and dates.
- Preserve prior performance evidence. Save reviews, awards, metrics, and disciplinary history.
- Do not threaten the prospective employer. Ask factual questions and preserve the response.
- Check filing deadlines promptly. A post-employment act may create a separate retaliation date.
Can a former employer discuss your discrimination complaint?
That question is fact-specific. A former employer may sometimes have legitimate reasons to disclose litigation or respond to lawful requests, but selectively telling a prospective employer about a discrimination complaint in order to damage the applicant’s job prospects can raise retaliation concerns.
What about New Jersey and Pennsylvania law?
The New Jersey Division on Civil Rights explains that the NJLAD prohibits retaliation for complaining about, reporting, or cooperating in an investigation of discrimination or bias-based harassment. Pennsylvania’s PHRA likewise prohibits retaliation against a person who opposed a practice forbidden by the law or participated in a PHRC process.
Which statute applies depends on the original protected activity and the post-employment conduct.
Related Swartz resources
- How to prove workplace retaliation
- Wrongful termination attorneys
- Whistleblower retaliation
- Severance agreement review
Frequently asked questions
Can my former employer give me a bad reference?
Potentially. A truthful, non-retaliatory negative reference is not automatically unlawful. A false or selectively damaging reference given because of protected activity may raise retaliation concerns.
Does Title VII protect former employees?
Yes. The U.S. Supreme Court has held that Title VII’s retaliation protection includes former employees.
What is blacklisting?
Blacklisting generally refers to efforts to prevent a former employee from obtaining future work, such as contacting industry employers or interfering with job opportunities. Whether it is unlawful depends on motive and the law involved.
What if I lost a job offer after a reference check?
Preserve the offer, the reference-check date, the rescission message, recruiter communications, and the identity of the former-employer contact.
Can my former employer say I filed an EEOC charge?
The context and purpose matter. Disclosing protected activity to damage future employment may support a retaliation claim.
What if the former employer follows a neutral reference policy?
Consistent use of a neutral policy may support the employer. A selective departure from that policy may be relevant evidence.
Can retaliation happen months after I leave?
Potentially. Timing is one piece of evidence, but later post-employment retaliation can still be actionable when causation can be shown.
Should I ask a friend to pose as an employer?
Do not use deception or recording tactics without legal advice. There are safer ways to preserve recruiter and reference evidence.
Can a bad reference also be defamation?
Possibly, but defamation uses separate state-law standards and defenses. Swartz Swidler focuses on the employment-law consequences of retaliatory references and blacklisting.
When should I contact an employment lawyer?
Consider advice when a job offer disappears after a reference check, a former manager threatened your career, or you have evidence that the former employer departed from its normal reference practice after protected activity.
Talk with Swartz Swidler about post-employment retaliation
Losing a job should not give a former employer permission to punish you for asserting workplace rights. Swartz Swidler represents employees and former employees in New Jersey, Pennsylvania, Philadelphia, and South Jersey in retaliation, wrongful termination, discrimination, whistleblower, wage, leave, and related employment matters.







