Most employment discrimination claims live or die on timing. Under federal law, employees must file administrative charges within strict deadlines, often 45 days for federal employees or 180 to 300 days under Title VII of the Civil Rights Act. Miss the window, and the claim is barred. But there is a doctrine that lets plaintiffs reach back in time, pulling otherwise stale allegations into a live case. It is called the continuing violation doctrine, and the Seventh Circuit just gave employers a fresh reason to understand how it works.

The Basics: Discrete Acts Versus Ongoing Violations

Not every adverse employment action is created equal. Federal anti-discrimination law draws a sharp line between discrete acts and conduct that unfolds over time. Termination, failure to promote, denial of a transfer, refusal to hire: these are discrete acts, each one independently actionable. Each starts its own clock, and if an employee doesn’t file a charge within the statutory period, that act is time-barred. Period. A later filing cannot resurrect it. 

Hostile work environment claims operate differently. By their very nature, they are built from a series of events that accumulate over days, months, or even years. A single offensive remark may not be actionable standing alone, but repeated conduct can cross the line into an unlawful employment practice. The continuing violation doctrine recognizes this reality. So long as at least one act contributing to the hostile environment falls within the filing period, a court may look at the entire course of conduct for purposes of determining liability, even those events that predate the filing window. 

For employers, the takeaway is this: a hostile work environment claim can open the door to evidence that might otherwise be years old.

Shiba v. Mullin: A Textbook Lesson in Where the Doctrine Breaks Down

On May 5, 2026, the Seventh Circuit decided Shiba v. Mullin, a case that demonstrates just how far the continuing violation doctrine can be stretched before it snaps. Shiba v. Mullin, No. 24-2514 (7th Cir. May 5, 2026).

Dored Shiba was a federal immigration officer with United States Citizenship and Immigration Services (USCIS). After suffering a workplace injury in 2007, Shiba spent years on medical leave. When the agency attempted to bring him back in late 2010, his return lasted less than two months before he resumed long-term leave. A subsequent investigation by the Office of Inspector General concluded that Shiba had improperly leveraged his federal position, and the agency terminated him in August 2014.

Shiba did not contact an EEO counselor until October 2014 and did not file a formal EEOC charge until January 2015. His hostile work environment claim rested on four categories of events: (1) a supervisor’s allegedly antagonistic treatment during his brief return to work in late 2010; (2) a referral to the Inspector General in September 2011; (3) actions by OIG investigators throughout 2012 and 2013; and (4) his termination in August 2014.

Shiba invoked the continuing violation doctrine, arguing that his termination, which fell within the 45-day filing window, should pull all of these earlier events into his hostile workplace claim. The Seventh Circuit flatly rejected this argument, and its reasoning is instructive for employers everywhere.

Why Shiba’s Claim Failed: The Relatedness Inquiry

The continuing violation doctrine has limits, and the Seventh Circuit made those limits clear. The doctrine applies “only to the extent that the allegedly hostile actions are ‘part of the same claim.’“ If the later actions have no real connection to the earlier ones, or if the employer intervened to disrupt the hostile environment between them, then the events belong to separate employment practices and the plaintiff cannot recover for earlier events that were not timely exhausted.

The court identified several factors that guide this “relatedness inquiry”: 

Time. “A significant gap between alleged incidents of discriminatory harassment can sever the hostile work environment claim.” In Shiba’s case, the gaps between events spanned as long as two years. The court observed that actions “so ‘discrete in time or circumstances that they do not reinforce each other cannot reasonably be linked together into a single chain.’“ Gaps spanning multiple years, the court wrote, stretch the continuing violation doctrine “beyond any workable limit.”

Similarity of conduct. Each of Shiba’s complaints was different in kind. An allegedly hostile supervisor, a referral to an inspector general, investigative procedures, and a termination decision are not the sort of repeated, reinforcing conduct that characterizes a single hostile environment.

Different managers. The Supreme Court has recognized that whether the same individuals were responsible for the challenged conduct is relevant to whether those acts form part of a single practice. In Shiba’s case, the supervisors and decision-makers changed over time: one supervised him during his return, a second referred him to the OIG, a separate agency conducted the investigation, and a third supervisor ultimately fired him. That “different managers were responsible for the acts that form the basis of the claim is yet another strong indicator that they do not belong to the same employment practice.”

The court summed it up bluntly: “Shiba’s hostile-workplace claim rests on several discrete acts or episodes, each of which triggered its own exhaustion clock.” The termination was a discrete act, not part of a single unlawful employment practice, and the continuing violation doctrine did not apply.

Practical Guidance for Employers

Shiba is a win for the employer, but the reasoning reinforces that employers need to be diligent when responding to workplace concerns. The decision reaffirms principles that should inform how employers structure their operations and respond to workplace complaints.

Document everything, and keep clear records of who did what. The court’s emphasis on different decision-makers and gaps in time shows that well-documented, independent management decisions are harder for plaintiffs to chain together under the continuing violation doctrine. When supervisory responsibility changes or corrective action is taken between incidents, the evidentiary thread that connects those incidents weakens considerably.

Don’t assume old allegations are dead. In a true hostile work environment case, evidence of conduct from years earlier can still come in, even if the filing deadline for that specific event has passed, so long as the incidents are genuinely part of the same practice and at least one act falls within the filing period. A conclusory assertion that acts are continuing in nature is not enough to establish a continuing violation; the plaintiff must allege facts showing that the discrimination itself, not just its effects, is ongoing. But the doctrine remains a valuable tool for plaintiffs, and the best defense is a workplace free from the kind of repeated misconduct that gives the doctrine its force.

Be mindful of the “present effects” distinction. Not every lingering consequence of a past decision constitutes a continuing violation. The mere fact that a time-barred decision continues to affect an employee does not make the original act actionable. There must be a new, independently discriminatory act within the filing period.

Train supervisors to act promptly. Understanding the administrative exhaustion timeline helps employers evaluate the timeliness of complaints and assert defenses early. It also highlights the importance of prompt internal investigations, because responsive employer action between incidents can sever the link a plaintiff needs to invoke the doctrine.

The Bottom Line

The continuing violation doctrine is not going away. It remains a critical feature of employment discrimination litigation, particularly in hostile work environment claims. But Shiba v. Mullin is a reminder that the doctrine has real boundaries. For employers in the Seventh Circuit — and throughout the country — this is both reassurance and a call to action. The same good practices that protect your workforce also build a stronger defense when claims arise.