

If Unum has denied your long-term disability claim in Pennsylvania, you generally have 180 days to file an administrative appeal, and what you submit during that window often decides the entire case. Most Unum group policies are governed by ERISA, the federal law that controls employer-sponsored benefits, which means the appeal is not a formality but your main chance to build the record.
Unum is one of the largest disability insurers in the country, and its denials tend to follow recognizable patterns. Understanding those patterns is the first step toward answering them effectively.
Most long-term disability coverage obtained through a job is governed by the Employee Retirement Income Security Act of 1974, known as ERISA. Civil enforcement runs through ERISA Section 502(a), codified at 29 U.S.C. Section 1132, and a claimant sues to recover benefits under Section 502(a)(1)(B).
ERISA strips out remedies many claimants expect. There is no jury trial and no punitive or extracontractual damages, as the Supreme Court held in Massachusetts Mutual Life Insurance Co. v. Russell. State-law bad-faith claims against the insurer on a group plan are preempted as well, under Pilot Life Insurance Co. v. Dedeaux, because ERISA’s civil enforcement scheme is meant to be exclusive. The case is usually decided by a judge rather than a jury, which is why the appeal you file with Unum is where you must make your strongest case.
Denials from any large insurer cluster around a handful of justifications, and Unum claims are no exception. Recognizing the stated reason tells you what evidence the appeal must supply.
Each reason has a counter, but only if you supply it within the appeal record rather than after the fact.
Under the Department of Labor claims-procedure regulation at 29 C.F.R. Section 2560.503-1, you have 180 days from an adverse determination to file your appeal. This is not a soft target. If you miss it, you typically lose the right to sue at all, because courts require you to exhaust the plan’s internal appeal first.
Just as important, courts generally refuse to consider evidence you did not put in front of the insurer during that administrative process. That rule means the appeal is your one opportunity to complete the record with the medical opinions, functional assessments, and vocational evidence a judge would later need to see. Treating a denial of disability insurance benefits as the start of your strongest effort, not a paperwork step, is what separates a winnable case from a lost one.
A persuasive appeal does more than disagree with the denial. It rebuilds the file so that the insurer, and later a court, sees a complete and consistent picture of why you cannot work.
That usually means updated treating-physician opinions tied to specific functional limitations, objective testing where it exists, a vocational analysis addressing the policy’s actual occupational standard, and a direct response to whatever the insurer’s reviewing doctor concluded. Where surveillance is involved, the appeal should put the clips in context rather than ignore them. An ERISA disability insurance lawyer can help assemble these pieces so they answer the denial point by point.
If the appeal fails, ERISA’s venue provision at 29 U.S.C. Section 1132(e)(2) allows suit where the plan is administered, where the breach took place, or where the defendant may be found. For a Philadelphia claimant, that typically means the United States District Court for the Eastern District of Pennsylvania, which sits at the James A. Byrne U.S. Courthouse on Market Street.
Because the court usually reviews only the administrative record, the strength of your earlier appeal carries directly into the lawsuit. There is rarely a second chance to add evidence once litigation begins.
| Feature | Unum Group plan (ERISA) | Individual Unum policy |
|---|---|---|
| Governing law | Federal ERISA | Pennsylvania contract law |
| Jury trial | Not available | Available |
| Bad-faith damages | Preempted | Possible under 42 Pa. C.S. Section 8371 |
| Appeal deadline | 180 days | Per policy terms |
| Decided on | Administrative record | Full evidence at trial |
Under ERISA, you generally have 180 days from the adverse determination to file your administrative appeal. Missing that deadline can forfeit your right to sue.
Not on a group ERISA plan, because federal law preempts state bad-faith claims. An individual policy you bought yourself may allow a bad-faith claim under state law.
Because courts usually decide ERISA cases on the administrative record, the appeal is your main chance to add the evidence a judge would later rely on.
A Unum denial is built to look final, but our team at Martin & Nelson, LLP, can help you better understand your options. We can identify the exact basis for the denial, gather the medical and vocational evidence that answers it, and file an appeal designed to hold up if the case reaches the Eastern District of Pennsylvania.
With only 180 days to respond and your entire case riding on that record, the time to act is now. Contact our Philadelphia office at (215) 731-9900 and let us start building your appeal.
Last reviewed: July 2026
This post was reviewed by Keith L. Martin, licensed in Pennsylvania since 1983.
Content is provided for informational purposes only and does not constitute legal advice. Consult a licensed Pennsylvania attorney for guidance specific to your situation.