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FEDERAL LITIGATION

Federal Immigration Litigation

When the government will not move, we move the government.

A federal court brief and reading glasses on an attorney's desk

Sometimes the problem is not your case. It is the agency sitting on it, a decision that ignored the law, or a detention that the law does not permit. Federal litigation is how an immigration lawyer pushes back: a writ of mandamus to compel a decision on a case that has waited far too long, a lawsuit under the Administrative Procedure Act to challenge unlawful agency action, and habeas corpus when someone is being held unlawfully. This is the most technical end of immigration practice, few firms in South Florida or Atlanta do it, and it is the work our founding partner built her practice around.

Delay has a legal remedy, and so does a wrong decision. If your case has been pending far beyond normal processing times, or a loved one is in detention, call +1 (888) 353-8307.

THE BASICS

Suing the government, lawfully and precisely

Three federal tools
Writ of mandamusasks a federal judge to order the agency to decide a case it has unreasonably delayed.
APA lawsuitasks a federal judge to set aside agency action that is arbitrary, capricious, or contrary to law.
Habeas corpusasks a federal judge to review whether a person's detention is lawful.

Most immigration work happens inside the agencies: forms, interviews, hearings, appeals. Federal litigation steps outside that system. It is a lawsuit, filed in a United States District Court, with the government as the defendant. You are no longer asking the agency to be reasonable. You are asking a federal judge to require it.

That changes the dynamic completely. An application can sit in a pile. A federal complaint cannot: the United States Attorney's Office must respond to it on a court's schedule, not the agency's. Litigation is not the right tool for every case, and it is not a shortcut around the law. But when the government is the obstacle, it is often the only tool that gets a case moving again.

DELAYED TOO LONG

Mandamus: forcing a decision on a stalled case

Some cases do not get denied. They simply stop. An application sits past every posted processing time, inquiries go nowhere, and the years accumulate while a family, a job, or a future waits. A writ of mandamus is the federal remedy for exactly this: a lawsuit asking a district judge to order the agency to do the duty the law already assigns it, which is to decide the case.

It is worth being precise about what a mandamus action does. It does not tell the agency what answer to give, and no lawyer can promise an approval. It asks the court to end the silence, so that your case is decided rather than shelved. For naturalization applicants there is an additional, sharper tool: when USCIS fails to decide within 120 days of the naturalization examination, the law allows the applicant to take the question to the district court itself.

Whether a delay is long enough to sue over depends on the case type, the posted processing times, and the reasons for the delay. That is a judgment call, and it is exactly what we assess in a consultation: honestly, against the current numbers, before you spend anything on litigation.

WRONGLY DECIDED

APA lawsuits: when the decision ignored the law

The Administrative Procedure Act is the law that governs how federal agencies must behave. When an agency decision is arbitrary, capricious, an abuse of discretion, or otherwise not in accordance with law, the APA gives the person harmed a path into federal court to challenge it.

In immigration practice that can mean a petition denied on reasoning the record does not support, a policy applied to your case that the law does not authorize, or a decision that simply never engaged with the evidence you submitted. An APA suit puts that decision in front of a federal judge, on the administrative record, with briefing on whether the agency followed the law.

This is record-based, writing-driven litigation, and the standards of review are technical. Not every denial can be challenged this way, and part of our job is telling you plainly when it cannot. When it can, an APA suit is one of the few ways to make an agency answer for its reasoning in a forum it does not control.

UNLAWFULLY DETAINED

Habeas corpus: when detention itself is the emergency

Habeas corpus is the oldest remedy in American law: the right to make the government justify, in front of a judge, why it is holding a person. In immigration, habeas petitions are filed in federal district court to challenge detention that has become unlawful, most often because it has stretched on far beyond what the law and the Constitution allow, or because the legal basis for the custody is wrong.

These cases move on a human clock. Someone is in a facility while the papers are drafted, so we treat habeas work with the urgency it deserves: the record assembled fast, the petition filed clean, and the family kept informed in their own language at every step. If a person you love is detained and the weeks are turning into months without a hearing or an answer, the situation deserves a federal judge's attention, and there is a lawful way to ask for it.

01

The record is assembled

02

A complaint or petition is filed in U.S. District Court

03

The government must respond on the court's schedule

04

The case is decided, resolved, or ordered forward

APPEALS, KEPT IN-HOUSE

Still a full appellate practice

Federal litigation and appellate work are close cousins, and we keep both in-house. If an immigration judge ruled against you, the appeal to the Board of Immigration Appeals generally must be filed within 30 days of the decision, a deadline that is strict and unforgiving. If the Board rules against you, a Petition for Review can take the case to a United States Court of Appeals.

Motions to reopen and reconsider

Sometimes the right tool is not an appeal but a motion to the body that decided the case: a motion to reopen when there are new facts or new evidence that was not available before, or a motion to reconsider when the decision applied the law incorrectly to the record it already had. Both carry tight time and number limits, and choosing the wrong vehicle can waste a deadline you cannot get back.

Why this matters to a federal case

The remedies interact. Whether to appeal, move to reopen, or sue is a strategy decision, and it should be made by counsel who practices in all three arenas. That is the point of keeping this work under one roof: your case does not lose time, or momentum, to a hand-off.

A DISTINCT DISCIPLINE

Why federal work is not just another filing

People sometimes assume federal litigation is the same immigration lawyer using a different form. It is not. It is litigation against the United States, and hiring for it deliberately is one of the most consequential decisions a stuck or wrongly decided case can make.

The defendant is the government

Your opponent is represented by the United States Attorney's Office. The rules are the Federal Rules of Civil Procedure, the forum is a district court, and precision is not optional.

It is won in writing

Complaints, petitions, and briefs carry these cases. The work is identifying the legal duty or the legal error and proving it on paper to a judge who reads closely.

Deadlines and doctrine are unforgiving

Exhaustion, jurisdiction, standards of review, statutes of limitation. Federal practice is a discipline of moving quickly and correctly, because procedural mistakes can end a meritorious case.

Silence stops being free

Once a complaint is filed, the government must answer on a court's timetable. Many long-stalled cases receive a decision after filing. No outcome is ever guaranteed, but the waiting ends.

WHY DELGADO PURDY LAW

Litigation capability most firms in this market do not offer

Case file
Founding partner on the briefJacqueline Delgado leads this practice personally, not a hand-off
Appellate experienceargued before the Florida Third and Fourth District Courts of Appeal
Federal reachU.S. District Courts, the BIA, and Petitions for Review
Four languagesEnglish · Spanish · Portuguese · French

Federal litigation is not a service we added to look complete. It is part of what this firm was built to do. Our founding partner, Jacqueline Delgado, has argued appeals before the Florida Third and Fourth District Courts of Appeal and built her practice around the harder, more technical end of immigration law: the mandamus actions, APA challenges, habeas petitions, and appeals that most firms in South Florida and Atlanta refer out. We keep them in-house.

You also get senior counsel and no translation gap. A founding attorney handles your federal case directly, and we work in English, Spanish, Portuguese, and French. When the government is the opponent and the record is everything, you want a firm that already knows this terrain and files without hesitation.

CLIENT REVIEWS

Reviews from clients who needed more than a filing.

Real Google reviews from our Boynton Beach and Lake Worth offices, across every kind of case we handle. Every card links back to the profile it came from, so nothing here has to be taken on faith.

“Thais is an amazing lawyer and person, and because she’s Brazilian too, our communication was great! During the process she was always there to answer the questions about my immigration process in minutes! She really helped me and clarified everything when I needed. I highly recommend her!”

Deborah Z.

Rio de Janeiro, Brazil · Boynton Beach

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“Delgado Law Group has done a great job on my family’s immigration case. They have been much more professional and productive than our prior legal team. We really appreciate their support.”

Haydee Cedeño

7 months ago · Lake Worth

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“Thais was awesome and has great communication. I was having trouble getting my wife’s visa with another lawyer. Thais stepped in and got it done right away. She made our case a priority and I highly recommend hiring her. She turned our stressful situation into an easy one.”

David R.

Honolulu, HI · Boynton Beach

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“Amazing job on my case! Amazing service overall! Jackie knows her stuff and will fight hard for you and your case! I am satisfied and would highly recommend! Thank you Jackie and her office for everything.”

Mimi M.

a year ago · Lake Worth

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“After two frustrating experiences with other lawyers here in Florida, we finally found someone who would give us all the legal and emotional support to face this difficult and long-awaited dream. Thais Arsolino helped us overcome the fears and challenges of our EB-3. She guided our process from start to finish with dedication. Thank you for being a fundamental part of this achievement for our family!”

Bruna Loyola

Florida · Boynton Beach

Translated from Portuguese.

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“Ms. Delgado is the best lawyer ever. Helped my whole family and can’t thank her enough. God bless Ms. Delgado and her whole crew.”

Manuel Francisco

10 months ago · Lake Worth

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“I would recommend this law office over any other in the South Florida area. The care and attention I have received here is unlike any other. When you call, you get to speak with the actual attorney, not an assistant or paralegal.”

Ryan B.

Miami, FL · Boynton Beach

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“Thais was always available for my calls and messages. I was surprised at how quickly she and her staff responded to my concerns. I’m happy to say that my case is now over and I can move on with my life.”

Maria F.

Jupiter, FL · Boynton Beach

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“No words for the professionalism. I recommend Purdy to everyone. I especially thank Thais, an undisputed professional.”

Lailson Lesbao

Brazil · Boynton Beach

Translated from Portuguese.

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These are real reviews from real clients, published with their permission. Every immigration case turns on its own facts. A prospective client may not obtain the same or similar results.

FEDERAL LITIGATION FAQS

Questions people ask when the government stops answering

A writ of mandamus is a lawsuit filed in federal district court asking a judge to order a government agency to perform a duty the law requires of it. In immigration, that duty is usually deciding a case: an application or petition that has been pending far beyond normal processing times. A mandamus action does not ask the court to approve your case, and it cannot guarantee an approval. It asks the court to end the delay, so the agency decides instead of leaving you in limbo. For many long-stalled cases, that alone changes everything.

There is no fixed number of months written in the statute. Courts weigh whether the delay is unreasonable in light of the case type, the agency's posted processing times, the reasons the government gives, and the harm the wait is causing you. A case a few weeks past the posted range is usually premature. A case pending years beyond it is a different conversation. In a consultation we compare your timeline against the current published processing times and tell you honestly whether a mandamus action is viable or whether patience, or a different remedy, serves you better.

This is the most common fear, and it deserves a straight answer. Filing a lawsuit is a legal right, and the agency is required to decide your case on the law and the record, not on whether you sued. What a lawsuit does is force a decision: if your underlying case is weak, the decision that finally arrives can be a denial, and litigation does not change the merits. That is why we review the underlying case honestly before filing, and tell you plainly whether forcing a decision is actually in your interest.

The Administrative Procedure Act allows a person harmed by final agency action to ask a federal court to set that action aside when it is arbitrary, capricious, an abuse of discretion, or otherwise contrary to law. In immigration practice, APA suits are used to challenge denials and agency policies that the record or the statute does not support. The case is decided on the administrative record, through written briefing, which makes it a discipline of close reading and precise argument. Not every denial can be challenged under the APA, and we will tell you when yours cannot.

Habeas corpus is a petition filed in federal district court asking a judge to review whether a person's detention is lawful. In immigration, it is most often used when detention has become prolonged without a meaningful review, or when the legal basis for the custody is wrong. It is not a challenge to the underlying immigration case: it is a challenge to the custody itself. Because someone is in a facility while these cases move, we treat habeas matters with real urgency, and we keep the family informed in their own language throughout.

Yes. The appeal to the Board of Immigration Appeals generally must be filed within 30 days of an immigration judge's decision, and that deadline is strict: missing it can end the right to appeal no matter how strong the argument. If the Board rules against you, a Petition for Review can take the case to a United States Court of Appeals on its own short, jurisdictional deadline. We handle both, along with motions to reopen and reconsider, so a case can move upward without losing time to a referral.

The government is served, and the United States Attorney's Office must respond on the court's schedule. In delay cases, a substantial share resolve without a trial: the agency issues the decision the lawsuit asked for, and the case ends. In others, the government defends, the parties brief the issues, and the judge rules. Timelines vary by court and case type, and we will give you a realistic picture for your district and your posture before you commit, not after.

THE CLOCK IS ALREADY RUNNING

Delay is not an answer. Neither is a wrong one.

Schedule a consultation and we will read your file closely, tell you honestly whether a mandamus action, an APA suit, a habeas petition, or an appeal is viable, and lay out the timeline you are working against before you commit to anything. We will do it in English, Spanish, Portuguese, or French.