How much does it cost to file mandamus?

Asked by: Mr. Ignacio Gleichner II  |  Last update: April 3, 2026
Score: 4.9/5 (43 votes)

The cost for a writ of mandamus varies significantly but generally includes a $400-$600 federal court filing fee plus $3,000 to over $10,000 in attorney fees, depending on case complexity, with total costs potentially reaching $5,000 to $20,000, covering legal work, service, and potential appeals. Costs break down into court fees, lawyer fees (often flat-rate for immigration cases), and other expenses like service of process, making it a substantial investment for forcing agency action, say Gozel Law Firm.

How much does a mandamus lawsuit cost?

On average, you can expect attorney fees for a mandamus lawsuit to range from $5,000 to $15,000 or more, depending on the circumstances.

Can I file my own writ of mandamus?

Technically, you can file a Mandamus lawsuit on your own, but working with an experienced immigration attorney is strongly recommended. Mandamus cases involve federal court procedures, strict filing rules, and specific jurisdiction requirements that are difficult to navigate without legal training.

Is mandamus worth it?

For many stuck in administrative limbo, the answer is yes—a mandamus lawsuit can be a game-changer. It's particularly worth considering if: Your case has been pending far beyond normal timelines. You've exhausted all other remedies without success.

Is a writ of mandamus difficult to get?

A writ of mandamus can potentially be very disruptive and because of that reason, most judges are extremely reluctant to grant these writs unless they are absolutely necessary.

How Much Will It Cost To File Or Threaten A Mandamus?

30 related questions found

How long does a mandamus lawsuit take?

If you're considering filing a mandamus lawsuit, it's crucial to understand the timeline involved. While there's no hard and fast rule, most mandamus attorneys recommend waiting at least 6-12 months beyond the average processing time for your specific type of application before taking legal action.

Who may apply for mandamus?

A person in good faith who has an interest in the public authority doing its duties must file a writ petition for mandamus. The individual requesting mandamus must have the legal right to do so and must also have demanded that the duty be performed but been rejected by the appropriate authorities.

Is $400 an hour a lot for a lawyer?

Yes, $400 an hour is a significant rate for a lawyer, often reflecting experience, specialization, and location, falling at the higher end of average rates ($100-$400+) but can be standard or even considered a "deal" for highly specialized work in major cities, while being quite expensive in other areas or for less complex cases. Factors like the firm's size, location (big city vs. rural), the lawyer's expertise (e.g., corporate, IP vs. family law), and case complexity greatly influence this rate. 

What are the odds of winning a lawsuit?

Most lawsuits, especially personal injury cases (around 90-95%), settle out of court, but for those that go to trial, plaintiffs win about 50% of the time, with success rates varying significantly by case type (e.g., car accidents are higher, medical malpractice lower) and dependent on strong evidence, clear liability, and experienced legal representation.
 

What kind of cases use mandamus?

In federal courts, these orders most frequently appear when a party to a suit wants to appeal a judge's decision but is blocked by rules against interlocutory appeals. Instead of appealing directly, the party simply sues the judge, seeking a mandamus compelling the judge to correct their earlier mistake.

How long to wait before filing a writ of mandamus?

In many cases, you can file a writ of mandamus after just six months of waiting, even if the government's published processing times are much longer. For example, the average wait time for Form I-751 to remove conditions is currently 21.4 months, but you don't have to wait that long to take legal action.

What is the success rate of the writs of mandamus?

Mandamus lawsuit success rates are generally considered high (often cited as 70-95%+ for immigration delays), with many cases seeing positive movement or resolution after filing, though there's no single official statistic, as outcomes vary widely based on case specifics, jurisdiction, and attorney skill. Many lawsuits prompt the agency to act, resolving the issue before a court decision, often within months, especially for applications with quicker processing times like EADs.
 

How to submit mandamus?

This involves a formal process of filing a notice and serving the Department of Justice (DOJ). Next, we prepare and file a legal factum that outlines your personal situation and our legal arguments to obtain a writ of mandamus. We provide the supporting documents to substantiate our arguments.

Is $10,000 a lot for a lawyer?

Lawyers typically charge retainer fees ranging from $1,000 to $5,000, depending on their experience, location, and case complexity. For more complex cases, retainers can exceed $10,000. The specifics are outlined in a retainer agreement, which may be refundable or non-refundable.

What is the most expensive part of a lawsuit?

The most expensive parts of litigation are typically discovery (gathering evidence, depositions) and trial preparation/trial, often consuming up to 90% of total costs in complex cases, driven primarily by high attorney fees and the cost of expert witnesses. While attorney fees are the biggest single expense, the intensive, time-consuming nature of discovery and trial logistics make those phases incredibly costly, with trials themselves potentially costing tens of thousands weekly.
 

What happens after filing mandamus?

Case Adjudication: In many instances, filing a mandamus lawsuit prompts USCIS to take action on your case and adjudicate it promptly. You may receive a decision on your application or petition, which could result in an approval or denial.

How much of a 30K settlement will I get?

From a $30,000 settlement, you'll likely receive significantly less, with amounts depending on attorney fees (often 33-40%), outstanding medical bills (paid from the settlement), case expenses, and potentially taxes, with a realistic take-home amount often falling into the thousands or tens of thousands after these deductions are covered, requiring a breakdown by your attorney. 

What is the hardest lawsuit to win?

The hardest cases to win in court often involve high emotional stakes, complex evidence, or specific defenses like insanity, with sexual assault, crimes against children, and white-collar crimes frequently cited as challenging due to juror bias, weak physical evidence, or technical complexity. The insanity defense is notoriously difficult because it shifts the burden of proof and faces public skepticism. 

How do you know if you have a strong case?

While there are no guarantees, here are five signs that you have a strong personal injury case.

  • Irrefutable Evidence. ...
  • Medical Records Document Your Injuries. ...
  • You Were Injured After Someone's Negligent Act. ...
  • You Haven't Inadvertently Harmed Your Case. ...
  • History of a Similar Event or the Defendant Admits Fault.

Is it better to have an attorney or a lawyer?

Neither is inherently "better"; the choice between a lawyer and an attorney depends on your needs, as an attorney is a specific type of lawyer who is licensed to practice in court, while a lawyer is a broader term for someone with legal training, potentially including those who only offer advice or work outside the courtroom. If you need court representation, you need an attorney; for general advice or document help, a lawyer might suffice, but an attorney offers the full scope of services, including courtroom advocacy. 

Do lawyers make $500,000 a year?

Yes, many lawyers earn $500,000 or more annually, especially Big Law partners, senior corporate counsel, specialized litigators, and successful solo practitioners in high-value fields like IP or medical malpractice, though this is not the norm for all attorneys, with median salaries being much lower. Reaching this income level requires specialization, strategic business growth, marketing, and often working in major markets, with top-tier law firms (Big Law) offering high starting salaries and significant bonuses that can push senior associates past the $500K mark.
 

Are there hidden costs when hiring a lawyer?

Contingency fees.

A contingent fee arrangement means that your lawyer gets a percentage of whatever money you receive as resolution of your case. If you receive no money, then your lawyer collects no fees. However, you may owe charges for court fees, copying, and hiring expert witnesses.

How long does a mandamus take?

How long does a mandamus lawsuit take to get a USCIS decision? Once a writ of mandamus is filed, the government typically has 60 days to respond. Many applicants receive a decision shortly after, but the exact timeframe depends on the case complexity and USCIS's workload.

Can I file a writ of mandamus by myself?

While you can file a writ of mandamus by yourself, it is not recommended unless you are comfortable with legal writing, federal court procedures, and immigration law. Even small errors in your petition can lead to delays or case dismissal.

What happens if a writ of mandamus is ignored?

If a writ of mandamus is ignored, the court can hold the non-compliant public official or body in contempt of court, leading to penalties like fines, imprisonment, or other sanctions, while potentially triggering further legal action, including appeals or criminal contempt proceedings, though often the lawsuit itself prompts the government to act to avoid these consequences.