What Happens After We File Your Mandamus Lawsuit?

Your Mandamus lawsuit has been filed in federal court. At this point, one of the most common questions clients ask is:

What happens next?

Filing the lawsuit is an important first step, but it does not mean the government must respond immediately. Several procedural steps take place after filing, including issuance of the summons, service on the government, agency review, and, if necessary, a formal response in federal court.

This guide explains the process in simple terms, so you know what to expect after your case is filed.

1. The Federal Lawsuit Is Filed

The process begins when we file the Complaint in the appropriate U.S. District Court.

The Complaint explains the history of your immigration case, how long it has been pending, and why the delay should be addressed by the federal court.

Depending on the case, the lawsuit may involve claims under the Mandamus Act, the Administrative Procedure Act, or other applicable federal law.

The purpose of the lawsuit is generally not to ask the judge to approve your immigration application. Instead, we ask the court to require the responsible government agency to take action on a case that has been unreasonably delayed.

After filing, the federal court issues summonses for the government defendants.

2. The Government Must Be Formally Served

Filing the lawsuit and serving the lawsuit are two different steps.

After the court issues the summonses, the Complaint and summonses must be properly served on the required government offices and officials.

In a typical federal immigration case, service may include:

• The U.S. Attorney's Office for the federal district where the lawsuit was filed

• The Attorney General of the United States

• The relevant federal agencies or government officials named in the lawsuit

Federal Rule of Civil Procedure 4(i) sets specific requirements for serving the United States and federal agencies or officers.

Our office handles this process and monitors the service records.

3. When Does the 60-Day Response Period Begin?

This is one of the most important points to understand.

The 60-day government response period generally does not begin on the date the lawsuit is filed.

For federal agencies and federal officials sued in their official capacity, the Federal Rules generally provide 60 days to serve an answer after service on the U.S. Attorney.

The process usually looks like this:

Lawsuit filed → Summons issued → Government served → Response period begins

This means there may be a short period between the date your lawsuit appears on the federal court docket and the date the government's response deadline begins to run.

The exact deadline can also be affected by the defendants involved, court orders, motions, or extensions. Your legal team will monitor the actual deadline in your case.

4. What Happens During Those 60 Days?

Although the Federal Rules give the government time to respond, this period is not necessarily a period of inactivity.

Once the lawsuit reaches the appropriate government attorneys, the U.S. Attorney's Office will typically coordinate with the federal agency responsible for the delayed immigration case.

Depending on your case, the government attorney may contact:

• USCIS

• The Department of State

• A U.S. embassy or consulate

• Another federal agency involved in the adjudication

The agency may then review the status of your case and determine whether it can move the underlying immigration matter forward.

This is one of the main reasons Mandamus litigation can be effective. A case that previously existed only within the administrative system is now also connected to an active federal lawsuit.

5. The Immigration Case May Move Before the 60 Days Are Over

The government does not have to wait until the final day of its response period to take action.

In some Mandamus cases, the underlying immigration matter begins moving soon after service.

Depending on the type of case, USCIS or another agency might:

• Schedule an interview

• Request additional evidence

• Complete background or security processing

• Issue an immigration decision

• Contact the applicant regarding the next procedural step

• Otherwise resume action on the case

Some cases resolve before the government ever files a substantive response in federal court.

Other cases require more time.

There is no guarantee that your immigration case will be resolved within 60 days. The 60-day period is generally the government's federal court response deadline. It is not a statutory promise that USCIS or another agency must approve or decide the immigration application within 60 days.

6. The Three Most Common Paths After Filing

Once the government has been served and begins reviewing the case, the lawsuit generally moves in one of three directions.

1. The Agency Takes Action

This is often the result clients hope to see.

After learning of the federal lawsuit, the agency may review the delayed immigration case and take the action that had been pending.

Depending on the type of case, this could mean:

• Scheduling an interview

• Issuing a decision

• Completing additional processing

• Requesting additional evidence

• Taking another step necessary to move the case forward

In many Mandamus cases, resolving the underlying immigration matter may be more efficient for the government than continuing to defend the delay in federal court.

If the agency takes sufficient action and the purpose of the lawsuit has been achieved, the federal case may eventually be dismissed.

However, we evaluate the actual government action before determining whether dismissal is appropriate.

2. The Case Is Resolved Through Agreement or Settlement

In some cases, the government does not immediately issue a final immigration decision but instead communicates with our office about a path toward resolution.

Government counsel may discuss:

• A timeframe for agency action

• Completion of a pending review

• Scheduling of an interview

• Additional steps needed before adjudication

• A possible agreed resolution of the federal lawsuit

Not every agreement is a formal settlement filed with the court. Sometimes the parties are able to resolve the underlying issue through direct communication while the lawsuit remains pending.

The exact process depends on the facts of the individual case.

3. The Government Defends the Lawsuit

Sometimes the government decides not to resolve the matter immediately and instead contests the lawsuit in federal court.

The government may file:

• A motion to dismiss

• A formal answer to the Complaint

• Other motions or legal briefing

For example, the government may argue that the delay is not legally unreasonable, that the court lacks jurisdiction, that venue is improper, or that the plaintiff is not entitled to the requested relief.

If this happens, the lawsuit moves into a more traditional litigation stage.

Our office will review the government's arguments, prepare the appropriate response, and continue representing you through the federal court process.

A contested case does not necessarily mean the lawsuit is weak or that the underlying immigration case will be denied. It simply means the government has chosen to defend the case rather than resolve it at the initial stage.

7. What Should You Do While the Lawsuit Is Pending?

Although our office handles the federal litigation, your cooperation remains important.

While the case is pending:

• Continue checking your USCIS online account, if applicable

• Check your physical mail regularly

• Send us any new USCIS, embassy, consulate, or government notice immediately

• Inform us if you receive an interview notice, approval notice, Request for Evidence, or other case update

• Let us know if your address, telephone number, or other important information changes

• Do not assume that a case-status update automatically means the federal lawsuit is finished

Sometimes the first indication that the Mandamus case is producing movement comes directly to the client rather than to the attorney.

For that reason, please send our office any new immigration notice as soon as you receive it.

8. Does Filing Mandamus Guarantee Approval?

No.

A Mandamus lawsuit is designed to address delay, not to guarantee the result of the immigration application.

The agency still has authority to adjudicate the underlying case according to immigration law.

Possible results can therefore include:

• Approval

• Denial

• An interview

• A Request for Evidence

• Additional processing

• Another appropriate agency action

The objective of the lawsuit is to challenge unreasonable government inaction and move the case toward adjudication.

9. How Long Will the Entire Process Take?

There is no single timeline that applies to every Mandamus lawsuit.

Some immigration cases begin moving relatively soon after the government is served. Others may take most or all of the government's response period. More contested cases can continue beyond that point and require motions, briefing, or additional court proceedings.

Factors that can affect timing include:

• The type of immigration application

• The reason for the delay

• Background or security checks

• The agency handling the case

• The federal district where the lawsuit was filed

• Whether the government decides to resolve or defend the case

The important point is that 60 days should not be understood as a guaranteed completion date for your immigration case.

It is primarily an important federal litigation deadline that begins after proper service.

The Process in Simple Terms

The typical sequence looks like this:

1. We file the federal lawsuit.

2. The court issues the summonses.

3. We complete service on the required government parties.

4. The government's federal court response period begins.

5. Government counsel coordinates with the immigration agency.

6. The agency may take action, the parties may reach an agreement, or the government may defend the lawsuit.

7. If the matter is not resolved, the federal litigation continues.

Final Takeaway

Once your Mandamus lawsuit is filed, the most important next procedural step is service of process.

For many federal immigration lawsuits, the government's 60-day response period is tied to service on the U.S. Attorney, not simply to the date the Complaint was filed.

After service, three general outcomes are possible:

1. The agency takes action on your immigration case

2. The matter is resolved through communication or agreement

3. The government chooses to defend the lawsuit in federal court

Many cases begin moving before the government files a formal court response, but every case is different. Neither filing the lawsuit nor reaching the 60-day mark guarantees a specific immigration decision.

Immigrant Lawyer - GH Law Firm, P.C. will continue monitoring both your federal lawsuit and any developments in your underlying immigration case.

If you receive any new notice, interview appointment, Request for Evidence, approval, denial, or other communication from the government after your lawsuit is filed, please send it to our office immediately.

+1 (972) 333 2121