In appellate practice, timing is everything. 

Miss a deadline, and you may lose the right to appeal altogether. Connecticut’s appellate rules set tight time frames, and even seasoned trial counsel can find them confusing—especially in the hectic period following judgment. 

This post offers a practical overview how long you have to appeal in Connecticut, including key deadlines and exceptions. Whether you are preparing to appeal or defending a judgment, here is what you need to know to stay on track. 

Deadline to File an Appeal in Connecticut: The 20-Day Rule 

In most cases, the deadline to appeal is 20 days from notice of judgment. 

This rule applies unless a statute provides a different time frame (e.g., summary process appeals, decision on a mechanics’ lien, pre-judgment remedy, temporary injunctions in labor disputes).  

The clock starts ticking from the date notice of the judgment or decision is issued. Trial attorneys should keep a close eye on the date the clerk sends notice to avoid missing the window to appeal. 

What Extends the Deadline to File an Appeal in Connecticut? 

Certain postjudgment motions extend the appellate clock—but not all. For example: 

• Practice Book § 11-11 motions to reargue restart the appeal period. A new 20-day period (or other statutory period) begins once the trial court rules on the motion and notice of that ruling is issued. 
• Practice Book § 66-1 (a) motions for extension of time. You can move for an extension of time in the trial court to file an appeal. The trial court may grant an extension of up to 20 days.  

By contrast, other motions—such as a motion for articulation or clarification—do not extend the appeal period.  

Connecticut Cross Appeals: Filing Deadlines 

In some situations, the party who won at trial may still be dissatisfied with part of the judgment.  

An appellee who is also aggrieved may file a cross appeal within 10 days after the original appeal is filed. This shorter deadline often catches people off guard. 

Deadlines to Amend an Appeal in Connecticut 

Sometimes, a party files a timely appeal while other postjudgment motions remain pending in the trial court. When the court issues a new decision after an appeal is already filed, the appellant may amend the appeal to include the new ruling within 20 days from the notice of that decision—so long as the appeal has not yet been marked “ready” (after briefing is complete). 

If the appeal is ready, then amending requires permission from the Appellate Court. Alternatively, the party may file a new appeal. 

Why Connecticut Appeal Deadlines Matter 

These deadlines may look straightforward, but they can get tricky quickly. For example, did the judgment dispose of all claims as to all parties? Was a § 11-11 motion filed—and if so, when was it ruled on? Has the appellate clerk marked the case as “ready”? Each of these timing questions can affect appellate rights.” 

Small missteps can have big consequences. If an appeal is filed late—even by one day—the Appellate Court may dismiss it for lack of jurisdiction (if the deadline imposed is jurisdictional), or the late appeal will be subject to attack by a motion to dismiss.  

That is why it can be helpful to involve appellate counsel early in the process, not only to develop the record or strategize about potential appealable issues, but also to ensure deadlines are met. 

Final Thoughts on Connecticut Appeal Deadlines 

Connecticut’s appellate rules have tight deadlines. If you are uncertain about the applicable deadline or need help calculating key dates, do not wait. An early conversation with appellate counsel can help you and your client stay ahead of the clock. 

If you have questions about how long you have to file an appeal in Connecticut, or want help calculating the deadline in your case, please contact me here.