![["A symbolic visual of justice featuring a silhouette of a courthouse and gavel, representing the appeal of final court decisions in Türkiye through constitutional legal remedies."]](/assets/blog-img/20cdd2ea-be38-4cef-8667-e9240dde610a_appealing-final-court-decisions-turkey.jpg)
Legal remedies serve as essential mechanisms to review judicial decisions and correct errors, reinforcing the principles of the rule of law. However, to maintain social and legal order, disputes must eventually come to a conclusive end. This blog explores the framework for appealing final judgments in Türkiye under the Turkish Code of Civil Procedure, HMK, including an overview of ordinary and extraordinary legal remedies and recent case law from the Constitutional Court.
Quick Answer: Once a Turkish civil judgment becomes final, either because no further ordinary appeal is available or because the appeal periods have run out, it generally cannot be challenged again through an ordinary appeal, and attempting to do so anyway carries real financial risk under Articles 329, 351, and 368 of the HMK. A narrow extraordinary remedy, retrial, remains available under Article 374 in specifically enumerated circumstances. Separately, a contested and still evolving line of Constitutional Court case law has tied the start of the 30 day individual application period to the date a party or their lawyer first opened the decision on the UYAP electronic case system, rather than the date of formal notification, a rule that has drawn criticism from legal commentators and tension with European Court of Human Rights standards.
A legal remedy is the opportunity to bring a court decision before another judicial authority for review. Legal remedies serve the goals of legal certainty, consistency in case law, and quality adjudication, but they cannot be available indefinitely without undermining the equally important goal of bringing disputes to a conclusive end.
In Turkish law, finality appears in two distinct forms. Formal finality, şekli kesinlik, means no further ordinary appeals are possible against the judgment. Substantive finality, maddi kesinlik, means the matter cannot be relitigated between the same parties on the same grounds, even through a fresh lawsuit framed differently. A judgment can reach formal finality either because the applicable appeal periods have expired without action, or because the case fell below the relevant monetary threshold from the outset, closing off the ordinary appeal routes entirely.
The distinction matters practically because the two forms of finality protect different interests. Formal finality is primarily about procedural closure, ensuring that litigation does not continue indefinitely simply because a party remains dissatisfied. Substantive finality goes further, protecting the losing party from being sued again on the same claim by the same opponent under a different legal label, and protecting the winning party's reliance on the outcome. Both forms typically arise together once a judgment becomes final, but understanding them separately helps clarify why an attempt to relitigate a settled dispute through a technically different cause of action will usually fail even where the earlier judgment's formal appeal period is long past.
Ordinary legal remedies apply to judgments that are not yet final: appeal to the regional courts, İstinaf, and appeal to the Court of Cassation, Temyiz. These routes are regulated under Articles 341 and following, and Articles 361 and following, of the HMK. Not every decision is subject to appeal; the law specifies which decisions are appealable, generally by reference to monetary thresholds and the subject matter involved. The mechanics of these thresholds and the step by step appeals process itself are addressed in detail in our companion guide on how to challenge a civil court decision, so this article focuses instead on what happens once those ordinary routes have been exhausted or were never available in the first place.
The reasoning behind a ruling matters significantly at the appeal stage, which is why understanding the importance of a reasoned decision is essential, and why Court of Cassation (Yargıtay) decisions carry such weight in shaping how lower courts and practitioners understand the law going forward.
Final judgments may still be challenged under exceptional circumstances through a retrial, yargılamanın yenilenmesi, governed by Article 374 of the HMK. This is not a second chance to relitigate points already argued and lost; only specifically enumerated grounds qualify, such as the discovery of a document that was withheld by the opposing party, evidence later found to have been forged, or the judgment having been influenced by a crime committed by a judge, party, or witness involved in the case. General dissatisfaction with the outcome, a belief that the court weighed the evidence incorrectly, or the emergence of a legal argument that simply was not raised at the time, do not qualify. Because the enumerated grounds are narrow and specific, a request for retrial should be assessed carefully against the statutory list before being filed, since an ill-founded request will typically be dismissed without addressing the substance of the original dispute at all.
Beyond the examples already mentioned, other enumerated grounds under Article 374 include a judgment that conflicts with an earlier final judgment between the same parties on the same subject matter that the court was not aware of, a party having been improperly denied the opportunity to participate in the proceedings through no fault of their own, and the discovery that a witness, expert, or translator involved in the case gave deliberately false testimony that materially affected the outcome. Each of these grounds requires a specific factual showing, and the deadline for filing a retrial request is itself strict and runs separately from the ordinary appeal deadlines, typically from the date the ground for retrial was discovered rather than from the date of the original judgment.
Despite the principle of finality, parties sometimes attempt to file ordinary appeals against judgments that are already final, whether through a misunderstanding of the applicable threshold or in the hope that an already final decision will nonetheless be reconsidered. Article 346 of the HMK allows the court to dismiss such appeals for lack of jurisdiction, and this dismissal decision can itself be appealed, creating a secondary layer of review focused specifically on whether the finality determination itself was correct.
Where the regional court disagrees with the dismissal, meaning it concludes the underlying judgment was not actually final, it can revoke the lower court's decision and proceed with a substantive review of the original appeal. Where the Court of Cassation instead finds the appeal was properly dismissed as improper, it affirms the dismissal without reviewing the merits of the underlying dispute at all, meaning the original judgment stands undisturbed.
To deter abuse of the appeals system, Articles 351, 368, and 329 of the HMK impose real consequences for bad-faith appeals and litigation generally. These include liability for the opposing party's legal costs, liability for the whole or a portion of the opposing party's attorney's fees, and a disciplinary fine. Under Article 329(2) specifically, this disciplinary fine ranges from 500 to 5,000 Turkish Lira, a figure set directly in the statutory text itself and, unlike the monetary thresholds governing whether an appeal is available at all, not automatically adjusted through the annual revaluation mechanism that applies elsewhere in Turkish civil procedure. Where a lawyer, rather than the party themselves, is found responsible for the bad-faith conduct, the disciplinary fine is applied to the lawyer directly rather than to the client.
Recent rulings by the Turkish Constitutional Court, AYM, have complicated the question of when the 30 day period for individual constitutional applications begins, a question governed by Article 47 of Law No. 6216 on the Establishment and Rules of Procedure of the Constitutional Court.
In the Hüseyin Aşkın case, decided 21 July 2020, the Constitutional Court rejected an application as time-barred based on the date the applicant's attorney had opened and read the final decision within the UYAP electronic case management system, rather than the later date of formal notification. In the Ümran Özkan case, decided 8 March 2023 by a narrow 8 to 7 majority, the Constitutional Court extended this reasoning further, ruling that the application period began when the applicant personally, rather than only their attorney, read the decision on UYAP, even though official notification to the attorney came several days later.
This interpretation has drawn sustained criticism from legal commentators. It sits uneasily with Article 47 of Law No. 6216, which on its face contemplates notification or actual knowledge as the relevant trigger, rather than the mere technical act of opening a document within an electronic case file that a party or their family member might access for entirely unrelated reasons. The European Court of Human Rights has separately emphasised, including in its Üçdağ v. Türkiye judgment, that legal deadlines should start when applicants can reasonably be expected to know of a decision, and that an excessively rigid interpretation of admissibility time limits can disproportionately restrict the right of access to a court. Commentators have also pointed to a related, though procedurally distinct, 2025 development in the ordinary criminal courts, where a decision emphasised that an appeal period should run from the point the defendant personally was notified or became aware, not merely the point at which electronic notification reached defence counsel, reflecting continued judicial disagreement across different areas of Turkish procedure about how strictly UYAP-based awareness should be treated as a matter of formal notice.
The lack of clarity burdens both applicants and their lawyers, and risks producing an unjust denial of access to justice for parties who reasonably assumed the clock would start running from formal notification to their counsel, consistent with how service of process ordinarily works in the rest of the Turkish system. Where domestic remedies, including this individual application route, are genuinely exhausted without success, applicants may ultimately turn to the European Court of Human Rights application process.
To prevent confusion and avoid an inadvertently time-barred application, several practical habits are worth adopting. UYAP access records should be treated as legally significant from the moment a case becomes relevant to a potential constitutional application, not only once a formal decision to apply has been made. Clients should promptly inform their lawyers the moment they personally view a case outcome on UYAP, even out of simple curiosity, since that moment may already have started the clock under the current case law. Lawyers, in turn, should proactively verify with clients whether they have accessed a decision through UYAP before calculating and relying on a deadline based solely on the date of formal notification.
Formal finality means no further ordinary appeal is available against a judgment. Substantive finality means the same dispute between the same parties cannot be relitigated at all, even through a differently framed lawsuit.
Generally not through an ordinary appeal. A narrow extraordinary remedy, retrial under Article 374 of the HMK, remains available, but only on specifically enumerated grounds such as forged evidence or a withheld document, not general dissatisfaction with the outcome.
Under Article 346 of the HMK, the court can dismiss the appeal for lack of jurisdiction. That dismissal can itself be appealed, but only on the question of whether the finality determination was correct, not on the merits of the underlying dispute.
Under Articles 329, 351, and 368 of the HMK, a party can be held liable for the opposing party's legal costs and attorney's fees, and can face a disciplinary fine of 500 to 5,000 Turkish Lira, applied to the lawyer directly where the lawyer is responsible for the conduct.
Under current, contested Constitutional Court case law, the period can begin when the applicant or their lawyer first opens and reads the final decision on the UYAP system, rather than the date of formal notification, though this interpretation has drawn significant criticism.
Under the Ümran Özkan line of cases, formal notification to the lawyer is no longer treated as the decisive starting point where the applicant personally accessed the decision on UYAP earlier, even if the lawyer was notified later through the ordinary channel.
It has been criticised as inconsistent, since the European Court of Human Rights has emphasised that deadlines should run from when an applicant can reasonably be expected to know of a decision, not from a strict, easily missed technical trigger.
Treat any access to a case decision through UYAP, whether by you or your lawyer, as potentially starting the 30 day clock, and inform your lawyer immediately if you view a decision yourself, rather than assuming the deadline runs only from formal notification.
The enumerated grounds under Article 374 generally involve either newly discovered facts or evidence, or a serious defect in the original proceeding such as fraud or a judge's involvement in a related crime; a request based purely on a new legal argument that was available but not raised earlier is generally not sufficient.
Yes, the fine applies to the party responsible for the bad-faith conduct, which can be a corporate litigant, though where a lawyer specifically caused the situation, the fine is directed at the lawyer rather than the client.
The Court of Cassation can affirm the original dismissal for lack of jurisdiction without reviewing the merits, meaning the underlying judgment remains undisturbed despite the regional court having initially allowed the appeal to proceed.
Strongly advisable. The enumerated grounds under Article 374 are narrow and technical, and an experienced lawyer can assess whether the specific facts of a case genuinely fall within one of them before time and resources are committed to a request likely to be dismissed.
Generally from the date the ground for retrial, such as newly discovered forged evidence, was actually discovered, rather than from the date of the original final judgment, though this deadline is itself strict and should be confirmed against the specific facts of the case.
Yes, where the court that issued the later judgment was not aware of the earlier final judgment on the same subject matter between the same parties, this is one of the enumerated grounds under Article 374.
While the rule of law requires judicial oversight through legal remedies, it also demands closure through finality, and understanding where that line falls, both for ordinary appeals and for the narrower extraordinary remedy of retrial, is essential before pursuing further review of a Turkish civil judgment. Filing appeals against final judgments without proper grounds is not merely unlikely to succeed; it is legally risky and potentially punishable under the bad-faith litigation provisions described above. The Constitutional Court's evolving and contested case law on when the individual application period begins adds a further layer of uncertainty that legal professionals and clients alike must navigate cautiously, remaining transparent with one another about UYAP access to avoid an inadvertently time-barred application.
For guidance on any stage of the appeals process in Türkiye, from an ordinary appeal through to an extraordinary remedy or a Constitutional Court application, our legal team at Bayraktar Attorneys is available to assist.
