Court of Cassation review in criminal cases in Turkey refers to temyiz review before Yargıtay, the country’s court of cassation for ordinary criminal matters. In the current institutional structure, Yargıtay operates through criminal chambers, and the official Yargıtay website states that it currently has 22 criminal chambers, with chambers sitting with one chamber president and at least four members. In criminal procedure, Yargıtay is not a second factual trial court in the ordinary sense. Its principal role is to review whether regional appellate criminal judgments comply with the law, whether the correct rules were applied, whether the judgment contains legally sufficient reasoning, and whether the proceedings were affected by serious procedural unlawfulness. (Yargıtay)
The constitutional background explains why this review matters. Article 36 of the Constitution guarantees the right to a fair trial. Article 38 protects the presumption of innocence, the privilege against self-incrimination, and the rule that findings obtained through illegal methods cannot be treated as evidence. Article 40 requires the State to indicate available remedies, competent authorities, and time limits when rights are affected, while Article 141 requires judicial decisions to be reasoned. Court of Cassation review is therefore one of the mechanisms through which Turkish criminal procedure tests whether a conviction or other regional appellate judgment can legally stand after the ordinary trial and regional-appellate stages have ended. (Anayasa Mahkemesi)
A useful starting distinction is the difference between istinaf and temyiz. The regional appellate court reviews first-instance criminal judgments under Articles 272 to 285 of the Code, and only some of its judgments are then open to cassation before Yargıtay under Articles 286 and following. The Code expressly says that regional appellate criminal chamber judgments, other than reversal decisions, are in principle cassable, but it then lists a substantial number of categories that are not open to cassation. That structure means Yargıtay review is not the ordinary second step in every criminal case. It is a legally filtered review stage that becomes available only when Article 286 allows it.
The Legal Basis of Cassation Review
The statutory core begins with Article 286. Its first paragraph provides that criminal chamber judgments of the regional appellate courts, except reversal decisions, may be appealed by cassation. The second paragraph then excludes several categories from cassation. Among the excluded judgments are regional-appellate decisions rejecting on the merits appeals against first-instance prison sentences of five years or less and any amount of judicial fines, regional-appellate decisions that do not increase first-instance prison sentences of five years or less, various decisions concerning alternative sanctions converted from imprisonment, a broad group of cases involving offenses with a statutory upper limit of up to two years’ imprisonment, all regional-appellate decisions concerning offenses punishable only by judicial fine, certain confiscation-only matters, certain acquittals in offenses carrying up to ten years’ imprisonment, and some decisions on dismissal, no-penalty rulings, and security measures within the statutory boundaries listed in the article.
Article 286 also contains an important exception to those non-cassable categories. Even if a decision would ordinarily fall within the non-cassable group, the article makes certain offense categories cassable. The current text includes, among others, specific insult and speech-related offenses under the Turkish Penal Code, such as qualified insult under Article 125/3, provocation to commit crime, praising crime and criminals, incitement to hatred or humiliation, incitement not to obey the law, public dissemination of misleading information under Article 217/A, insulting the President, insulting state sovereignty symbols, insulting the Turkish Nation or State institutions, armed organization offenses under Article 314, and discouraging military service. The same paragraph also includes some offenses under the Anti-Terror Law and the Meetings and Demonstrations Law. This shows that Turkish cassation law is not driven only by sentence length. In some politically or constitutionally sensitive offense categories, Yargıtay review remains open even where a purely sentence-based filter would otherwise close it.
Article 287 adds another practical rule: rulings given before the final judgment that formed the basis of the judgment, or that are not subject to another legal remedy, may be challenged together with the judgment in cassation. This matters because a cassation petition is not limited to attacking the final sentence wording alone. If an earlier procedural decision became part of the legal foundation of the final judgment, it can come before Yargıtay through the cassation route as well.
Who Can File Cassation and Within What Time
The right to use criminal remedies is governed generally by Articles 260 through 264, and those general provisions continue to matter at cassation stage. Remedies are open to the public prosecutor, the accused, persons with participant status, and certain injured parties whose participation request was not resolved or was rejected. Prosecutors may also appeal in favor of the accused. Lawyers may file unless acting against the client’s express will. The accused’s legal representative and spouse may also use remedies available to the accused. A detained accused may file by making a statement to the court clerk or prison administration, and a mistake in the identification of the remedy or the competent authority does not automatically destroy the right, because the filing must be forwarded appropriately.
The specific cassation deadline appears in Article 291. The current text provides that cassation must be filed within two weeks from the date on which the reasoned judgment is served. The filing is made to the court that gave the judgment, either by written petition or by statement to the clerk, which is recorded and approved. The article also preserves the special filing rule for detained defendants. This two-week period is especially important because the current text reflects recent amendments replacing older shorter periods. Missing the deadline usually means losing the ordinary cassation remedy unless a separate restoration mechanism can be used successfully.
Article 293 states that a timely cassation application prevents the judgment from becoming final. Article 294 then requires the cassation applicant to state why the judgment should be reversed. The same article also says that cassation grounds may concern only the legal aspect of the judgment, and where the public prosecutor files the cassation petition, the prosecutor must clearly indicate whether the cassation is in favor of or against the accused. These provisions are fundamental to understanding Court of Cassation review in criminal cases in Turkey: Yargıtay is not a forum for broad dissatisfaction with the outcome. It is a legality review court, and the petition must be drafted accordingly.
If the cassation request is filed late, concerns a non-cassable judgment, or comes from someone without standing, Article 296 authorizes the regional appellate or first-instance court that rendered the challenged judgment to reject the cassation request. But the Code does not leave the matter there. The applicant may ask Yargıtay within two weeks from service of the rejection decision to decide that point. The same article also states that this route does not suspend execution merely because such a challenge is pending.
The Path of the File to Yargıtay
Article 297 regulates the transmission stage after the cassation petition is not rejected at the local level. A copy of the petition is served on the opposing party, which may respond in writing within two weeks. After that period expires, the file is sent by the regional appellate court to the Office of the Chief Public Prosecutor at Yargıtay. The same article then adds an important adversarial safeguard: if the written opinion of the Yargıtay Chief Public Prosecutor’s Office concerns a party that has filed cassation or contains views that may produce an adverse outcome for that party, that opinion must be served on the accused or defense counsel and on the participant or representative as relevant, and the notified party may respond in writing within two weeks. This is a highly practical stage in cassation work, because it means the defense may need to answer not only the regional-appellate judgment but also the prosecutorial opinion submitted to Yargıtay.
Article 298 then provides that Yargıtay itself rejects the cassation request if it finds that no timely application was filed, that the judgment is not cassable, that the applicant has no standing, or that the petition does not contain cassation grounds. This last point is especially important: a cassation petition that does not actually articulate legal grounds risks immediate rejection. In Turkish practice, then, a petition that simply says the judgment is “wrong” or “unfair” without connecting that complaint to legal unlawfulness may fail at the threshold.
What Yargıtay Reviews
Article 288 defines the nature of cassation review with unusual clarity. Cassation may be based only on unlawfulness, and unlawfulness means the failure to apply a rule of law or the incorrect application of a rule of law. This is the conceptual center of Court of Cassation review in criminal cases in Turkey. Yargıtay is not a general second fact-finder. Its ordinary task is to determine whether the regional-appellate criminal judgment is legally sustainable.
Article 301 narrows the scope of examination further by stating that Yargıtay examines only the issues identified in the cassation application and, where the cassation request is based on procedural defects, the events identified in the petition. This means Yargıtay review is largely shaped by the legal craftsmanship of the cassation filing. A well-targeted petition can focus the court on specific unlawful features of the regional-appellate judgment. A vague petition may leave major legal issues unframed, except where the Code treats them as absolute unlawfulness.
That exception is Article 289, which lists absolute grounds of unlawfulness. According to the current text, unlawfulness is deemed present even if not shown in the petition where the court was not constituted according to law, a judge who was legally disqualified participated, a valid recusal issue was mishandled, the court unlawfully considered itself competent or authorized, the hearing was conducted without the prosecutor or other persons who by law had to be present, the publicity rule was violated in a hearing that should have been public, the judgment failed to contain the reasoning required by Article 230, the right of defense was restricted by court decision on an issue important to the judgment, or the judgment relied on evidence obtained through unlawful methods. These grounds are exceptionally important because they allow Yargıtay to intervene even where the petition did not perfectly articulate the problem.
Article 290 adds another protective rule: a violation of legal rules that are favorable to the accused does not give the public prosecutor a right to seek reversal against the accused. In practical terms, that means the prosecutor cannot use accused-protective rules as a weapon to worsen the accused’s position. This is a comparatively technical provision, but it matters for the fairness balance of cassation review.
Hearings Before Yargıtay
Cassation is usually document-based, but not always. Article 299 states that in judgments concerning ten years or more of imprisonment, Yargıtay may, if it considers it appropriate, conduct its examination by hearing. The hearing date is notified to the accused, the participant, defense counsel, and representative. The accused may attend personally or be represented by defense counsel, but a detained accused may not request to attend the hearing personally. This means Yargıtay hearings exist, but they are limited, discretionary, and mainly reserved for serious prison cases.
Article 300 regulates the hearing procedure. Before the hearing, the assigned member or rapporteur judge’s report is explained to the members, who also examine the file themselves. Once the hearing opens, the Yargıtay Chief Public Prosecutor or a delegated prosecutor, the accused, defense counsel, the participant, and the representative present their arguments. The party who requested cassation speaks first, and the accused always has the final word. For counsel, this is the key oral-argument stage in Turkish cassation practice.
What Decisions Yargıtay Can Render
Article 302 states that if Yargıtay finds the challenged regional-appellate judgment lawful, it rejects the cassation on the merits. If it finds an unlawfulness capable of affecting the judgment, it reverses the judgment and must state the reversal grounds separately. If the judgment is reversed for reasons stated in the petition, Yargıtay must still mention any other unlawfulness it detects, even if not explained in the petition, and where the unlawfulness derives from acts that formed the basis of the judgment, those acts are reversed as well. Article 302 also expressly preserves the Article 289 absolute-unlawfulness regime.
Article 303 then shows that Yargıtay is not always limited to simple reversal. Where the unlawfulness concerns the application of law to facts already established for the judgment, Yargıtay may in some listed circumstances decide the merits itself or correct the unlawfulness directly. The article includes situations such as where no further clarification is needed and the case requires acquittal, dismissal, or a fixed penalty, where the minimum statutory penalty should be applied in line with the Chief Public Prosecutor’s position, where only the cited article number is wrong, where a new law reduces the penalty or decriminalizes the act, where age-related reductions were not properly applied, where there is a calculation error in increase or decrease, where the sequencing rule in Article 61 of the Turkish Penal Code was mishandled, or where costs and fees were decided unlawfully. This is a major practical point: Yargıtay sometimes corrects rather than merely reverses.
Article 304 regulates where the file goes after Yargıtay’s decision. For decisions under Article 302(1) or Article 303, the file is given to the Yargıtay Chief Public Prosecutor’s Office for transmission to the first-instance court, while a copy goes to the regional appellate court. In cases outside Article 303, Yargıtay sends the file back for renewed review and judgment to the regional appellate court whose judgment was reversed or to another regional appellate court. The article then adds special routing rules where the reversed judgment was a regional-appellate merits rejection or a corrected merits rejection. This routing system matters because the post-reversal path depends on the kind of cassation error found.
Article 305 adds that Yargıtay’s own judgment is pronounced according to the general judgment-announcement rule and, if that is not possible, within seven days from the end of the hearing. Article 306 then states that if the judgment is reversed in favor of one accused and the same legal benefit can apply to other accused persons who did not seek cassation, they also benefit from the reversal as though they had filed cassation. This is especially significant in multi-defendant cases involving common legal defects.
What Happens After Reversal
Article 307 governs the post-reversal stage. The regional appellate or first-instance court that will hear the case again must ask the interested persons what they have to say regarding the reversal. If summonses cannot be served or if the accused, defense counsel, participant, or representative do not attend despite notice, the hearing may continue and end in their absence, but if a heavier sentence is to be imposed on the accused than the sentence at issue in the reversal, the accused must in any case be heard. The article also provides that where the lower court complies with the Yargıtay reversal, any new judgment becomes directly cassable regardless of ordinary istinaf or cassation thresholds.
Article 307 also preserves a right to resist the reversal. The regional appellate court or first-instance court may resist Yargıtay’s reversal. Resistance decisions are sent to the chamber whose decision was resisted; if that chamber finds the resistance justified, it corrects its own view, and if not, it sends the file to the Criminal General Assembly of Yargıtay. The article then states that no resistance is possible against the Criminal General Assembly’s decision. Finally, if the case had been cassated only by the accused or in favor of the accused, the new judgment after remand cannot impose a heavier sentence than the earlier one. These rules are fundamental to understanding the institutional dialogue between Yargıtay’s criminal chambers, the lower courts, and the Criminal General Assembly.
Extraordinary Review Related to Yargıtay Decisions
The Code also contains extraordinary mechanisms linked to Yargıtay. Article 308 authorizes the Chief Public Prosecutor at Yargıtay to object, ex officio or on request, to a decision of one of Yargıtay’s criminal chambers within one month from delivery of the judgment to that office; no time limit applies where the objection is in favor of the accused. The file first returns to the chamber whose decision is challenged. If the chamber agrees, it corrects its decision; if not, it sends the file to the Criminal General Assembly. This mechanism is not an ordinary cassation stage but an extraordinary control device within Yargıtay’s own structure.
Article 308/A creates a similar extraordinary objection mechanism for the chief public prosecutor at the regional appellate court against final criminal chamber decisions of that court. It likewise sets a one-month period, removes the time limit for objections in favor of the accused, and allows the notified party to respond in writing within two weeks where the objection is against the accused. Although Article 308/A concerns regional-appellate final decisions rather than Yargıtay decisions, it is part of the same broader review architecture and often matters in discussions of Turkish criminal remedies after ordinary appeal routes narrow.
Practical Importance of Cassation Review
From a defense perspective, Court of Cassation review in criminal cases in Turkey is where procedural precision becomes decisive. Because Article 294 requires the petition to state why reversal is sought and Article 301 largely confines review to the issues raised, cassation drafting must be framed in legal terms: misapplication of criminal law, defective reasoning, unlawful evidence, public-hearing violations, defense-rights restrictions, jurisdictional errors, incorrect sentencing structure, or one of the Article 289 absolute defects. A petition that reargues facts in a purely narrative way without converting those complaints into legal unlawfulness is far weaker than a petition that tracks the Code’s own structure.
The current system also means lawyers must think strategically about timing and pathway. Some regional-appellate decisions are final and never reach Yargıtay under Article 286. Others are cassable only if they fall outside the statutory exclusion list or within one of the specific exceptions listed in Article 286(3). In serious cases, Yargıtay may hold a hearing under Article 299, but only if it sees fit. And after reversal, the remand court may comply or resist under Article 307, potentially sending the case to the Criminal General Assembly. Turkish cassation practice is therefore not a simple one-step legality review. It is a structured system with filters, thresholds, chamber review, possible hearing, correction powers, remand, resistance, and extraordinary prosecutor objections.
Conclusion
Court of Cassation review in criminal cases in Turkey is the law-centered review stage carried out by Yargıtay after the regional appellate phase, when Article 286 permits it. It is triggered by a two-week cassation filing after service of the reasoned judgment, shaped by the general standing rules of Articles 260 to 264, and filtered by both the non-cassable categories of Article 286 and the threshold requirements of Articles 296 and 298. Yargıtay reviews unlawfulness under Article 288, gives special weight to the absolute defects in Article 289, may hold a hearing in serious prison cases under Articles 299 and 300, and may reject, reverse, correct, or in some cases decide the merits under Articles 302 and 303. After reversal, the case proceeds under Article 307, which allows compliance or resistance and, if needed, review by the Criminal General Assembly. For that reason, cassation in Turkish criminal law is not just another appeal. It is the point at which the legal integrity of the regional-appellate criminal judgment is tested at the highest ordinary judicial level.
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