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YCC Attorney Partnership · ISTANBUL BAR ASSOCIATION

Legal foresight, institutional discipline, and diligent representation.

Based at Astoria Kempinski Towers on Büyükdere Avenue in Şişli, Istanbul, YCC Attorney Partnership provides legal advisory and dispute resolution services to domestic and international entities and individuals within universal legal principles and professional ethics.

Astoria Kempinski Towers · Tower ARegistered with the Istanbul Bar Association.TR / EN Legal Practice
High-floor travertine and brushed bronze architectural atrium overlooking Büyükdere Avenue, Istanbul
Astoria Kempinski Towers · Tower A, 22nd Floor · Büyükdere Avenue, Şişli / Istanbul
Büyükdere Ave. No: 127 · Floor: 22 · Suite: 2201 · 34394 Şişli / Istanbul, Türkiye
41.0706° N · 29.0068° E

Statutory & Precedent Analysis

High-court jurisprudence monitoring

Preventive Legal Structuring

Contractual & corporate risk governance

Confidentiality & Data Governance

Attorney-client privilege protection

Corporate & Individual Counsel

Litigation & arbitration proceedings

Turkish Commercial Code No. 6102Turkish Code of Obligations No. 6098Personal Data Protection Law No. 6698 (KVKK)Labor Act No. 4857Enforcement and Bankruptcy Code No. 2004Code of Civil Procedure No. 6100Turkish Civil Code No. 4721Advocacy Law No. 1136Turkish Commercial Code No. 6102Turkish Code of Obligations No. 6098Personal Data Protection Law No. 6698 (KVKK)Labor Act No. 4857Enforcement and Bankruptcy Code No. 2004Code of Civil Procedure No. 6100Turkish Civil Code No. 4721Advocacy Law No. 1136
THE PARTNERSHIP

A partnership built upon analytical depth and professional independence.

Operating pursuant to Turkish Attorneyship Law No. 1136 and the Union of Turkish Bar Associations Attorney Partnership Regulations, YCC Attorney Partnership focuses on establishing legal certainty across complex commercial relations and judicial proceedings.

Each legal matter is examined holistically in light of applicable legislation, current high-court precedents, and its distinct factual matrix. Preventive legal counsel—identifying regulatory and contractual risks before disputes arise—forms the core of our methodology.

01

Diligence & Independence

Legal assessments are conducted objectively and independently within the framework of material facts and applicable norms.

02

Strict Confidentiality & Data Integrity

Attorney-client privilege under Article 36 of the Attorneyship Law and Law No. 6698 (KVKK) standards govern every workflow.

03

Preventive Legal Methodology

Contractual architecture and regulatory compliance frameworks are structured to mitigate potential dispute risks in advance.

04

Doctrinal & Precedent Monitoring

Official Gazette legislative amendments and Constitutional Court, Court of Cassation, and Council of State rulings are systematically analyzed.

AREAS OF PRACTICE

Practice Areas

Below are the principal legal disciplines in which our partnership provides legal counsel and judicial representation.

I

Corporate & Commercial Law

Incorporation of capital companies, articles of association amendments, general assembly and board governance, share transfers, and commercial enterprise advisory.

Within the framework of Turkish Commercial Code No. 6102, our partnership advises on structuring corporate governance for joint-stock and limited liability companies, drafting internal board directives, capital increases and reductions, and shareholders' agreements.

We assist commercial enterprises in structuring supply, distributorship, agency, and current account agreements, as well as representing parties in corporate governance and commercial disputes before courts and arbitral tribunals.

II

Contracts & Law of Obligations

Drafting and negotiation of complex commercial contracts, security structures, penalty clauses, limitation of liability, and tort/compensation proceedings.

III

Real Estate, Lease & Construction Law

Property acquisition and title deed disputes, commercial and residential leases, construction-in-return-for-land-share contracts, and partition actions.

IV

Employment & Social Security Law

Employment and executive agreements, workplace bylaws, termination procedures, mandatory mediation, reinstatement, and statutory severance claims.

V

Data Protection (KVKK) & Technology Law

Law No. 6698 (KVKK) compliance programs, data inventories, cross-border transfer standard contractual clauses, and software/SaaS agreements.

VI

Enforcement, Bankruptcy & Restructuring

Commercial debt execution, precautionary attachment, annulment of objection, negative declaratory actions, clawback suits, and concordat proceedings.

VII

Administrative & Tax Disputes

Annulment and full-remedy actions against administrative acts, challenges to regulatory fines, zoning and expropriation disputes, and tax litigation.

VIII

Family & Inheritance Law

Liquidation of matrimonial property regimes, divorce proceedings, drafting of wills, abatement, estate collusion claims, and inheritance distribution.

Pursuant to Article 7/d of the UTBA Prohibition of Advertising Regulation, descriptions herein do not constitute claims of specialization and are provided solely for general informational purposes regarding the firm's areas of practice.

LEGAL GOVERNANCE & METHODOLOGY

Legal Assessment & Representation Methodology

Every matter handled within our partnership proceeds through structured fact-finding, statutory analysis, and transparent client reporting.

STAGE I OF IV·Advocacy Law No. 1136 Art. 36 & 38

Factual Matrix & Document Review

Contracts, corporate ledgers, official correspondence, and evidentiary records are systematically examined in chronological integrity.

PARTNERS & ATTORNEYS

Partners & Attorneys

Academic and professional credentials of the attorneys practicing within YCC Attorney Partnership.

İstanbul Barosu

Av. Mücahit Cahar Çağlayan

Founding Partner · Attorney at Law · İstanbul Barosu

Att. Mücahit Cahar Çağlayan practices as a Founding Partner of YCC Attorney Partnership, registered with the Istanbul Bar Association. His practice focuses on corporate and commercial advisory, complex contract structuring, real estate and lease litigation, employment law, and personal data protection compliance.

DOCTRINAL PUBLICATIONS

Legal Assessments & Legislative Briefings

Analytical briefings authored by our attorneys on legislative developments, high-court jurisprudence, and regulatory practice.

Practice & Jurisprudence Note · 2 min

Distinguishing Rent Determination Actions (TCO Art. 344–345) from Hardship Adaptation Suits (TCO Art. 138) in Commercial and Residential Leases

Turkish Code of Obligations No. 6098 provides two distinct mechanisms for rent adjustment: rent determination lawsuits after five years of tenancy under Articles 344(3) and 345, and hardship adaptation actions under Article 138 triggered by extraordinary, unforeseeable events. Their procedural notice rules, retroactivity, and evidentiary thresholds differ fundamentally.

6098 sayılı Türk Borçlar Kanunu · m. 138, m. 344, m. 3456100 sayılı Hukuk Muhakemeleri Kanunu · m. 4/1-a, m. 107
Legislative Briefing · 2 min

Cross-Border Personal Data Transfers and Standard Contractual Clause Notification Duties Under KVKK Article 9

Amended Article 9 of Turkish Personal Data Protection Law No. 6698 (KVKK) and its implementing Regulation establish a three-tier hierarchy for cross-border transfers: adequacy decisions, appropriate safeguards (principally Board-issued Standard Contractual Clauses), and strictly occasional derogations. Executed Standard Contracts must be notified to the Authority within five business days of signature completion.

6698 sayılı Kişisel Verilerin Korunması Kanunu · m. 5, m. 6, m. 9, m. 18/1-dKişisel Verilerin Yurt Dışına Aktarılmasına İlişkin Usul ve Esaslar Hakkında Yönetmelik · m. 14
Statutory & Doctrinal Analysis · 2 min

Duty of Care and Loyalty of Board Members in Joint-Stock Companies Under Articles 369 and 553 of TCC No. 6102

Pursuant to Article 369 of Turkish Commercial Code No. 6102, board members of joint-stock companies must discharge their duties with the care of a prudent executive and safeguard the company's interests in good faith. Civil liability under Article 553 requires a culpable breach of statutory or charter obligations, quantifiable damage, and adequate causation, assessed through the lens of the prudent executive standard.

6102 sayılı Türk Ticaret Kanunu · m. 367, m. 369, m. 375, m. 393, m. 5536098 sayılı Türk Borçlar Kanunu · m. 49, m. 506
HEADQUARTERS · ŞİŞLİ / ISTANBUL

Institutional Contact & Office Location

You may contact YCC Attorney Partnership via our postal or electronic communication channels. Office meetings are conducted by appointment.

Location
Astoria Kempinski Towers · Tower A
Büyükdere Ave. No: 127 · Floor: 22 · Suite: 2201
34394 Şişli / Istanbul, Türkiye
Electronic Mailmucahit@ycchukuk.com
HoursMonday – Friday · 09:00 – 18:30
Official Account@ycchukuk
YCC Attorney Partnership | Att. Mücahit Çağlayan — Şişli, Istanbul