NDA Is Breached in Turkey Before a Business Acquisition: Can the Foreign Investor Claim Damages? 2026 Updated Guide

An NDA is breached during negotiations for a Turkish business acquisition. Learn whether a foreign investor can claim damages, seek an injunction, protect confidential information and pursue contractual remedies in Turkey.

A non-disclosure agreement is often one of the first documents signed before a foreign investor begins due diligence for the acquisition of a Turkish company. During the transaction process, the parties may exchange financial statements, customer lists, pricing information, business plans, trade secrets, employee information, supplier contracts, technical data and other commercially sensitive information. If one party breaches the NDA before the acquisition is completed, the foreign investor may face significant commercial losses. Under Turkish law, the available remedies can potentially include contractual damages, contractual penalties where agreed, injunctions or other urgent judicial measures, claims concerning misuse of trade secrets and additional remedies depending on the circumstances of the breach. The precise strategy depends on the NDA wording, nature of the disclosed information, evidence of misuse and losses suffered.

Why Are NDAs Important in Turkish M&A Transactions?

A potential buyer cannot properly evaluate a target company without receiving confidential information. At the same time, the seller normally does not want sensitive information disclosed to competitors, customers or the wider market.

An NDA creates contractual rules governing how that information may be accessed, used, copied and disclosed.

What Information Can an NDA Protect?

The definition of confidential information is normally one of the most important provisions. Depending on the agreement, protected information may include financial statements, business plans, customer information, supplier terms, pricing structures, intellectual property, technical specifications, software information, employee data, transaction documents and information concerning the proposed acquisition itself.

The exact contractual definition should always be reviewed before alleging a breach.

What Constitutes an NDA Breach?

A breach may occur when confidential information is disclosed to an unauthorized third party, used for a purpose outside the proposed acquisition, copied or retained contrary to the agreement, provided to a competitor or otherwise handled contrary to contractual restrictions.

The factual circumstances must be compared with the specific NDA provisions.

Unauthorized Disclosure Is Not the Only Risk

Many confidentiality agreements contain both disclosure restrictions and use restrictions.

A recipient may therefore potentially breach the agreement even without publishing the information if it uses confidential information for an unauthorized commercial purpose.

Can a Foreign Investor Claim Damages?

Potentially, yes. If the NDA constitutes a binding contractual obligation and the other party breaches that obligation, damages may be available under the applicable contractual liability principles.

However, establishing a breach and establishing the amount of recoverable loss are separate questions.

Proving the NDA Breach

The claimant should preserve evidence showing what confidential information was provided, when it was provided, who received it, what restrictions applied and how the information was subsequently disclosed or used.

Emails, virtual data-room records, download logs, access histories, messages, meeting records and document metadata can become important evidence.

Preserve Data-Room Records Immediately

Modern M&A transactions frequently use electronic data rooms. If a confidentiality dispute arises, preserve user-access records, download histories, document permissions and other available logs before access is terminated.

These records can help identify who accessed particular information.

Identify the Confidential Information Precisely

A damages claim is stronger when the claimant can identify the information allegedly misused.

Simply alleging that “confidential business information was leaked” may be insufficient where the dispute requires proof of exactly what information was protected and disclosed.

Was the Information Already Public?

Most NDAs exclude information already publicly available or independently known to the receiving party.

Before bringing a claim, determine whether the disputed information was genuinely confidential when disclosed.

Independently Developed Information Can Create a Defense

The alleged breaching party may argue that it developed the information independently rather than obtaining it from the protected materials.

The chronology of disclosure and subsequent commercial conduct may therefore become important.

Disclosure to Professional Advisers

Many acquisition NDAs permit disclosure to lawyers, accountants, financial advisers, financing institutions or other representatives subject to specified conditions.

A disclosure to an adviser should therefore not automatically be treated as a breach without reviewing the agreement.

Responsibility for Representatives

Some NDAs make the receiving party responsible for breaches committed by its employees, advisers, affiliates or representatives.

This provision can become particularly important when the actual leak was caused by an investment adviser or consultant rather than the contracting company itself.

What If the Potential Buyer Shares Information With a Competitor?

This can present a particularly serious scenario. Customer lists, pricing information, supplier terms and strategic plans may have significant competitive value.

The injured party should consider immediate measures to prevent further use or dissemination.

Can an Injunction Be Requested?

Depending on the circumstances, urgent judicial protection may potentially be available where confidential information is being disclosed or used and continued misuse could cause difficult-to-repair harm.

The legal strategy should be developed before the information spreads further.

Speed Is Critical

Damages litigation months later may not adequately protect commercially sensitive information that is being distributed today.

Where disclosure is ongoing, the priority may be stopping further dissemination and preserving evidence.

Contractual Penalty Clauses

Some NDAs contain a contractual penalty payable upon breach.

Such clauses can materially affect the claimant’s position because the contract may establish a predetermined financial consequence for violation of confidentiality obligations.

The wording and enforceability of the specific clause should be examined carefully.

Is Proof of Actual Loss Always Necessary for a Contractual Penalty?

The legal analysis of a contractual penalty differs from an ordinary damages claim. The claimant should therefore distinguish between enforcement of an agreed contractual penalty and recovery of additional damages.

The NDA should also be examined for provisions governing whether additional losses can be claimed.

How Are Actual Damages Calculated?

Potential losses may include direct financial damage caused by disclosure, transaction-related losses or other provable commercial harm depending on the circumstances.

The claimant must establish a legally sufficient connection between the breach and the loss claimed.

Lost Profits Can Be Difficult to Prove

A company may allege that leaked information caused it to lose customers, negotiating leverage or business opportunities. Such claims require careful evidence.

Speculative calculations are generally much weaker than documented customer losses, changed contract terms or identifiable financial consequences.

Loss of Negotiating Position

Confidential information may reveal the investor’s valuation assumptions, maximum purchase price or transaction strategy.

If such information is improperly disclosed to the seller or another bidder, it can affect negotiations significantly.

Evidence showing how the disclosure changed the transaction may become important.

What If the Acquisition Collapses Because of the Breach?

A failed acquisition does not automatically establish damages.

The investor should determine whether the NDA breach actually caused the transaction to collapse and what losses can legally be attributed to that breach.

Due Diligence Costs

Foreign investors may incur substantial legal, financial, technical and tax due diligence expenses.

Whether those expenses can be recovered after an NDA breach depends on the contract, causation and surrounding circumstances.

NDA and Letter of Intent Should Be Reviewed Together

The confidentiality agreement may not be the only relevant document.

A letter of intent, memorandum of understanding, exclusivity agreement or process letter may contain additional confidentiality and transaction obligations.

Exclusivity Breach Is Different From NDA Breach

If the seller secretly negotiates with another buyer despite an exclusivity commitment, the claim may arise from the exclusivity provision rather than confidentiality alone.

The transaction documents should therefore be analyzed as a whole.

Trade Secrets Can Create Additional Legal Issues

Some confidential information may also qualify for protection beyond the NDA itself.

Unauthorized acquisition, disclosure or exploitation of commercially valuable secret information can potentially raise issues under Turkish commercial and unfair-competition rules depending on the facts.

Customer Lists May Be Particularly Sensitive

A customer list can contain commercially valuable information concerning identities, purchasing patterns, prices, margins and contract conditions.

The claimant should demonstrate why the particular information was confidential rather than assuming every customer name constitutes a trade secret.

Employee Information Requires Additional Care

Due diligence frequently includes information concerning employees and management.

Confidentiality obligations should be considered together with applicable personal-data requirements where personal information is involved.

Personal Data Breach and NDA Breach Are Not Identical

A disclosure can potentially create both contractual confidentiality issues and separate personal-data compliance concerns.

Each legal basis should be analyzed independently.

What If the Foreign Investor Is the Party Accused of Breach?

The investor should immediately determine which information was allegedly misused, which individuals had access and whether the alleged disclosure falls within a contractual exception.

Do not delete relevant emails or electronic records after receiving an allegation.

Preserve Electronic Evidence

Issue an internal preservation instruction covering relevant emails, messages, cloud storage, data-room records and employee devices where appropriate.

Evidence destruction can significantly complicate the defense.

Conduct an Internal Investigation

Identify who accessed the information and whether it was downloaded, forwarded or shared.

Interview relevant transaction-team members and reconstruct the chronology.

Check Whether Disclosure Was Authorized

The NDA may permit disclosure to affiliates, financing sources or professional advisers.

Determine whether the disputed recipient falls within an authorized category and whether any additional confidentiality conditions were satisfied.

Return or Destruction Obligations

Many NDAs require confidential information to be returned or destroyed when negotiations terminate.

Foreign investors should take these obligations seriously after abandoning a Turkish acquisition.

Electronic Copies and Backups

Modern information systems may retain backup copies automatically.

The NDA should be reviewed to determine how archival or legally required copies are treated.

Confidentiality Obligations May Survive Failed Negotiations

The fact that the acquisition never closes does not necessarily terminate confidentiality obligations.

Review the duration clause carefully.

Governing Law Is Critical

Cross-border NDAs may select Turkish law or foreign law.

Before filing proceedings in Turkey, determine the governing law and whether the clause is legally effective for the dispute concerned.

Jurisdiction Clauses Must Be Reviewed

The NDA may contain a Turkish court jurisdiction clause or another dispute-resolution mechanism.

The foreign investor should determine the correct forum before initiating proceedings.

Arbitration May Apply

International acquisition NDAs sometimes contain arbitration clauses.

If the confidentiality dispute falls within the arbitration agreement, commencing ordinary court proceedings without analyzing the clause can create procedural complications.

Interim Protection and Arbitration

The existence of an arbitration clause does not mean urgent protection should be ignored.

Where confidential information is being actively misused, the availability of interim measures should be evaluated promptly under the applicable procedural framework.

Cross-Border Disclosure Creates Enforcement Problems

Confidential information may be disclosed in Turkey but transferred electronically to another country within seconds.

The investor should therefore identify where the recipient, servers, employees and relevant assets are located when developing enforcement strategy.

Foreign Parent Companies and Affiliates

If information was shared within an international corporate group, determine which entity actually received and used it.

Corporate affiliation alone should not replace evidence concerning the specific party responsible for the alleged breach.

Directors and Employees

Depending on the circumstances, individuals may have participated directly in unauthorized disclosure.

The potential responsibility of companies and individuals should be analyzed separately rather than automatically treating every employee action as identical.

Send a Formal Cease-and-Desist Notice

Where misuse is discovered, a carefully drafted notice can demand that the recipient stop using or disclosing the information, preserve evidence, identify recipients and return or destroy protected material where required.

The notice should not inadvertently reveal additional confidential information.

Demand Identification of Further Recipients

If information has already been forwarded, identifying downstream recipients can be crucial.

The longer confidential material circulates, the more difficult containment becomes.

Preserve Evidence Before Terminating Data-Room Access

Immediate termination of access may be necessary, but first preserve available logs and records.

Otherwise, useful evidence concerning downloads and viewing history may be lost.

Notify Transaction Advisers

Legal, financial and technical advisers involved in the acquisition should be instructed to preserve relevant records and stop further dissemination where necessary.

Review Cybersecurity Issues

If the disclosure resulted from unauthorized system access rather than intentional sharing, the matter may also involve cybersecurity and data-breach issues.

Determine whether information was deliberately disclosed, negligently exposed or stolen by a third party.

Quantify Loss Early

Prepare an initial loss analysis identifying direct expenses, customer impact, competitive harm, transaction costs and other measurable consequences.

Separate documented losses from assumptions.

Mitigation Is Important

Once the breach is discovered, the injured party should take reasonable steps to limit continuing harm.

Allowing preventable disclosure to continue can complicate later arguments concerning damages.

Evidence Checklist for an NDA Claim

The investor should preserve the signed NDA, amendments, due diligence correspondence, data-room records, access logs, confidential documents, emails, messages, meeting notes, evidence of unauthorized disclosure, recipient information, cease-and-desist communications and financial evidence supporting claimed losses.

Immediate Legal Strategy

When an NDA is breached before a Turkish business acquisition, the foreign investor should immediately identify the exact contractual provision, preserve digital evidence, suspend unnecessary access, determine what information was disclosed, identify recipients, examine confidentiality exceptions, assess urgent judicial protection, send appropriate notices, quantify losses and review governing-law, jurisdiction and arbitration provisions.

Frequently Asked Questions

Can a foreign investor claim damages for breach of an NDA in Turkey?

Potentially, yes. The investor must establish the relevant contractual breach and satisfy the requirements applicable to the damages claimed.

Can damages be claimed even if the acquisition never closes?

Potentially. Confidentiality obligations can operate independently from completion of the acquisition.

Can the investor obtain an injunction?

Depending on the circumstances, urgent judicial measures may potentially be available where continued disclosure or use threatens serious harm.

What if the NDA contains a contractual penalty?

The penalty clause should be analyzed separately from ordinary damages and according to its precise wording and applicable law.

Can due diligence expenses be recovered?

Potentially, depending on the contractual framework, causation and facts surrounding the failed transaction.

Does sharing information with a lawyer breach the NDA?

Not necessarily. Many NDAs permit disclosure to professional advisers, subject to specified conditions.

What if an employee leaked the information?

The agreement should be reviewed to determine responsibility for employees and representatives, while the individual’s conduct should also be examined separately.

Can trade-secret rules apply in addition to the NDA?

Potentially. Particularly sensitive commercial information may raise additional issues under Turkish commercial and unfair-competition principles.

Does the NDA remain effective if acquisition negotiations end?

Potentially, yes. Many confidentiality obligations survive termination of negotiations for the period stated in the agreement.

What should the foreign investor do first after discovering the breach?

Preserve the evidence before it disappears. Secure data-room logs, emails, messages and document-access records; identify the confidential information and recipients; then evaluate urgent measures to prevent further disclosure before focusing solely on a damages claim.

Client-Focused Legal Support for NDA and M&A Disputes in Turkey

Confidentiality breaches during an acquisition can expose foreign investors to loss of negotiating leverage, disclosure of valuation information, misuse of trade secrets, failed transactions and substantial financial losses. Fırat Fesih Kaya Law Office assists foreign investors, international companies, buyers and sellers in Turkish M&A disputes involving NDAs, due diligence, confidentiality obligations, exclusivity agreements, contractual penalties and damages claims.

Lawyer Fırat Fesih Kaya provides legal assistance in preserving evidence, seeking urgent protection against further disclosure, enforcing contractual confidentiality obligations, pursuing compensation claims and resolving cross-border disputes arising before or after a proposed Turkish business acquisition.

Phone:
+90 312 434 22 22

Mobile:
+90 532 769 22 22

Email:
info@firatfesihkaya.av.tr

Address:
Mevlana Boulevard No:221, Yıldırım Tower, Office No:148
06520 Balgat, Çankaya, Ankara, Turkey