How to Protect Your App Idea: NDAs, IP & Reality Check

You can't patent or copyright a bare app idea; the law protects what the idea turns into. In practice you protect your app idea in four layers: an NDA for the confidential details, a written assignment of the code's IP, a trademark for the name, and speed to market.

That answer disappoints a lot of founders, but copyright offices say it plainly. Turkey's copyright directorate puts it bluntly on its FAQ page: "Ideas are not protected. Ideas are not registered." (Telif Hakları Genel Müdürlüğü, in Turkish). The US Copyright Act says the same thing at greater length. Yet every concrete piece that brings your idea to life, from the code and interface to the name, logo and business data, has its own tool.

This guide shows which tool covers what, when an NDA actually helps, and which clauses to put in your contract when you hire an agency or freelancer. The tone here is practical, not paranoid.

Important: This article is general information, not legal advice. Laws differ by country. For contracts, patent filings or disputes, talk to an intellectual property lawyer or a patent and trademark attorney in your jurisdiction.

Table of Contents

• Why the Law Won't Protect a Bare Idea
• Can You Patent an App Idea?
• Which Protection Covers What?
• When an NDA Helps (and When It Doesn't)
• Who Owns the Code When You Hire an Agency?
• Trademark Your App Name Early
• What to Do If Someone Copies Your App
• The Strongest Protection: Speed and Validation
• A 7-Step Checklist Before You Share Your Idea
• Frequently Asked Questions

Why the Law Won't Protect a Bare Idea

Copyright protects expression, not concepts. Section 102(b) of the US Copyright Act states that copyright never extends "to any idea, procedure, process, system, method of operation, concept, principle, or discovery." So your code is protected, but the concept of "an app that shows free football pitches nearby and lets you book one" is not.

Other systems draw the same line. The UK government explains that you get copyright protection automatically, without applying or paying a fee, for original work including software, and that the UK has no register of copyright works. Turkey's Law on Intellectual and Artistic Works protects computer programs but says the ideas and principles behind any element of a program, including its interface, "are not considered works."

Patent law closes the other door. Article 52 of the European Patent Convention excludes "schemes, rules and methods for performing mental acts, playing games or doing business, and programs for computers" from patentable inventions, but only "as such." That qualifier matters, and we cover it in the next section.

Here is what you can realistically protect:

• Source code and design documents: protected by copyright from the moment they exist.
• Interface design, graphics and in-app copy: protected by copyright if they are original.
• App name and logo: protected by trademark registration.
• Confidential business information: algorithm details, pricing models and customer lists, protected by contracts and trade secret rules.
• A genuine technical invention: if you have one, protected by a patent.

Can You Patent an App Idea?

No, not the idea itself. "An app that books hair appointments" is a business concept, and business methods and software as such fall outside patent protection in Europe and Turkey. In the US, abstract ideas are not patent-eligible either, and running an abstract idea on a generic phone does not change that.

What can qualify is a software-implemented invention that solves a technical problem in a new, non-obvious way, for example a novel method for processing sensor data. If you think your app contains something like that, get a patent attorney's opinion before you spend money.

In the US, many founders start with a provisional application. According to the USPTO, a provisional application is not examined, lets you use the term "Patent Pending," and lasts 12 months, a period that cannot be extended. You must file a full nonprovisional application within those 12 months to keep the earlier filing date. The USPTO fee schedule lists the provisional filing fee at:

The filing fee is the cheap part; drafting a strong application with an attorney costs far more.

Be careful with public disclosure, too. Some countries give inventors a grace period for their own disclosures; Turkey's Industrial Property Law, for instance, allows 12 months. Others are much stricter. If you have a real technical invention, talk to an attorney before you launch publicly or pitch it on stage.

Which Protection Covers What?

No single tool covers everything; to protect your app idea properly, you combine several. This table puts the options for a typical app project side by side:

The last row is the one founders overlook most often. Copyright appears automatically, but who it belongs to decides the future of your app. We come back to that in the agency section.

When an NDA Helps (and When It Doesn't)

A non-disclosure agreement (NDA) is a contract in which the other side promises not to disclose, or use for its own purposes, the confidential information you share. It doesn't register your idea, but it turns the details you reveal into a contractual obligation. For most founders, it's the first practical step to protect your app idea once real conversations start.

Where an NDA makes sense

• Sharing technical details, data structures or your business model with an agency or freelance developer
• Walking a potential co-founder or your first hires through the business plan
• Opening customer data, pricing or API details to a supplier or integration partner

Serious development teams treat a mutual NDA as routine. A team that refuses to sign one before you share real details may cause transparency problems elsewhere too. For the other signals to check, read our guide to hiring a mobile app developer.

Where an NDA won't help

• Investor pitches: Venture investors usually refuse to sign NDAs for a first meeting. As TechCrunch reported in 2023, investors talk to so many startups that an NDA could expose them to liability in many ways; the exception is when you get into the details of your technology. Pitch the problem, the market and the team first, and save the technical secrets for later.
• Casual conversations: You don't need an NDA to tell a friend or mentor what you're thinking about. You can't validate an idea you never discuss.
• Public information: Features visible on your store listing or prices on your website aren't confidential.

What a strong NDA contains

1. Definition of confidential information: list it concretely, such as technical documents, design files, business plans and user data.
2. Exclusions: public information and anything the other party can prove it knew before.
3. Purpose limitation: the information may only be used for one purpose, such as preparing a quote.
4. Term: how many years confidentiality lasts after the project ends.
5. Return or destruction: files go back or get deleted when the relationship ends.
6. Remedies and governing law: what happens on breach, and which country's courts decide.

Governing law matters when you work across borders. If you hire a team in Turkey, for example, a Turkish court may reduce a contractual penalty it considers excessive, unless the party owing the penalty is a merchant. Set remedies with a lawyer who knows the relevant jurisdiction.

Who Owns the Code When You Hire an Agency?

This is the most important section of this guide. Once development starts, code ownership is where you protect your app idea or lose control of it. Many founders assume that paying for the code means owning it. In many legal systems, that is not automatic.

The default: the author owns the copyright

Under US law, a work belongs to the employer automatically only if an employee creates it within the scope of employment. For independent contractors, the US Copyright Act allows "work made for hire" status only for a short list of commissioned categories, such as contributions to collective works or compilations, and only with a written agreement signed by both parties. Custom software from an outside agency often won't fit that list neatly. That's why well-drafted development contracts include an explicit assignment of all IP rights, instead of relying on work-for-hire language alone.

Turkish law is even more explicit, which matters if you outsource development to Turkey. The copyright directorate's FAQ answers the exact scenario: "I had a program written based on my idea and paid for it. I want to register it in my name." The answer: the author of a program is the person who wrote its source code, so the client can't register it as author. As the paying party, you hold the rights the contract gives you. Article 52 of the Turkish copyright law also requires such contracts to be in writing and to list each transferred right separately.

Clauses to put in your development contract

1. IP assignment: all rights in the code, design and documentation transfer to your company, worldwide, perpetual and exclusive, with each right (modification, reproduction, distribution, making available online) spelled out.
2. Source code delivery: when, in what format and with what documentation you receive the code. At Master Web, source code delivery is a standard term in our mobile app development projects; the app is yours.
3. Repository access: keep the code in a GitHub or GitLab organization that you own, so you see every commit instead of waiting for handover day.
4. Store accounts: publish from your own Apple Developer and Google Play Console accounts. Apple's App Store Review Guidelines also say apps should be submitted by the person or legal entity that owns or has licensed the intellectual property (guideline 5.2.1).
5. Domain, cloud and third-party accounts: your domain, hosting, Firebase project and payment provider accounts should be in your company's name.
6. Pre-existing agency code: agencies reuse their own libraries for things like authentication or payments. A perpetual license for those parts, rather than an assignment, is normal; just make sure it's in writing.
7. Open-source components: ask for a list of open-source libraries and their licenses. Some licenses require derivative code to be distributed as open source too.
8. Portfolio rights: decide whether the agency may show the project as a reference, and say so if the project is confidential.

If you haven't chosen a team yet, raise these clauses at the quote stage. A company that won't discuss contract terms may later make the source code a point of dispute. Our list of criteria for choosing a software development company covers the rest of the evaluation.

Trademark Your App Name Early

Even with your code protected, a competitor launching under the same or a similar name will confuse your users. Registering the name is one of the cheapest ways to protect your app idea once it becomes a brand. A trademark protects the name and logo, and a registration can be renewed indefinitely as long as you keep using the mark and paying renewal fees.

Official fees differ widely by country:

Both figures come from the offices' own fee pages (USPTO, TÜRKPATENT) and exclude attorney fees. Apps usually fall into class 9 (downloadable software and apps) and class 42 (software services and SaaS); depending on what your app does, you may need more classes.

Run three checks before you settle on a name:

1. Search the trademark database of every market you plan to launch in.
2. Check that the domain name is available.
3. Search the App Store and Google Play for apps with the same name.

File before you announce the app publicly. As a general rule, an earlier filing date puts you ahead of later applicants.

What to Do If Someone Copies Your App

First, work out what was copied. If a competitor only took the idea, building similar features with its own code, design and name, you usually have no legal claim. Apple's guideline 4.1, "Copycats," asks developers to "come up with your own ideas," but Apple enforces it through its own review process.

If your code, design or brand was copied, you have stronger options:

1. Collect evidence: dated commit history, design file version history, signed contracts and screenshots of the infringing app.
2. File a store complaint: Apple offers an intellectual property dispute form. Google Play's intellectual property policy points copyright owners to a DMCA request, and asks trademark owners to contact the developer first and then use a complaint form.
3. Take legal action: copyright, trademark and trade secret claims each follow different rules. Work with a lawyer at this stage.

The Strongest Protection: Speed and Validation

Legal tools matter, but look at why startups actually shut down. A CB Insights analysis published in March 2026 studied 431 venture-backed companies that closed since 2023. Running out of capital topped the list at 70%, though the report treats that as the final symptom rather than the root cause. Among the 385 companies with identifiable reasons, the leading causes were poor product-market fit (43%), bad timing (29%) and unsustainable unit economics (19%).

In other words, startups rarely die because someone stole the idea. They die because the product never found a market or arrived at the wrong time. Keeping your idea in a drawer doesn't protect it; it only delays the moment you learn whether it works.

Moving fast gives you advantages no law can:

• Users and data: feedback and usage data from your first users can't be copied.
• Brand recognition: an app with reviews and ratings doesn't start from the same line as a late imitation.
• Learning speed: a team that learns from every release stays ahead of a rival who only sees the idea from outside.

So the best way to protect your app idea in the long run is to test it with a small, fast MVP before you build the full product. Our MVP guide shows how to cut scope, and our list of mobile app ideas for 2026 explains how to validate demand. For a rough first-version budget, the app cost calculator gives you an estimate in a few minutes.

A 7-Step Checklist Before You Share Your Idea

Run through this list to protect your app idea before your first serious meeting with a developer, partner or investor:

1. Leave a date trail: write down the idea, user flows and first sketches in dated documents; cloud storage and email timestamps create a record.
2. Share in layers: talk about the problem and the market with anyone, and open technical and commercial details only after an NDA.
3. Sign NDAs: use mutual NDAs with agencies, freelancers and potential partners.
4. File the trademark early: pick the name, search the databases and file before your announcement.
5. Get the IP assigned in writing: your development contract should transfer every right explicitly.
6. Own the accounts: repository, store accounts, domain and hosting belong in your company's name.
7. Paper the founding team: co-founders should assign the code and designs they contribute to the company in a signed agreement.

Frequently Asked Questions

Can you patent an app idea?

No. Patent offices don't grant patents for bare ideas, and business methods and software as such are excluded in Europe and Turkey. If your app solves a technical problem in a genuinely new way, that technical solution may qualify, so ask a patent attorney.

Is an NDA enough to protect my app idea?

An NDA protects the confidential details you share with a specific party, not the idea itself. To protect your app idea fully, combine NDAs with a written IP assignment from your developers, a trademark for the name, and accounts held in your own name.

Should I ask investors to sign an NDA?

Usually not for a first meeting. Most venture investors decline because they see many similar pitches, so present the problem, market and team first and share technical secrets only in later, deeper conversations.

Who owns the code if I pay a developer to build my app?

Not automatically you. In many countries the author owns the copyright unless the developer is your employee or signs a written assignment, so make sure your contract transfers all IP rights to your company.

How do I protect my app idea in the UK?

In the UK, copyright in your code and designs arises automatically and there is no copyright register. Protect your app idea there the same way as elsewhere: NDAs for confidential details, a written IP assignment from developers and a trademark for the app name.

How much does it cost to trademark an app name?

Official fees vary by country. At the USPTO, an electronic base application costs $350 per class; in Turkey, official fees for one class total 9,830 TL in 2026. Attorney fees and extra classes come on top.

Can I sell my app idea?

A bare idea rarely finds a buyer because it has no legal protection and no proven value. Value comes from a prototype, validated user demand, a registered brand and working code, and you should share details with potential buyers only under an NDA.

What should I do if someone copies my app?

First decide whether they copied only the idea or your actual code, design or brand. For code, design or brand copying, collect evidence, file through Apple's and Google Play's IP complaint channels, and bring in a lawyer.

You can't protect an app idea on its own, but you can protect every piece that turns it into a product. A few steps taken in the right order, namely NDAs, a written IP assignment, an early trademark filing and accounts in your own name, prevent the "who has the code, who owns the account" crises that surface years later. Speed and real users do the rest.

If you want a team that talks through your idea under NDA and hands you the source code and the rights, get in touch with us and we'll scope your project together.