Intellectual property due diligence explained

Many modern companies are now often valued less for what they own physically and more for what they create. Patents, software code, brand names, and proprietary technologies often represent a large share of a company’s intangible assets. 

According to the Global Intangible Finance Tracker, the value of global intangible assets reached a record $97.6 trillion in 2025, up 23% from the previous year. In the United States, these assets now account for about 90% of the S&P 500’s total value.

Because of this shift, intellectual property (IP) has become one of the most important elements examined in modern corporate transactions. Buyers and investors want to understand what a company truly owns, how its innovations are protected, and whether there are any legal risks.

That’s why intellectual property due diligence in mergers and acquisitions (M&A) matters so much. It helps verify ownership, evaluate legal protections, and determine the actual value these assets bring to a deal.

This article explains the concept of IP due diligence, outlines the main types of intellectual property reviewed during due diligence, and offers a checklist to guide a smooth, effective review.

What is intellectual property due diligence?

Intellectual property due diligence is the process of reviewing and verifying a target company’s IP assets and IP rights before a business deal takes place.

The goal of the IP due diligence process is to analyze the target company’s IP assets and confirm that the business truly owns them or has the legal right to use them. This review often focuses on patents, trademarks, copyrights, and trade secrets, as well as the documentation that proves ownership.

A typical due diligence review also examines the IP portfolio as a whole. Legal teams look at registrations, licensing arrangements, and any prior agreements that may affect how the intellectual property can be used or transferred.

This type of due diligence is common in acquisitions, venture capital investments, licensing arrangements, and other transactions where a company’s intrinsic value depends heavily on innovation and protected technology.

Also read: What is operational due diligence?

Why IP due diligence matters?

In many transactions, intellectual property can determine whether a deal succeeds or fails. Buyers are often interested not only in the company itself but also in the ideas, technology, and brand value behind it. If problems with ownership or protection appear later, they can affect the value of the entire transaction.

Because of this, due diligence IP analysis plays an important role in evaluating a company before a deal is completed. The goal is to understand whether the target’s IP is legally protected, properly documented, and aligned with the company’s business objectives.

Several reasons explain why IP review is so important:

• Confirm ownership of intellectual property
  A review verifies that the company truly holds the IP rights owned by the business and that they can be transferred during a transaction.
  
• Identify legal risks early
  The analysis helps identify potential conflicts with third-party IP rights, potential third-party challenges, or other disputes that could arise after the deal closes.
  
• Understand the strength of innovation assets
  Buyers assess whether the company’s patent assets are valid and whether competitors hold potential blocking patents that may limit the technology’s use.
  
• Check contractual and financial obligations
  Investigators review related contracts, existing security interests, and unpaid maintenance fees that may affect the ownership or use of such assets.
  
• Support informed deal decisions
  A structured due diligence review often involves experienced IP counsel and IP specialists, helping investors clearly understand the risks and value of the intellectual property involved.

Types of intellectual property reviewed during due diligence

When companies evaluate intellectual property before a deal, due diligence focuses on several categories of protected assets, including patents, trademarks, copyrights, and confidential business information. Each type represents a different way a business creates value and protects its innovations. 

Let’s briefly review how these IP types compare:

• Also read: How to optimize the due diligence questionnaire process?

Intellectual property due diligence checklist

When reviewing intellectual property during a transaction, legal teams rarely rely on informal analysis. Instead, they follow structured checklists to examine assets consistently and systematically. This helps to ensure that important documents are not missed and that each category of intellectual property is verified before a deal moves forward.

Using such a systematic approach also helps legal and transaction teams compare findings across different deals and clearly document potential risks. The goal is to confirm ownership, understand how the intellectual property is protected, and identify any legal or operational issues that could affect the transaction.

This is a simplified IP due diligence checklist for reviewing intellectual property during the due diligence process. 

Note: You can also create a dedicated patent due diligence checklist focused solely on the patent due diligence review process.

Also read: What is the bank due diligence checklist, and how do you create one?

How virtual data rooms support IP due diligence

Intellectual property reviews typically involve large volumes of documents. Patent filings, trademark registrations, licensing agreements, technical documentation, and internal policies may all need to be examined during a transaction. When these materials are stored in different places or shared through email, the review process can quickly become slow and difficult to manage.

Virtual data rooms help organize IP documents and due diligence reports in one secure environment. Companies can upload intellectual property records, structure them in clearly labeled folders, and grant access to legal teams, investors, and advisors involved in the transaction.

This approach offers several practical advantages during IP due diligence:

• Centralized document organization. All IP-related materials can be stored in one structured workspace, making it easier for reviewers to locate relevant documents.
  
• Secure access control. Administrators can limit who can view, download, or edit specific files, which helps protect sensitive intellectual property.
  
• Faster collaboration. Legal teams and advisors can review documents simultaneously without relying on multiple file exchanges.
  
• Activity tracking. Audit trails show who accessed or reviewed particular files, helping teams track the progress of the review.

Key takeaways

• Intellectual property due diligence helps verify a company’s ownership, protection, and legal status of its intellectual property before completing a transaction.

• During due diligence, legal teams review patents, trademarks, copyrights, and confidential business information to understand how a company protects its innovations.
  
• IP due diligence helps identify ownership issues, legal risks, contractual obligations, and possible conflicts with third-party intellectual property rights.
  
• Structured checklists and secure document platforms, such as virtual data rooms, help organize IP documentation and support an efficient review process.