When a business is acquired, the buyer is rarely purchasing only inventory, equipment, contracts, and customer relationships. In many transactions the most valuable assets are intangible: trademarks, patents, copyrights, software, trade secrets, proprietary processes, domain names, and licensing rights that may be critical to the company’s revenue and competitive position. That makes intellectual property due diligence an important part of evaluating almost any acquisition involving technology, brands, creative content, or confidential business information.
The central question is not whether the target company has intellectual property. Buyers need to know whether the company actually owns those rights, whether they are enforceable, whether important licenses will survive the transaction, whether third parties have competing claims, and whether undisclosed disputes could reduce the value of the deal. Sellers have an equally strong reason to find those answers first: an ownership gap or lapsed registration a buyer discovers reduces leverage and affects price, while the same problem found by the seller months earlier can usually be fixed.
Deal Structure Determines How IP Transfers
Before reviewing any asset, buyers should understand how the transaction is structured, because it changes what diligence needs to confirm. In a stock or membership-interest purchase, the buyer acquires the entity and the entity keeps whatever it already owns; the risk is that contracts with change-of-control clauses may terminate or require consent. In an asset purchase, the buyer acquires only what the agreement specifically transfers, so every patent, trademark, copyright, domain name, and license the buyer needs must be identified and assigned. Assets left off the schedule stay with the seller. Many diligence problems trace back to a mismatch between what the buyer assumed was included and what the deal structure actually moves.
Start With an Inventory of What the Business Actually Owns
The first step is a complete inventory. Depending on the business, that may include patents and pending applications, registered and unregistered trademarks, copyrights, source code, databases, domain names and social media handles, trade secrets, product designs, formulas, customer data, licensing agreements, and technology developed by employees or contractors. The inventory should go beyond registrations: a company may own valuable unregistered copyrights in software, common law trademark rights built through use, or confidential information protected as a trade secret. It may also list an asset as proprietary even though ownership was never transferred to the business. For buyers, the goal is to identify which assets are essential to operating the company after closing and whether the seller can legally transfer them.
Verify the Chain of Title, Not Just the Registration
A registration in the company’s name is strong evidence of ownership, but many important assets are created before a company is formed or by people who are not employees. Imagine a startup whose founder developed the core software before incorporating. If the founder never assigned that software to the company, the buyer may be acquiring a business that does not clearly own its most important asset. The same problem arises with freelancers, developers, designers, photographers, and agencies: paying a contractor does not transfer the copyright, and a work-made-for-hire clause alone is often not enough. Buyers should review written assignments, employment and invention-assignment agreements, and any other document showing how ownership moved from each creator to the company.
For patents and trademarks, buyers should also check the USPTO’s assignment records. A recorded chain of title from the original inventor or applicant to the current owner is what a buyer expects to find; an unrecorded assignment, or a gap in the chain, is a diligence finding in itself, and recording outstanding assignments is often a closing condition. Trademarks carry an additional rule: a trademark assignment must transfer the goodwill of the business associated with the mark, or the assignment may be invalid. Buyers should confirm that prior trademark transfers in the chain were done correctly, not just that a document exists.
Review Registered IP for Status and Commercial Relevance
A list of registrations is only the beginning. For trademarks, buyers should confirm that registrations are active, maintenance filings are current, the marks are actually in use for the goods and services listed, and ownership records match. For patents, the questions are which are issued, which applications are pending, when terms expire, whether maintenance fees are paid, and how closely the claims relate to the products that generate revenue. Copyright registrations matter where software, media, or written content is material to the business.
The broader question is whether the portfolio protects what makes money. A company can own dozens of registrations that contribute little commercial value while one patent, trademark, or trade secret is essential to the entire acquisition. Diligence should weight its attention accordingly and should also ask the freedom-to-operate question: whether the company’s core products could infringe someone else’s patents, which is a separate issue from whether the company’s own patents are valid.
Licenses Can Change What the Buyer Is Actually Acquiring
Many businesses operate on intellectual property they do not own: a software company licenses third-party code, a consumer brand licenses photographs or characters, a distributor relies on another company’s trademarks. For each material license, the buyer should understand exclusivity, territory, duration, payment obligations, sublicensing rights, termination triggers, and restrictions on assignment. Change-of-control and anti-assignment provisions matter most, since a license central to the business may require the licensor’s consent to continue after an acquisition. If an e-commerce company earns most of its revenue under a licensed brand, the deal looks very different if that license cannot survive closing. Diligence should focus on the rights the business will have after the transaction, not the rights it uses today.
Software Requires Additional Scrutiny, Especially Open Source
Technology acquisitions need deeper review: who wrote the proprietary software, whether the company owns the source code, what third-party components are incorporated, and what obligations they carry. Open-source software is not a problem in itself, but license terms differ in ways that matter to a buyer. Permissive licenses generally require little beyond attribution. Copyleft licenses can require that software combined with the licensed code be released under the same terms, which may be incompatible with a proprietary product. A software bill of materials and a review of how open-source components are integrated is standard in technology diligence for this reason.
Trade Secrets Depend on How the Company Protects Them
Trade secrets present a different challenge because there is no registration certificate. Under federal law, information qualifies as a trade secret only if its owner has taken reasonable measures to keep it secret, so diligence focuses on what the company treats as confidential and how. Potential trade secrets include source code, manufacturing processes, formulas, pricing strategies, customer data, and algorithms. The review examines nondisclosure agreements, employee confidentiality provisions, access controls, cybersecurity practices, and procedures for departing employees. A company that calls information a trade secret but allows unrestricted access may have a much weaker position than its asset schedule suggests, and the commercial value of that information may depend on whether the seller has consistently protected it.
Existing and Potential Disputes Affect Deal Value
Buyers should learn whether the target has received cease-and-desist letters, infringement notices, takedown requests, opposition or cancellation proceedings, or patent claims. Pending litigation is reviewed carefully, but informal disputes matter too: a brand name another party has challenged, software used under disputed terms, or a product that has drawn infringement allegations short of a lawsuit. The buyer should also ask whether the company is enforcing its own rights, since unchecked infringement by competitors erodes exclusivity and signals future enforcement costs. These findings feed directly into purchase price, indemnification, escrow, representations and warranties, and in some cases the decision whether to proceed.
Diligence Findings Should Shape the Acquisition Agreement
Once the buyer understands the IP position, the acquisition agreement addresses risk through representations and warranties, disclosure schedules, indemnification, and closing conditions. A seller is typically asked to represent that it owns the specified IP, has authority to transfer it, has not knowingly infringed third-party rights, and has disclosed material licenses and disputes. If diligence reveals an ownership gap, a pending dispute, or a restrictive license, the parties allocate that risk before closing rather than discovering it afterward. For sellers, this is the strongest argument for running the same review first, ideally well before going to market, so that a founder’s unassigned patent application or a contractor’s unassigned website content is fixed while the creator is still reachable. Founders planning an eventual exit should treat IP housekeeping as part of long-term transaction planning, not something to address once an offer arrives.
Frequently Asked Questions
What intellectual property should a buyer review during an acquisition?
Patents, trademarks, copyrights, software, domain names, trade secrets, proprietary data, licensing agreements, contractor assignments, employee invention agreements, and pending or threatened IP disputes. The scope should reflect which assets are material to the target company’s revenue.
What is the difference between an asset purchase and a stock purchase for IP?
In a stock purchase the entity keeps its IP, and the main risk is contracts with change-of-control clauses. In an asset purchase, only assets specifically listed and assigned transfer to the buyer, so every patent, trademark, copyright, domain, and license the buyer needs must be identified in the agreement.
Do intellectual property licenses automatically transfer when a company is sold?
Not always. Many agreements restrict assignment or contain change-of-control provisions. Material licenses should be reviewed to determine whether consent is required or whether the transaction could trigger termination.
Why do buyers check the USPTO assignment records?
The USPTO maintains public records of recorded patent and trademark assignments. A complete, recorded chain of title from the original inventor or applicant to the current owner supports the seller’s ownership claim. A gap or unrecorded assignment is a diligence finding that is usually resolved before closing.
Can weak IP documentation affect the purchase price of a business?
Yes. Uncertain ownership, lapsed rights, licensing restrictions, infringement claims, or weak trade secret protection all affect how a buyer evaluates risk, and can influence price, deal structure, representations, escrow, and indemnification.
Strong IP Due Diligence Protects the Value of the Deal
Intellectual property can represent a significant share of a company’s value, but that value depends on more than having patents, trademarks, software, or confidential information listed on an asset schedule. Buyers need confidence that the target actually owns or controls the rights it relies on, that those rights survive the transaction, and that undisclosed disputes or contractual restrictions will not undermine the business after closing. Sellers benefit from the same discipline applied earlier, while problems are still inexpensive to fix.
At Omni Legal Group, our Los Angeles intellectual property and business attorneys advise buyers, sellers, startups, technology companies, and established businesses on IP due diligence, ownership, licensing, business transactions, and risk allocation in acquisitions. We help clients understand what intellectual property is actually being transferred, identify legal gaps, and structure transactions around the assets that create long-term value.
A business acquisition should not leave the buyer wondering whether the intellectual property it paid for actually belongs to the company. Careful due diligence answers that question before the transaction closes.
Contact Omni Legal Group today to schedule a confidential strategy session with one of our business lawyers in Los Angeles. Call 855.433.2226 to discuss IP due diligence, ownership, licensing, acquisition planning, or other legal issues that can affect the value and success of a business transaction.
