Alex is Sprintlaw's co-founder and a legal technology leader. He holds law and media degrees from the University of Sydney and has been recognized by Australasian Lawyer, Lawyers Weekly and the Sydney Young Entrepreneur Awards for his work building Sprintlaw and improving access to business legal support.
- What Is an IP Assignment Agreement?
- Why Are IP Assignment Agreements Important?
- Checklist: What To Include In An IP Assignment Agreement
- Common Mistakes With IP Assignment Agreements
- How To Implement IP Assignment Agreements In Your Business
FAQs
- Do I need an IP assignment agreement with every employee and contractor?
- What is the difference between an IP assignment and a license?
- Do I need to file my IP assignment agreement with the USPTO or Copyright Office?
- Can I assign future IP that has not been created yet?
- What happens if I do not have IP assignment agreements in place?
- Key Takeaways
Intellectual property (IP) is often the foundation of a US startup or small business. Yet many founders and operators discover too late that they do not actually own the IP they rely on, because they never put the right IP assignment agreements in place. This can lead to disputes, lost funding, or even losing rights to your own brand, software, or creative works. Common mistakes include assuming that paying for work means you own it, skipping written agreements with contractors, or overlooking state-specific rules. This guide explains what IP assignment agreements are, why they project, and how to use them to protect your business from day one. We will also cover practical examples, state law caveats, and checklists to help you avoid common pitfalls.
What Is an IP Assignment Agreement?
An IP assignment agreement is a written contract that transfers ownership of intellectual property from one party (the assignor) to another (the assignee). In the US, this is a critical step for startups and small businesses to secure clear rights to inventions, trademarks, copyrights, or other IP created by founders, employees, contractors, or third parties.
Without a written assignment, the default rules can leave IP ownership with the individual creator, even if you paid for the work. For example, a software developer who builds code for your startup may still own the copyright unless they sign an assignment. Similarly, a designer who creates your logo may retain trademark rights unless you have a clear agreement.
Federal law sets the baseline for copyright and patent assignments, but state contract law and specific industry rules can also affect how assignments work. For trademarks, both federal (USPTO) and state-level filings may be involved, and the assignment must be properly recorded to be effective against third parties.
Key types of IP that can be assigned include:
- Copyrights (e.g., software code, written materials, designs)
- Patents (e.g., inventions, processes, business methods)
- Trademarks (e.g., brand names, logos, slogans)
- Trade secrets (e.g., formulas, confidential business information)
Each category has its own legal requirements and best practices, so it is important to tailor your IP assignment agreements accordingly. For example, a patent assignment must be in writing and signed by the assignor, and should be recorded with the USPTO. Copyright assignments must also be in writing, but state law may affect contract enforceability. Trademark assignments must include the goodwill of the business associated with the mark, and both federal and state filings may be required.
Consider a startup that hires a freelance graphic designer to create a logo. If there is no IP assignment agreement, the designer may retain copyright and trademark rights, even if the startup paid for the work. This could prevent the business from registering the trademark or using the logo freely. A written IP assignment agreement solves this by transferring all rights to the business.
Why Are IP Assignment Agreements Important?
IP assignment agreements are not just paperwork, they are essential for protecting your business, attracting investors, and avoiding costly disputes. Here is why they project for US startups and small businesses:
- Clear ownership: Investors and acquirers expect to see that your company owns its core IP. Without assignments, deals can fall through or be delayed.
- Legal protection: If you do not own the IP, you may not be able to enforce your rights or stop others from using your brand, product, or creative works.
- Employee and contractor work: Under US copyright law, works created by employees may be owned by the employer only if they are created within the scope of employment. For contractors, you generally need a written assignment, "work made for hire" rules are narrower than many people think.
- Trademark and patent filings: The USPTO requires that the applicant owns the trademark or patent. If you file without a proper assignment, your registration could be challenged or invalidated.
- Preventing disputes: Clear agreements reduce the risk of future arguments over who owns what, especially if founders or team members leave.
For example, if a co-founder leaves and there is no IP assignment, they could claim rights to code, designs, or inventions they contributed. This can block funding rounds or even force a rebrand. In another scenario, a startup that uses a contractor to develop a mobile app without a written assignment may later find that the contractor owns the code and could reuse or sell it elsewhere.
Federal law provides a baseline, but state law can add complexity. For example, California law restricts the assignment of inventions developed entirely on an employee's own time without company resources. In New York, assignment agreements must meet general contract requirements, but there are no special statutes restricting assignment of employee inventions. Texas law generally follows the federal baseline but may have unique rules for certain industries, such as oil and gas or pharmaceuticals. Always check for state-specific nuances.
In addition to legal protection, having clear IP assignment agreements can streamline due diligence in funding rounds, mergers, or acquisitions. Investors and buyers often require proof that all IP is owned by the company, not by individual founders, employees, or contractors. Missing assignments can delay or kill deals.
Checklist: What To Include In An IP Assignment Agreement
A well-drafted IP assignment agreement should be specific, clear, and tailored to the type of IP involved. Here is a practical checklist for US small businesses and startups:
- Identify the parties: Clearly name the assignor (person or entity transferring the IP) and the assignee (your business).
- Describe the IP: Be as specific as possible. List titles, registration numbers, project names, or attach schedules with detailed descriptions.
- Scope of assignment: State whether the assignment is full or partial, and whether it covers existing and future IP.
- Effective date: Specify when the transfer takes effect. For founders and employees, this is often the start date or date of agreement.
- Consideration: Under US contract law, there must be something of value exchanged (e.g., payment, equity, continued employment).
- Warranties and representations: The assignor should confirm they have the right to assign the IP and that it does not infringe others' rights.
- Further assurances: Require the assignor to help with any filings, registrations, or other steps needed to perfect the assignment.
- Governing law: Specify which state's law will apply to the agreement.
- Signatures: Both parties must sign. For companies, include the authorized signatory's title.
For assignments involving patents or trademarks, you may also need to file the assignment with the USPTO or relevant state office. For copyrights, recordation with the US Copyright Office is optional but can provide additional legal benefits.
Here is a sample clause for assigning future IP: "The Assignor hereby assigns to the Assignee all right, title, and interest in and to any and all intellectual property created, conceived, or developed during the term of employment or engagement, whether alone or with others, that relates to the business of the Assignee." This language helps ensure that new inventions or works created after signing are also covered.
Checklist for implementation:
- Use clear, unambiguous language describing the IP being assigned.
- Include assignment clauses in employment and contractor agreements.
- Address both existing and future IP.
- Ensure all parties sign and date the agreement.
- Maintain organized records of all signed agreements and filings.
- File assignments with the USPTO or state offices as needed.
For example, a SaaS startup should have each developer sign an IP assignment agreement covering all code, documentation, and related materials created during their engagement. If the startup later files a patent, the assignment can be used to show clear ownership at the USPTO.
Common Mistakes With IP Assignment Agreements
Many startups and small businesses run into trouble because of avoidable mistakes with IP assignment agreements. Here are some of the most common issues to watch for:
- Assuming payment equals ownership: Paying a contractor or employee does not automatically transfer IP rights. You need a written assignment.
- Using vague descriptions: If the agreement does not clearly identify the IP, it may be unenforceable or lead to disputes later.
- Forgetting future IP: If your agreement only covers existing IP, new work created after signing may not be assigned. Include language covering future creations.
- Not updating agreements after changes: If your business pivots, adds new founders, or changes its structure, update your assignments to reflect the new reality.
- Failing to record assignments: For patents and trademarks, failing to record the assignment with the USPTO can leave your rights vulnerable to third parties.
- Ignoring state-specific rules: Some states have special rules about assignment of inventions or employee-created IP. For example, California restricts assignment of inventions developed entirely on an employee's own time without company resources.
- Overlooking prior agreements: If a founder or contractor previously assigned IP to another party, your assignment may not be effective. Always check for prior obligations.
- Not including assignment clauses in offer letters: Sometimes, startups forget to include assignment language in initial offer letters or onboarding documents. This can create gaps in ownership.
For example, a startup that hires a freelance developer without a written assignment may later discover that the developer owns the code. If the developer is uncooperative or cannot be located, this can block funding or product launches. In another case, a business that fails to record a trademark assignment with the USPTO may lose priority if a third party files a conflicting claim.
State law can also create traps. In California, Labor Code Section 2870 limits an employer's ability to claim inventions created entirely on an employee's own time without using the employer's resources. In Illinois, the Employee Patent Act provides similar protections. Always tailor your agreements to comply with both federal and state requirements.
How To Implement IP Assignment Agreements In Your Business
Putting IP assignment agreements in place early can save your business from headaches down the road. Here are practical steps for founders and operators:
- Audit your IP: List all key IP assets, code, designs, trademarks, patents, trade secrets. Note who created each one and whether you have written assignments.
- Get assignments from founders: All founders should assign any IP created before or during the company's formation to the business entity. This is especially important if the company is seeking investment or planning to register IP.
- Include assignment clauses in employment and contractor agreements: For employees, include "work made for hire" language and a present assignment of IP. For contractors, use a standalone assignment agreement or include clear assignment terms in the contract.
- Cover future IP: Use language that assigns not just existing but also future IP created during employment or engagement. This avoids gaps if new inventions or works are developed after the initial agreement.
- Record assignments where required: For patents and trademarks, file the assignment with the USPTO. For copyrights, consider recording with the US Copyright Office for added protection. For state-registered trademarks, file with the relevant state office.
- Update agreements as your business evolves: If you bring on new team members, pivot your product, or expand into new states, review and update your IP assignments. This is especially important if your business moves to a state with unique IP assignment laws.
- Keep organized records: Store signed agreements and proof of filings in a secure, accessible location. Investors and acquirers will want to see these during due diligence.
For example, a SaaS startup should ensure all code, product names, and logos are assigned to the company, not just to individual founders or developers. This is often a key due diligence item for investors. If your business later acquires another company or product, make sure to obtain and record assignments for all relevant IP as part of the transaction.
Practical tips for founders and operators:
- Review all existing employment and contractor agreements for IP assignment clauses.
- Use a standard IP assignment template, but tailor it for each role or project.
- Train HR and hiring managers to include assignment agreements in onboarding packets.
- Schedule regular IP audits, especially before funding rounds or major product launches.
- Consult with a qualified attorney if you operate in states with unique IP laws or if you have international contractors.
For example, a tech startup in California should ensure its agreements comply with Labor Code Section 2870 and do not overreach on inventions created outside work hours. A business expanding into Texas should review industry-specific rules that may affect assignment of certain inventions or trade secrets.
FAQs
Do I need an IP assignment agreement with every employee and contractor?
Yes, it is best practice to have a written IP assignment agreement with every employee and contractor who creates or contributes to IP. For employees, include assignment language in the employment agreement. For contractors, use a standalone assignment or include clear terms in the contractor agreement. This ensures your business owns all IP created for it, not just what was created before hiring. Some states, like California and Illinois, have specific rules about what can be assigned, so review your agreements for compliance.
What is the difference between an IP assignment and a license?
An assignment transfers ownership of the IP from one party to another, giving the assignee full control. A license, on the other hand, grants permission to use the IP under certain conditions, but ownership remains with the original owner. For most startups, assignments are needed to secure full rights to core IP, while licenses may be used for collaborations or partnerships. Be clear in your agreements about whether you are assigning or licensing rights.
Do I need to file my IP assignment agreement with the USPTO or Copyright Office?
For patents and federally registered trademarks, you should file the assignment with the USPTO to update the public record and protect your rights. For copyrights, recording the assignment with the US Copyright Office is optional but can provide extra legal benefits, such as the ability to recover statutory damages in infringement lawsuits. State-level trademark assignments may also need to be filed with the relevant state office if you have state registrations. Filing is especially important if you plan to enforce your rights or transfer IP in the future.
Can I assign future IP that has not been created yet?
Yes, US law generally allows assignment of future IP, but the agreement must use clear language indicating that future inventions or works will be assigned as they are created. For example, "Employee hereby assigns to Company all right, title, and interest in any inventions developed during employment." Check state law for any additional requirements or restrictions, especially for inventions created outside work hours or with personal resources. Some states require that employees be notified of their rights regarding inventions created off the clock.
What happens if I do not have IP assignment agreements in place?
If you do not have IP assignment agreements, your business may not own the rights to key assets like code, logos, or inventions. This can lead to disputes, prevent you from registering IP, or block funding and acquisition deals. It may also make it difficult to enforce your rights against third parties. In some cases, you may have to negotiate assignments after the fact, which can be costly or impossible if the creator is uncooperative or cannot be found.
Key Takeaways
- IP assignment agreements are essential for US startups and small businesses to secure ownership of their core intellectual property.
- Do not assume payment or employment alone transfers IP, use clear, written agreements covering both existing and future IP.
- Include specific descriptions, effective dates, consideration, warranties, and further assurance clauses in your agreements.
- Record assignments with the USPTO for patents and trademarks, and consider recording with the Copyright Office for added protection.
- Regularly audit your IP, update agreements as your business grows, and keep organized records to avoid future disputes or funding issues.
- Be aware of state-specific rules that may affect the assignment of inventions or employee-created IP, especially in states like California and Illinois.
If you need help preparing or reviewing IP assignment agreements or other contracts for your US business, contact our team at (888) 449-8437 or team@sprintlaw.com. Where legal services are required, they are delivered by licensed lawyers at trusted US law firms through the Sprintlaw platform.








