Can an employment NDA legally claim ownership of my personal side projects?

No, an employment NDA or invention assignment agreement cannot automatically claim ownership of all your personal side projects. While employers often draft broad language, state-specific labor laws frequently override these clauses, protecting work created on your own time, without company resources, and unrelated to your employer's core business.

The Legal Reality of Invention Assignment Clauses

Most employment contracts contain an "Invention Assignment" clause, which is distinct from a standard Non-Disclosure Agreement (NDA). While an NDA protects trade secrets, an assignment clause transfers ownership of your intellectual property (IP) to the company. Employers use these to ensure they own the code, designs, or products you create while on their payroll.

The Three-Prong Test for Ownership

In many jurisdictions, for an employer to legally claim your side project, the work must generally meet all three of these criteria:

• Time: The work was created during your working hours.
• Resources: The work was created using company equipment, software, or proprietary data.
• Relevance: The work relates directly to the employer's business or actual/anticipated research and development.

Key takeaway: If your side project fails any one of these three prongs, it is highly likely that you retain full ownership, regardless of what your contract claims.

Action Item: Audit your current contract for the specific definition of "Inventions." If it is overly broad—covering "any and all ideas conceived during employment"—you should seek a carve-out or disclosure agreement.

Jurisdictional Protections: State-by-State Differences

Your rights depend heavily on where you reside. Some states have enacted "Employee Invention Protection Acts" that explicitly limit the scope of what an employer can claim.

Action Item: Check if your state has an "Employee Invention Protection Act." If you live in a state with these protections, any contract clause that attempts to waive these rights is often considered void as a matter of public policy.

Red Flags in Your Employment Contract

When reviewing your contract, look for these specific red flags that indicate an overreaching agreement:

• "Any and all" language: Clauses that claim ownership of "any and all ideas, whether or not patentable, conceived during the term of employment."
• Lack of "Prior Inventions" disclosure: If the contract does not provide a space to list existing projects, you are at risk of the company claiming your pre-existing work.
• Broad definitions of "Business": If the contract defines the employer's business as "any technology or software," it effectively attempts to claim everything you build.

How to Mitigate Risk

1. Disclose Early: Create a "Prior Inventions" document and attach it to your employment agreement. List every side project you are currently working on.
2. Strict Separation: Never use a company laptop, company-licensed software (like Adobe or JetBrains), or company cloud storage for your side projects.
3. Document Your Time: Keep a log of when you work on your side projects to prove they occur outside of your 9-to-5 schedule.

Key takeaway: Never assume your employer is aware of your side projects. Proactive disclosure is your strongest legal defense against future ownership disputes.

Action Item: Create a simple spreadsheet documenting the start date, development hours, and hardware used for your current side projects. Keep this in a secure, personal location.

The Role of TermScore in Contract Analysis

Navigating the nuances of IP assignment clauses is complex, but you don't have to do it alone. TermScore uses advanced AI to scan your employment agreements, identifying overly broad invention assignment clauses and flagging potential risks to your personal intellectual property. By highlighting these specific sections, TermScore allows you to negotiate with confidence and ensure your side projects remain yours.