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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Work & Employment Rights Ontario » Intellectual Property (IP) Assignment Clauses in Ontario Employment Contracts

Intellectual Property (IP) Assignment Clauses in Ontario Employment Contracts

7 Jun 2026 5 min read No comments Work & Employment Rights Ontario
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Under Ontario employment law, if you are hired specifically to invent, design, or code, any Intellectual Property (IP) you create during working hours or using company resources generally belongs to your employer. Most companies enforce this through a strict IP Assignment Clause in your contract. If you have personal side projects, reviewing your contract with a lawyer for roughly $300 to $600 CAD is highly recommended to protect your own creations.

Ontario has quickly become a global powerhouse for innovation. From the thriving software and artificial intelligence startups in Toronto and Waterloo to the advanced engineering firms in Ottawa, creative professionals are constantly generating incredibly valuable ideas. When you write a brilliant piece of software code, design a new physical product, or craft a unique brand logo, the immediate question arises: who actually owns this creation? Many developers and creators naturally feel a sense of ownership over their hard work.

However, the legal reality in the workplace is very different. 📜 By default, Canadian common law heavily favours the employer when it comes to intellectual property created on the job. To eliminate any gray areas, modern employment contracts almost always include an “Intellectual Property Assignment Clause.” This aggressive legal wording automatically transfers all your rights, patents, copyrights, and moral rights directly to the company. If you are a creator who also tinkers on personal projects in your spare time, understanding how these clauses work is crucial. In this guide, we will outline how IP assignment works in Ontario and how you can protect your personal side hustles.

Step-by-Step Process: Protecting Your IP Rights in Ontario

Navigating the complex world of intellectual property requires proactive planning. Do not wait until your personal side project becomes profitable to figure out who owns it. Follow these steps to secure your rights.

Step 1: Read the Exact Wording of the IP Clause

Before accepting a job, scrutinize the IP assignment clause. Standard clauses state that the company owns anything you create “during working hours or using company resources.” However, aggressive clauses try to claim ownership of any invention related to the company’s business, even if you create it at home on a Sunday night. Identifying an overly broad clause early allows you to negotiate.

Step 2: Carve Out Your Prior Inventions

If you are bringing pre-existing code, personal apps, or unfinished designs into a new job, you must exclude them from the new contract. Ask the employer to include an appendix or an “Exhibit A” in your employment contract specifically listing your “Prior Inventions.” This written record proves that you owned these creations before your first day of work, shielding them from the company’s IP claims.

Step 3: Strictly Separate Your Work and Personal Life

The fastest way to lose the rights to your personal project is “commingling.” Never use your employer-provided laptop, company software licenses, or corporate cloud storage to work on your personal side business. Even drafting a few lines of code on your lunch break while connected to the office Wi-Fi can give a wealthy employer enough legal ammunition to claim ownership of your entire project.

Step 4: Understand the Waiver of Moral Rights

In Canada, creators have “moral rights” to their work, which includes the right to be credited as the author and the right to prevent the work from being distorted or used in a way that harms their reputation. Most Ontario IP clauses require you to explicitly “waive your moral rights.” This means the company can modify your code, scrap your design, or publish it under someone else’s name without asking your permission.

Step 5: Have an Employment Lawyer Negotiate

If a company hands you a terrifyingly broad IP agreement, do not just sign it blindly. 💼 Consult a local employment lawyer who understands the tech sector. A lawyer can redraft the clause to protect your weekend side projects, ensuring the company only owns the specific work they are actively paying you to do between 9 and 5.

How Much Does it Cost to Negotiate IP Clauses in Ontario?

Spending a few hundred dollars to have a professional review your contract can literally save you from losing a million-dollar app idea.

Legal Service / Court FeeEstimated Cost (CAD)
Lawyer Contract and IP Review$300 to $600 (Standard flat fee)
Lawyer Drafting Custom IP Clauses$500 to $1,500 CAD
Hourly Litigation Representation$250 to $600+ per hour
Small Claims Court Filing Fee$108 CAD to start a Plaintiff’s Claim
Superior Court Filing Fee$339 CAD to issue a Statement of Claim

How Long Does an IP Dispute Take?

Resolving an intellectual property conflict early is always the fastest route. Negotiating an IP assignment clause before you sign the employment contract usually takes only 3 to 7 business days as lawyers exchange revised drafts. It is a standard part of executive and developer hiring in Ontario.

However, if you quit and launch a successful app, and your former employer sues you claiming they own the code, the timeline stretches dramatically. 📅 High-stakes intellectual property litigation in the Superior Court of Justice or federal courts is notoriously slow, complex, and expensive. A full lawsuit regarding IP theft or contested ownership can easily drag on for 2 to 4 years before reaching a final resolution.

Frequently Asked Questions (FAQ)

What if there is no IP clause in my employment contract?

Even without a written IP clause, Ontario common law usually dictates that if you were specifically hired to invent, design, or create, the fruits of your labour still belong to the employer. However, the lack of a written clause can sometimes leave room to negotiate ownership of peripheral projects not directly related to your core duties.

Do these rules apply to independent contractors?

This is a major distinction. Unlike regular employees, independent contractors generally retain the copyright to their work unless the freelance contract explicitly transfers ownership to the client. If a company hires you as a contractor, they must ensure the contract has a clear “assignment of copyright” clause, or you might still own the final product.

Can an employer claim an invention I made on the weekend?

It depends on the contract and the context. If you used your own personal computer, worked entirely on your own time, and the invention has absolutely nothing to do with your employer’s business, they generally cannot claim it. If it directly competes with their business, the courts may rule in their favour due to your duty of loyalty.

Are moral rights automatically transferred?

No. Under the Canadian Copyright Act, moral rights cannot be transferred or assigned to an employer; they can only be “waived.” This is why employment contracts specifically ask you to waive your moral rights in favour of the company.

Can I be fired for refusing to sign an IP agreement?

If you are a new hire, the employer will simply retract the job offer. If you are already employed and refuse to sign a new, aggressive IP agreement mid-employment, the employer cannot force you to sign. However, they can legally terminate you “without cause” provided they pay you your full legal severance package.

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