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By J.D. Houvener
Patent Attorney and Founder

Good morning! Today, I’ll answer a common question: Do I need a prototype before filing a patent?

Hi, I’m JD Houvener, founder of Bold Patents Law Firm. Over the past 10+ years, I’ve helped inventors secure nearly 500 patents. I also wrote Bold Ideas: The Inventor’s Guide to Patents and created a free Inventor Kit to help you get started. Click the link below to check it out!

Now, let’s dive into prototyping.

Do You Need a Prototype for a Patent?

The short answer is no. A prototype isn’t required to file a patent. Years ago, patent rules were stricter—you had to prove your invention worked as described. That’s not the case anymore.

Today, if you can clearly explain your idea in words and drawings, patent examiners can evaluate it without a physical prototype. Your explanation needs to be detailed enough that someone skilled in your field could recreate it. This is known as “enablement.”

However, having a prototype can still be valuable.

Why Prototypes Are a Good Idea

Even though it’s not legally required, prototyping helps in two important ways:

  1. Refining Your Invention:
    • Prototyping helps you understand how your idea works in the real world.
    • You’ll discover design flaws or improvements early, before committing to a patent.
  2. Aligning Your Patent with Your Product:
    • Without a prototype, your patent might protect an early version of your idea that doesn’t match the product you eventually sell.
    • A prototype ensures your patent covers what’s actually going to market.

Here’s how I suggest approaching this:

  • File a provisional patent application first.
  • Use the next year to prototype, refine, and finalize your product design.
  • When ready, file a non-provisional patent application for the finalized version.

Iterating After Launch

Your first prototype is just the beginning. Once you start selling your product, you’ll likely gather feedback. Maybe customers suggest tweaks or new features. These could lead to improved designs—or even new inventions!

For example:

  • Switching to a different material during manufacturing.
  • Adjusting packaging for better usability.
  • Adding new features based on user feedback.

Each of these changes could be patentable, leading to version 2, 3, and beyond.

Final Thoughts

While a prototype isn’t required for a patent, it’s a step I highly recommend. It ensures your patent protects what you’re actually selling and helps you refine your idea for success.

Got more questions about patents or prototyping? Feel free to reach out.

Have a great day—and remember: Go big. Go bold.

About the Author
J.D. Houvener is a Registered USPTO Patent Attorney who has a strong interest in helping entrepreneurs and businesses thrive. J.D. leverages his technical background in engineering and experience in the aerospace industry to provide businesses with a unique perspective on their patent needs. He works with clients who are serious about investing in their intellectual assets and provides counsel on how to capitalize their patents in the market. If you have any questions regarding this article or patents in general, consider contacting J.D. Houvener at https://boldip.com/contact/