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Patent Baron

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Don’t Let Others Take Your Intellectual Property Without Your Permission

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Your Michigan Intellectual Property Attorney


Are you an inspiring inventor or entrepreneur looking to make a name for yourself and your business with a new idea or an in-house counsel struggling with your patent portfolio? The Patent Baron is here to help. With experience as both a patent attorney for a wide range of clients (and an inventor myself) and a multi-billion dollar firm in-house counsel, I’ve been on both sides of the patent process.

If you’re ready to start focusing on big-picture plans instead,
I’d be happy to have a conversation with you to discuss how I can help.

Call me at 248.282.9184
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John Reveles profile picture
John Reveles
80 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Words don't do justice on the service is rendered. The time appropriate responses The transparency clarity, integrity and willingness to work with new patent app. Filers and inventors and just as eager as you are for your patent and inventions if there was a 10 star review I'd give him a 20. I'm not just saying that he made the little man feel like he was at the top of the totem Pole in all areas and he worked on my stuff as fast as somebody that paid him everything up front maybe even faster Knows how to communicate in a way that anybody will be able to understand he knows, are the type of things you want to look for when it comes to having somebody be at the helm of the ship. So to speak not only do I recommend him I commend him, and every one of his staff members i've had the amazing opportunity to interact with no matter how minuscule or lengthy the interaction was it was pure genuine warm and friendly ***GOD-SENT PATENT BARON CLIENT HERE WRITTING THIS*** YOU STICK TO YOUR WORD HE STICKS TO HIS
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ROBERT YOUNG profile picture
ROBERT YOUNG
83 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
The Patent Baron/ Liezel Santos are great to work with they keep in contact with you through the application process and drafting your provisional application. THANK YOU APPRECIATE YOU BOTH.
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Shaun Callahan profile picture
Shaun Callahan
89 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Very helpful, great experience and fast response!
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Ashley Weaver profile picture
Ashley Weaver
193 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I can’t say enough good things about Baron. From start to finish, he has been incredibly patient, taking the time to explain everything clearly. Baron’s attention to detail is unmatched—his writing is thorough and precise. Also, Baron is mindful of costs. He is always considerate of my situation and made thoughtful decisions to keep things as efficient and affordable as possible without ever sacrificing quality. If you’re looking for someone who is knowledgeable, detail-oriented, and genuinely cares about his clients, I highly recommend Baron.
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Robert Young profile picture
Robert Young
213 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Had a meeting with Baron this afternoon, he was very informative a down to earth guy enjoyed our meeting looking forward to working with him.
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Peggy Petit profile picture
Peggy Petit
294 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
So patient and understanding. I live in Fla, they reach out anywhere you need! Thank you Mr Baron & Liezel
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Michael Montgomery profile picture
Michael Montgomery
363 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
If you need any quality advice and work on intellectual property and related issues, make sure you talk with Baron. He has a great experience as an attorney in the field and is a great guy, super smart and enthusiastic! Was great to meet you!
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Brian Schroer profile picture
Brian Schroer
426 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I’ve had some trademark troubles recently. The Patent Baron called the very next morning upon me reaching out. Without any payment involved I was able to explain what I was going through and I was given multiple options along with lots of knowledge. I was not rushed and he made sure he covered everything I wanted to be covered before hanging up. This goes to say I will 100% use them for any future endeavors.
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John Kolditz profile picture
John Kolditz
467 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Very knowledgeable about IP, which really shows since Barron has invented things himself. Friendly, approachable, and made the whole process easy to understand. Highly recommend!
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Dave Engel profile picture
Dave Engel
471 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Professional that knows every facet of patent law. Easy to work with and extremely helpful.
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Meet J. Baron Lesperance

Get to Know the Patent Baron


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Registered Patent Attorney and Founder of The Patent Baron, PLLC, J. Baron Lesperance brings over 20 years of IP legal experience to help clients put a lock on their ideas.  He understands the inventive process because he is also an engineer and inventor.  Baron holds degrees in electrical and mechanical engineering with 6 years of automotive industry experience.  In addition, he has been on both sides of the attorney-client relationship, having been corporate patent counsel for a multi-billion dollar corporation and outside counsel at large firms.  He understands how to manage IP portfolios, build IP assets, and drive additional revenue using IP.  He and his team of talented people are ready to help you take the next step in building your most important asset – your IP.

Contact Us Today!

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Call us at 248.282.9184 to speak with one of our experts.

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Why Work With The Patent Baron?


Coming up with an idea only the first hurdle. Once created, protecting it from others becomes a whole new, daunting task. Let me help keep your ideas on lock with the following:

  • Over 20 Years of Industry Experience

    Over 20 Years of Industry Experience
  • Inventor & Patent Holder

    Inventor & Patent Holder
  • Big Firm Services with Small Business Feel

    Big Firm Services with Small Business Feel
  • IP Portfolio Management

    IP Portfolio Management
  • Registered U.S. Patent

    Registered U.S. Patent
  • Dedicated to Providing You with All the Facts

    Dedicated to Providing You with All the Facts

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Frequently Asked Questions

Your Intellectual Property Questions Answered

  • Determining if your product can be patented hinges on it being novel, non-obvious, and useful. Essentially, this means your invention must be unique, not a simple modification of existing products, and it should serve a practical purpose. At Patent Baron, we simplify this process by conducting a comprehensive review of your product against these criteria, including a detailed patent search to ensure its originality. We're here to make this journey straightforward and informative, guiding you through every step to secure your intellectual property rights. If you're curious about your product's eligibility for patent protection, we encourage you to reach out for a personalized assessment.
  • In the United States, trademark protection lasts for 10 years from the date of registration with the possibility of indefinite renewals every 10 years, provided the trademark remains in use and all necessary maintenance documents are timely filed. Between the fifth and sixth year after registration, you must submit a “Declaration of Use” to the USPTO to demonstrate ongoing use, and similar documentation is required for each renewal. Our team is here to assist you with these processes, ensuring your brand's protection continues seamlessly. For any queries about trademark maintenance or renewal, we're ready to provide the guidance you need.
  • If you discover that someone is infringing on your copyright, there are several steps you can take to protect your rights. Initially, we recommend contacting the infringer directly with a cease-and-desist letter, which is a formal request for them to stop the unauthorized use of your copyrighted material. If the infringement persists, you have the legal right to file a lawsuit for copyright infringement, seeking damages and an injunction against further misuse. Patent Baron is here to guide you through this process, from drafting the initial cease-and-desist letter to representing you in court if necessary. We understand how important your creative work is to you, and we're committed to defending your copyright as if it were our own.
  • A trademark may be denied for several reasons, with common issues including a likelihood of confusion with an existing trademark, descriptiveness or generic terms that directly relate to the goods or services offered, and lack of distinctiveness. If a proposed trademark is too similar to an already registered mark in the same or related category, it may confuse consumers, leading to rejection. Additionally, trademarks that merely describe the goods or services (e.g., "Cold Beer" for a beer brand) or are widely used terms within the industry might not be granted protection. Our team is adept at identifying potential obstacles and crafting strategies to enhance the distinctiveness and registrability of your mark, aiming to secure your brand's protection effectively.
  • Determining the type of intellectual property protection you need depends on the nature of your creation or invention. If you've developed a novel product, process, or technological advancement, a patent might be the most suitable form of protection. For unique symbols, names, or logos identifying your business, a trademark would be appropriate. Copyright protection is ideal for original works of authorship, including literature, music, and art. Additionally, if your business relies on confidential and proprietary information, trade secret protection could be essential. Our team is committed to understanding your specific needs and guiding you towards the most effective form of protection, ensuring your intellectual assets are securely safeguarded.

Contact Us Today!