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Oppenhuizen Law PLC

Patent Attorney
5 (15 reviews)

About

Bar Admissions, Licenses, and Memberships U.S. District Court for the Western District of Michigan, 2006 U.S. District Court for the Eastern District of Michigan, 2007 Top Lawyer 2021, Grand Rapids Magazine Rising Star in the field of Intellectual Property, 2017 Rising Star in the field of Intell...

Specialties

Mechanical

Services

  • Patent Prosecution
  • Provisional Patent
  • Utility Patent
  • Design Patent
  • Patent Search
  • PCT International
  • Trademark
  • Copyright
  • Trade Secret
  • IP Portfolio

Reviews

Google Reviews
Brandon Gray Oct 2025

Came in to the office kind of blind and on short notice. David not only walked me through the patent process helping be better understand the hurdles that lie before me but also how to navigate them. ...

Felipe Porto Sep 2024

David Oppenhuizen was fundamental to have my business name registered without complications. He is extremely knowledgeable, and responsible. He informed me of the entire process and what to expect on ...

Onyx Prism Aug 2024

David is the chillest lawyer, very helpful, and a pleasure to work with. We will be going with him again when we need TM services in the future.

Ryan Lahaie Mar 2024

David makes TM legal matters easy. He is very attentive and works quickly to get things filed on your behalf. I strongly recommend Oppenhuizen Law PLC!!!

Nicolas Lategan Aug 2023

We used David Oppenhuizen Law PLC to do a trade mark registration for us. David is a very professional and pleasant to deal with person, and it has been simply a joy to engage with him. His fees are...

tracy May 2023

David was absolutely amazing to work with and very knowledgeable. I highly recommend any small business to work with him.

Mike Kasmauskis Jan 2023

This firm is always on top of our renewals. They figure out all the paper work so all you have to do is approve the renewal and maybe send in some samples. Super easy to work with. I highly recomme...

Braden Kuhns Nov 2022

Working with Dave has been great! He is very knowledgeable and is there to help you at every step with any questions you might have.

Jacklyn Headrick Oct 2022

Where do I start, Dave Oppenhuizen is "The BEST" Patent attorney!!! He always lets me know when one of our Patents or Trademark needs to be renewed, SO fair, extremely timely, and very professional. ...

Karen Kemme May 2022

David is wonderful to work with! He is kind and understanding and always prompt with communication. He has helped me through numerous copyright infringement cases and also helped us Trademark our Bus...

Adam Koster Apr 2022

Dave has been exceptional throughout my experience working with him. He is beyond detail oriented and really goes above and beyond what is required for trademark services. I have really relied on hi...

Chip LaFleur Dec 2021

I have worked with Mr. Oppenhuizen on several occasions when considering and registering trademarks for ourselves and our clients. I recommend his office every chance I get, because the work is stella...

Brett Kincaid Jun 2021

Knowledgable patent/IP strategy and services. Easy to work with and very responsive. Recommended.

Tyler Smith Jun 2020

Great service and incredibly responsive. A trusted resource for trademark matters.

Estimated Pricing

Provisional Patent $4,035 National Average
Non-Provisional Patent $9,086 National Average
Flat Fee & Hourly
Design patents
Foreign patents
Utility patents
PCT patent applications
Foreign trademark registration
Provisional patent applications
Trademark searches and opinions
Post-Issuance Patent Proceedings
National Stage patent applications
Consultation for common law trademarks
Federal and state trademark registration
Patent searches and patentability opinions

The website states that Oppenhuizen Law offers a variety of legal services, but does not provide any specific pricing information. It does mention that the firm will lay out options and pricing details based on the client's specific needs.

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