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David has extensive experience in all aspects of domestic and international intellectual property law. His expertise includes the prosecution of patent, trademark and copyright applications; clearance and infringement opinions; preparation and negotiation of licenses and assignments; and advising clients on trade secret issues.
A delegate to the United Nations for the World Summit for the Information Society (WSIS), David authored a treatise that was presented at the 2005 WSIS Tunis Summit. He also attended the Geneva Summit in 2003. He has made presentations on patent and copyright laws, and has participated in panel discussions with European patent attorneys on the harmonization of the intellectual property laws between the United States and other countries worldwide. His experience also includes the position of Electronics Engineer with the U.S. National Security Agency.
David received his law degree from the Michigan State College of Law, and a B.S.E.E. from the University of Michigan. He is admitted to practice in the state courts of Michigan, the United States District Courts for the Eastern and Western Districts of Michigan, the United States Court of Appeals for the Federal Circuit, and the United States Patent and Trademark Office. David was rated a Top Lawyer multiple times by both DB Magazine and American Lawyer Media, and has received an AV®Preeminent™rating from Martindale-Hubbell.*
He is a member of the State Bar of Michigan, the American Bar Association, the United States Patent Bar, the American Intellectual Property Law Association, the Michigan Intellectual Property Law Association, the Institute of Electrical and Electronics Engineers, and a Fellow with the Center for International Legal Studies.
4
Practice Areas
33 years
33 years
33 years
33 years
Free Consultation
$0 first 30 minutes
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Chat withState: Michigan
Acquired: 1992
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370 E. Maple Road, Third Floor, Birmingham, MI, 48009
5 Client Reviews
Showing 1 - 5 of 5 reviews
Posted by Nathan | December 10, 2021 | Hired Attorney | Trademark Application
The Only Good Attorney for Trademarking
A few years ago, we were trying to trademark our company name and a lot of attorneys were saying that it wasn't possible because it was too common. These were by no means "cheap" attorneys, they were located in places including Los Angeles, Beverly Hills, and Orange County, but every one of them said...
Posted by anonymous | December 07, 2020 | Employment & Labor
Great Attorney!
I have been in contact with David regarding some concerns I had with an employment agreement. David was very friendly, professional, and helpful addressing my concerns. He advised and guided me on a critical issue I had. Thanks David!
Posted by Thom | September 06, 2015 | Hired Attorney | Patent Application
Excellent IP Attorney and Advisor
David has worked with us for 6 years, steering us through the patent, trademark and new business land mines with success. His domestic and international expertise has been important as it regards our international expansion. We have had a great number of patent and trademark issues, all of which ha...
Posted by Lenore | August 26, 2015 | Hired Attorney | Litigation
Great IP Attorney
David has been an excellent support to me and my organizations. I've had opportunity to utilize his services for everything from defense litigation to copyright and trademark applications. He handles matters thoroughly and explains the process, alternatives and recommendations in a way that non-IP ...
Posted by Robert | August 26, 2015 | Hired Attorney | Intellectual Property
Excellent Patent & Trademark attorney for start up project
I have been working in my free time on a start up business project that involves a new consumer product I had created. I needed a patent attorney who was willing to provide keen IP advice and prepare the patent filings under a strict budget. I was referred to David Simonelli by my patent Illustration...
"Having read and agreed with Attorney Simonelli's responses on this forum for more than a decade, I endorse this lawyer. His comments are consistently cogent and practical."
"I endorse Attorney Simonelli. I have viewed his responses and advice that he has offered on a wide range of topics and have found it on point and insightful."
"David is hard working, well prepared, respected and dedicated to outstanding results for his clients. His considerable legal skills are only surpassed by the fact that he is a complete professional to deal with and a true gentleman. He is the kind of attorney you want by your side when you need results."
Intellectual property lawyer
Intellectual property lawyer
Litigation lawyer
2023
AV Rated, Martindale-Hubbell®
2023
Super Lawyer, Thomson Reuters
2020
Top Lawyer, dBusiness
2016
Top Lawyer, dBusiness
2016 - Present
Intellectual Property Attorney, Simonelli IP
2007 - 2015
Shareholder, Reising Ethington PC
2001 - 2007
Member, Clark Hill PLC
Admitted to Practice
Admitted to Practice
Admitted to Practice
2008 - 2016
AIPLAMember
1994 - 2010
IEEEMember
We were successful in every aspect of the case. The patent was not infringed and the claims were found to be invalid.
1992
JD - Juris Doctor
1986
BS - Bachelor of Science
2015
Patent Prosecution Master Class - Best Practices for Drafting Claims In the Post-AIA Landscape
2014
Resources for Navigating the Patent System
2014
Mastering the Intricacies of USPTO Practice Post-Patent Reform
2021
2015
2015
2013
2005
English
Legal Answers
Does AVVO have live chat consultations or plans for that?
23 Dec 2025
How can I file a lawsuit against a national company that has stolen my intellectual property?
02 Dec 2025
Do i need to change my business name & website domain containing "NCLEX" or I can keep by adding disclaimer?
05 Sep 2025