Jason Wapiennik is a customs attorney and the founder of Great Lakes Customs Law. For more than 15 years, he has focused exclusively on U.S. Customs & Border Protection matters, helping individuals and importers nationwide resolve seizures, penalties, prior disclosures, RFIs, protests, classification disputes, AD/CVD issues, offers in compromise, drawback questions, and more—including matters that reach federal court and the Court of International Trade. He has handled 700+ cases, has more than 100 active matters at any given time, and has recovered over $11 million for clients. Jason knows the FP&F process at ports around the country and has built strong working relationships with the officers and teams who decide these cases. Based in Illinois and Michigan, he serves clients from offices in Chicago and Detroit and works remotely nationwide. Before founding the firm in 2009, he trained at Edmund Maciorowski, P.C. His results are visible in published outcomes and rulings, but many wins happen quietly through practical advice that prevents larger problems.
About Jason P. Wapiennik
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Leave a review about your experience with this lawyer.I highly recommend Jason for anyone seeking reliable legal representation. Throughout my case, he demonstrated extensive knowledge and provided clear, practical guidance every step of the way. His instructions were always easy to understand and he is very organized, which made the process much less stressful. He consistently answered all of my questions promptly and thoroughly, ensuring I was informed and confident throughout the case. I am very grateful for his support and would not hesitate to work with him again or recommend him to others.
Total satisfaction with the results, from the beginning, explaining how everything works, what was needed for the case to be successful, the communication throughout the process, until the case was resolved
I cannot recommend my customs attorney enough. We were facing a customs issue involving a bill of nearly $200,000, and he was able to step in, navigate the situation professionally, and negotiate it down to approximately $20,000. Throughout the entire process, he was knowledgeable, responsive, strategic, and extremely experienced with import and customs matters. If you are dealing with import/export issues, customs disputes, duties, or international trade concerns, I highly recommend reaching out to him. His expertise saved our company a substantial amount of money and stress.
Jason did a great job representing us. He is very knowledgeable, thorough, and organized. His guidance resulted in the best outcome possible. We are very happy with his service and highly recommend him.
We needed fast, reliable guidance on a complex HS classification issue with real financial impact. We’ve used this firm multiple times and keep coming back for a reason. They provided clear, well-supported guidance on a complex HS classification with real financial impact, plus practical help to correct prior entries. Responsive, professional, and reliable under deadline pressure.
I had a series of customs valuation and compliance questions and needed clear, practical advice. The firm was responsive and explained the rules in a way that was easy to understand. They helped me navigate tricky issues, avoid potential penalties, and make informed decisions with confidence.
I highly recommend Mr. Jason P. Wapiennik. They were very professional, knowledgeable, and supportive throughout my case. They kept me informed every step of the way and truly cared about helping me. Thanks to their hard work and dedication, we won the case. I’m very grateful for everything they did and would definitely recommend them to anyone looking for an excellent lawyer.
Excellent service navigating the tariff challenges cross border importing from Canada to the USA. We are a manufacturer of different and unique products and Jason was an authority on rulings-based classifications, which we found very helpful in our CBP dealings.
Contact Jason P. Wapiennik
32437 5 Mile RoadLivonia, MI 48154U.S.A.
333 South Wabash AvenueChicago, IL 60604U.S.A.
Other Office Location
Chicago, IL
333 South Wabash AvenueChicago, IL 60604U.S.A.
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Legal Community Contributions
- Q&A Is it illegal to marry someone for immigration paper without them knowing? Aug 14, 2012 • Immigration
- Q&A What are the possible outcomes of a first time DUI if it is a first offense? Aug 11, 2012 • DUI/DWI
- Q&A How long does it take to sponsor a family? Aug 10, 2012 • Immigration
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Attorneys FAQs
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Is this attorney admitted to the bar in more than one state?Yes, Jason P. Wapiennik is admitted to practice in Illinois and Michigan.
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Does this attorney maintain a professional presence on any social networks?Yes, Jason P. Wapiennik has a professional profile on LinkedIn.
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Does this attorney speak any other languages?Jason P. Wapiennik speaks Polish.
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Does this attorney maintain a practice in more than one location?Yes, Jason P. Wapiennik has a presence in Chicago, IL.
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What law school did this attorney attend?Jason P. Wapiennik attended Ave Maria School of Law.