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Lesley A. Wallerstein, LLC

Patent, Trademark & Copyright Law

Respected by her peers, trusted by her clients. Lesley Wallerstein is the smart attorney and smart choice. A graduate of MIT and a former patent examiner,  Lesley knows how to write patent and trademark applications and get them done right. Clients trust Lesley to have their back. She takes the time to understand your invention and business goals. Her advice draws from years of technical and legal experience. If you hire Lesley, she will keep you in the loop and guide you where you want to be. From 2019-2026, Lesley’s peers and Super Lawyers selected her as an Illinois Super Lawyer – a distinction reserved for only the top 5% of lawyers in the state. If your product or service is worth protecting, it is worth having a top lawyer on your side. Call or write Lesley today to see how she can help you.

Latest News

Innovation DuPage Welcomed Lesley A. Wallerstein

Innovation DuPage Welcomed Lesley A. Wallerstein

Last Thursday, Innovation DuPage welcomed Lesley A. Wallerstein to teach Patent and Trademark law basics to their Clean Energy Incubator students. The Clean Energy Incubator Program "empowers emerging entrepreneurs in the clean tech industry by providing free access...

Lesley A. Wallerstein an 8-time Illinois Super Lawyer

Lesley A. Wallerstein an 8-time Illinois Super Lawyer

  Lesley A. Wallerstein announces her selection, for the 8th straight year, to the Illinois Super Lawyers list. This is an honor reserved for the top 5% of lawyers in the state. I am grateful to my peers for their continued trust and respect. Most of all, I am...

New York LLC Sticks It to Velcro® Trademark Registration

New York LLC Sticks It to Velcro® Trademark Registration

Lesley A. Wallerstein, LLC is watching with interest to see whether another familiar registered trademark will be declared generic. This year: Velcro®. Inventor George de Mestral observed burs sticking to his clothing. He studied the little balls under a microscope...

Professional Affiliations

Lesley Wallerstein professional affiliations
9.6Lesley Ann Wallerstein

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