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Lesley A. Wallerstein, LLC

Patent, Trademark & Copyright Law

Respected by her peers, trusted by her clients. Lesley A. Wallerstein, Esq. 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.

In 2019, in 2020, and again in 2021, 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.

Contact Lesley A. Wallerstein, Esq.

Please reach out to me so I can personally answer any questions you have.

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Latest News

Lesley A Wallerstein, LLC Celebrates 10th Anniversary

Lesley A Wallerstein, LLC Celebrates 10th Anniversary

This summer, the law firm celebrated its 10th anniversary. Here is a look back at our accomplishments to date. We have successfully prosecuted over 40 patents, and almost 200 trademarks. Please join me in congratulating Brett on his 4th patent, and Steve for his 6th...

Law Firm Earns Women’s Business Enterprise Certification

Law Firm Earns Women’s Business Enterprise Certification

Lesley A. Wallerstein, LLC, proudly announces the law firm has earned Women’s Business Enterprise (WBE) certification from the Women's Business Enterprise National Council. I thank my parents for believing in my ability to do math and science. When I arrived at MIT...

Raise your sleeve and raise a glass to this real life virus slayer

Raise your sleeve and raise a glass to this real life virus slayer

As our states and counties roll out the COVID-19 vaccines this spring, the law office would like to recognize a scientist who made it possible. Dr Kizzmekia Corbett is an immunologist and lead vaccine researcher at the National Institutes of Health Virus Research...

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