Estate Planning & Business Law in Libertyville, IL
Protect Your Family. Protect Your Business. Protect Your Legacy.
Lexern Law Group helps business owners, doctors, dentists, CPAs, veterinarians, and other licensed professionals navigate the complexities of business and estate planning in Illinois and Wisconsin. Our team focuses on strategies to protect assets, plan for succession, and secure your family and business legacy.
How We Help You
Why Lexern Law Group?


“Oleg Feldman is the “entrepreneur’s attorney” and I don’t know what we’d do without him. His expertise in the various nuances of business law have made us smarter, more responsive, more strategic, and more at ease. He is truly a trusted advisor who I can count upon for wise counsel in situations that vary from the mundane to the critical. As a CEO, I feel more confident about the future, knowing that Oleg is by our side. I couldn’t recommend him more highly than I do.”
“The professionalism that was afforded to me by Oleg made me feel comfortable and reassured me throughout the whole process.”
“Oleg Feldman has been invaluable to our business. His legal expertise and timeliness are always appreciated. He is the attorney we trust with personal and business matters.”
“I’ve been a client of the Lexern Law Group for over 2 years, to my complete satisfaction.
I am especially thankful for the effect his services had on actual success of my business.
As a direct result of Oleg’s knowledge and expertise I was able to conduct my business in the most effective manner, avoiding situations that would have been quite costly to me financially.”
“The Lexern Law Group were very responsive and timely in handling some employment legal issues for my business. They provided options and outlined the expected results, allowing me to make an informed decision. I felt very confident in their expertise. I will definitely use them in the future.”
“Very professional. Thorough – great attention to detail. Responsive.”
“Great recommendations and service. Not nickeled and dimed for every question.”


Recent Blog Posts
Top 10 Estate Planning Mistakes Doctors Make
Physicians spend years building a thriving practice—but many overlook the estate planning steps that protect their business, income, and family if something unexpected happens. The result? Court delays, tax headaches, operational chaos, and personal [...]
Should Executives in Wisconsin Put Employer Stock Into a Trust?
Corporate executives in Wisconsin often receive a large portion of their compensation through restricted stock units (RSUs), stock grants, or employer equity awards. As your shares vest, they can quickly become a significant part [...]
What Business Owners in Illinois Must Fix in Their Estate Plan Before They Sell
If you’re a business owner in Illinois preparing for a sale, here’s a question most people don’t think to ask: “Is my estate plan ready for this transaction?” And the honest answer is usually: [...]
Estate Planning for Dentists Selling Their Practice in Illinois
Estate planning for dentists doesn't need to be complicated. What happens to your dental practice—and your wealth—when you decide to sell or retire? For Illinois dentists, selling a dental practice isn’t just a business [...]
The Digital Ghosts You Leave Behind
It’s Halloween—a season of ghosts, goblins, and spooky surprises. But one of the scariest things you can leave behind for your family isn’t a haunted house. It’s your digital ghosts—unprotected online accounts, lost passwords, [...]
Avoiding Digital Nightmares: Legal Tools for Digital Estate Planning
Imagine this: your family tries to log into your email or PayPal account after you pass away, but they’re blocked. Without proper planning, your digital assets could be locked forever, no matter how valuable [...]







