Dempsey Law / Oshkosh

Dempsey Law - Your Trusted Attorneys in Oshkosh, WI

Contact us

Dempsey Law is proud to call the vibrant Oshkosh community home, providing the Fox Cities area with personalized legal services since 1849. We understand the unique challenges and opportunities that Winnebago County residents and businesses face. Whether you’re navigating a challenging business situation, planning for your future, or dealing with a simple or complex real estate matter, our experienced Oshkosh attorneys are here to guide you every step of the way.

Located in the heart of downtown Oshkosh, our flagship office is easily accessible for clients throughout Oshkosh and the surrounding areas. We’re committed to delivering personalized legal solutions that align with your goals and build up our community. 

Dempsey Law proudly serves our clients in the following practices:

Banking & Finance Law

We offer strategic legal counsel for Black River Falls financial institutions, helping them navigate complex regulations, lending transactions, collections, and mergers.

LEARN MORE

Business Succession Planning

Let us help you create a seamless succession plan that ensures the next generation carries your Black River Falls business forward in a way that honors your legacy.

LEARN MORE

Wisconsin Construction Law

From contract drafting and dispute resolution to lien filings and regulatory compliance, we ensure your construction projects in Black River Falls are legally protected.

LEARN MORE

Corporate or Business Law

Let us handle the legal details for your business venture. Whether you’re starting up, drafting contracts, or resolving disputes, we provide legal solutions to keep you focused on growth and success.

LEARN MORE

Estate Planning

Whether crafting a will, setting up a trust, or ensuring healthcare directives are in place, we help clients in the Black River Falls area secure their legacy.

LEARN MORE

Litigation Services of Wisconsin

Our appellate litigation team delivers skilled, strategic representation for clients in the Black River Falls area pursuing or defending appeals in Wisconsin’s state and federal courts.

LEARN MORE

Municipal Law

Local communities thrive when there’s a strong legal foundation in place. We offer municipalities in Black River Falls practical and innovative legal support to tackle compliance, development challenges, and more.

LEARN MORE

Real Estate Legal Services

Let us help you turn opportunities into profitable ventures here in Black River Falls. From negotiating complex contracts to navigating zoning challenges, we’re your trusted partner for commercial real estate transactions.

LEARN MORE

Trust/Estate Administration & Probate

In times of loss, our attorneys provide compassionate and knowledgeable guidance through the estate, trust, and probate process.

LEARN MORE

Banking & Finance Law

Our legal team offers tailored support for banks and financial institutions in the De Pere area, from navigating regulations to structuring loans and resolving disputes efficiently.

LEARN MORE

Business Succession Planning

Protect your Fond du Lac business with comprehensive business succession planning. We work with all types of companies — from family-owned enterprises to large corporations — to ensure a seamless transition.

LEARN MORE

Wisconsin Construction Law

We assist De Pere contractors with a variety of legal services, from drafting ironclad contracts to managing compliance. That way, you can focus on completing projects on time and on budget.

LEARN MORE

Corporate or Business Law

We support De Pere businesses through complex contracts, legal compliance, and dispute resolutions to ensure compliance and boost profitability.

LEARN MORE

Estate Planning

Prepare for the future with personalized estate planning services tailored to Brown County, including wills, trusts, probate assistance, and more.

LEARN MORE

Litigation Services of Wisconsin

Our De Pere appellate litigation attorneys offer representation for clients seeking to challenge or defend trial court decisions in Wisconsin’s appellate courts.

LEARN MORE

Municipal Law

Partner with a law firm experienced in municipal support to address local government concerns related to compliance, contracts, ordinance drafting, and more.

LEARN MORE

Real Estate Legal Services

If you’re buying, selling, or leasing property in the De Pere area, our commercial real estate attorneys are here to help you navigate the ever-changing real estate market, ensuring investments are legally sound.

LEARN MORE

Trust/Estate Administration & Probate

Navigating the estate or probate process after a loss can be overwhelming. Our De Pere legal team is here to guide you through every step.

LEARN MORE

Banking & Finance Law

We provide Fond du Lac financial institutions with trusted legal support in regards to today’s complex financial environment, including regulatory compliance, loan documentation, and more.

LEARN MORE

Business Succession Planning

Protect your Fond du Lac business with strategic succession planning that ensures a hassle-free transition and reduced risk.

LEARN MORE

Wisconsin Construction Law

We help Fond du Lac area contractors with proactive legal strategies tailored to the construction industry. Let us handle the legal complexities so you can focus on building success.

LEARN MORE

Corporate or Business Law

From business formation to contract negotiation, we offer legal support to help Fond du Lac business owners and entrepreneurs thrive in a competitive market.

LEARN MORE

Estate Planning

Our estate planning services, including wills, trusts, and probate guidance, can help provide peace and security for your loved ones.

LEARN MORE

Litigation Services of Wisconsin

Our Fond du Lac-based appellate litigation team is on your side. We bring years of experience and a strategic approach when it comes to complex appeals in Wisconsin’s state and federal courts.

LEARN MORE

Municipal Law

Our team provides legal guidance and representation to municipalities across Fond du Lac County and southeastern Wisconsin, helping local governments address regulatory, operational, and legal challenges.

LEARN MORE

Real Estate Legal Services

Our commercial real estate services provide practical legal solutions to help you achieve your business goals when buying, selling, or leasing property in the Fond du Lac area.

LEARN MORE

Trust/Estate Administration & Probate

Losing a loved one is never easy but the legal issues are the last thing you should have to worry about. Our experienced attorneys are here to help Fond du Lac families navigate the legal side of estate settlement with care and clarity.

LEARN MORE

Banking & Finance Law

We help banks and financial service providers in Oshkosh navigate complex laws while fostering community growth.

LEARN MORE

Business Succession Planning

Seamlessly transition your Oshkosh-area business with our strategic business succession planning, designed to safeguard your hard-earned enterprise.

LEARN MORE

Wisconsin Construction Law

We work with Oshkosh-area contractors to safeguard your projects and ensure smooth operations. We help with contracts, disputes, compliance issues, and more.

LEARN MORE

Corporate or Business Law

From forming startups to resolving disputes, our Oshkosh business attorneys empower local entrepreneurs with the tools and legal advice needed to thrive.

LEARN MORE

Estate Planning

Let us help you protect what's most important to you with comprehensive estate planning services, including wills, trusts, and probate guidance.

LEARN MORE

Litigation Services of Wisconsin

Our Oshkosh-based appellate litigation team brings strategic insight when it comes to navigating complex appeals throughout Wisconsin's state and federal courts.

LEARN MORE

Municipal Law

We partner with Oshkosh’s local governments, agencies, and organizations to provide dependable legal insights in key areas of governance, zoning, and compliance.

LEARN MORE

Real Estate Legal Services

Our team of commercial real estate lawyers will help you navigate commercial property transactions, leases, and land use with confidence. We help Oshkosh businesses and investors achieve their goals while minimizing risks.

LEARN MORE

Trust/Estate Administration & Probate

Navigating the death of a loved one is hard enough without all the legal stress. Our experienced Oshkosh attorneys will work with you to make sure your loved one’s wishes are honored.

LEARN MORE

Banking & Finance Law

We support banking and financial operations throughout Waupun and the surrounding areas with our legal expertise, including compliance, loan documentation, and complex regulatory matters.

LEARN MORE

Business Succession Planning

Plan for the seamless transition of your Wisconsin or local Waupun business, whether to a family member, business partner, or internal replacement.

LEARN MORE

Wisconsin Construction Law

Protect your construction operation with tailored legal services, including contract drafting, dispute resolution, and compliance guidance to keep your building projects on track.

LEARN MORE

Corporate or Business Law

We love working with Waupun businesses. We offer legal counsel on business formation, contracts, legal compliance, dispute resolution, and more.

LEARN MORE

Estate Planning

Wills, trusts, and probate guidance from our Waupun attorneys help give you control over the future of your assets and ensure your wishes are honored.

LEARN MORE

Litigation Services of Wisconsin

Our litigation team is here to help you navigate complex appeals throughout Wisconsin's state and federal courts.

LEARN MORE

Municipal Law

Our team of legal experts can help with government-related contracts and regulatory matters to support community growth, development, and compliance.

LEARN MORE

Real Estate Legal Services

We can help with contracts, zoning, property transactions, and more as you invest in Waupun’s commercial real estate market.

LEARN MORE

Trust/Estate Administration & Probate

If you’re navigating the death of a loved one, we can help with the legal stress. Our experienced attorneys in Waupun will work with you to make sure your loved one’s wishes are honored.

LEARN MORE

Banking & Finance Law

We provide legal support to Wausau’s financial institutions to ensure regulatory compliance and assist in navigating complex financial laws and regulations.

LEARN MORE

Business Succession Planning

Secure the future of your Wausau business with strategic succession planning between family members, business partners, and more.

LEARN MORE

Wisconsin Construction Law

We’ll help your Wausau-area contracting business through contracts, dispute resolution, and compliance to improve profitably and minimize issues.

LEARN MORE

Corporate or Business Law

From start-up formation to contract disputes, our Wausau business lawyers provide legal support to help your businesses thrive in a competitive marketplace.

LEARN MORE

Estate Planning

Protect your legacy and ensure your loved ones are supported with customized estate planning solutions, including wills, trusts, and advanced directives.

LEARN MORE

Litigation Services of Wisconsin

Navigate Wisconsin's state and federal court system with confidence. Our appellate litigation attorneys provide a strategic and experienced approach to get you the best results.

LEARN MORE

Municipal Law

We offer reliable legal counsel to address the unique needs of Wausau’s municipalities and community organizations.

LEARN MORE

Real Estate Legal Services

Wausau's real estate market is shifting rapidly. We assist with property purchases, leases, zoning, dispute resolution, and more to help you navigate the market with confidence.

LEARN MORE

Trust/Estate Administration & Probate

We help Wausau residents handle the legal side of their loved one’s death with compassion and empathy. We’ll work with you closely to make sure your loved one’s wishes are honored and legal matters are taken care of.

LEARN MORE

Call for a Legal Consultation

Call now

Location Details

Address

210 N. Main St., Suite 100

Oshkosh, WI 54901

Give Us A Call

Fax:

920-235-2011

Parking

Parking: Surface lot parking on State Street behind the building and on Pearl Ave in front of the building.

Hours

Monday: 8 a.m. – 5 p.m.

Tuesday: 8 a.m. – 5 p.m.

Wednesday: 8 a.m. – 5 p.m.

Thursday: 8 a.m. – 5 p.m.

Friday: 8 a.m. - 4 p.m. (Memorial Day - Labor Day: 8 a.m. - 1 p.m.)

Saturday & Sunday: Closed

Meet Our Wausau Attorneys

Meet Our Fond du Lac Attorneys

Meet Our Oshkosh Attorneys

Meet Our Waupun Attorneys

Meet Our De Pere Attorneys

What Our Clients Are Saying

“We have used their service for multiple business transactions. From start to finish (which can be a long process), follow-thru and attention to detail have always been present.”

Abby B.

How Can We Help You?

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

Disclaimer: Sending us an email correspondence and the information within does not create an attorney-client relationship between us. If you are not already a client, you should not provide us with information without first speaking to one of our lawyers. If you provide information before we confirm that we are willing and able to consult with you about becoming a client, we may not be able to treat that information as privileged, confidential, or protected information, and we may be able to represent a party adverse to you even if the information you submit to us could be used against you.