200 West Madison Street
Suite 2700
Chicago, Illinois 60606

312.637.3000 MAP

Office Leadership


Our Chicago office provides a full array of legal services to businesses, individuals, business owners and organizations.

Our sophisticated Chicago IP team counsels clients in all facets of intellectual property including complex patent, trademark, copyright and trade secret litigation, patent and trademark prosecution, licensing and due diligence.  We have a diverse client base and broad range of expertise and experience including within the pharmaceuticals, life sciences, alternative energy, chemicals, materials, aerospace, manufacturing, telecommunications, and electronics sectors.

Our Chicago office also includes experienced litigators who handle a variety of commercial matters, including construction law, real estate, consumer and business tort disputes for clients across the country and internationally.

Our real estate and business practices team provides strategic guidance on transactions including acquisitions, dispositions, development, partnership, and joint venture formation, with an emphasis on private equity fund formation investment, and securities.

Our estate planning team, anchored by our 2022 combination with Spain, Spain & Varnet P.C., provides sophisticated estate planning services with special expertise relating to counseling families with issues involving special needs and children with disabilities.

These core strengths are supported by Hahn Loeser’s national experience in construction, labor and employment, bankruptcy and creditors’ rights and estate planning.

At Hahn Loeser, our strength comes from our people, our passion for our clients – protecting their interests and helping them grow – and our dedication to performance and delivering results. Whatever your legal needs are, Hahn Loeser is here to HeLp.

Phone: 312.637.3000
Fax: 312.637.3001