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McDonnell Boehnen Hulbert & Berghoff LLP

About McDonnell Boehnen Hulbert & Berghoff LLP

McDonnell Boehnen Hulbert & Berghoff is an intellectual property law firm with offices in Illinois, California, and North Carolina. The firm's client list includes Fortune 100 companies, mid-size companies, start-ups, and academic institutions.

Speaking the Language of Law and Science

MBHB's practice areas encompass all aspects of intellectual property law. Approximately 50 percent of the firm's practice is devoted to patent and trademark prosecution and counseling; the other 50 percent is devoted to litigation. MBHB attorneys are experienced in the procurement, licensing, enforcement and defense of patents, trademarks, copyrights, trade secrets, and unfair competition actions in a number of technological disciplines and product categories including biotechnology, business methods, chemical, electrical, mechanical and materials, pharmaceuticals and diagnostics, software, and telecommunications.

To best protect its clients' technology assets, 100 percent of the firm’s attorneys and technical advisors hold science or engineering degrees. Of these, nearly 50 percent of the firm's attorneys and technical advisors hold PhDs or other advanced degrees.

IP Pros

Proving that IP boutiques can hang with the BigLaw folks, MBHB is regularly recognized in the U.S. News-Best Lawyers “Best Law Firms” at the national and metropolitan levels. At the national level and Chicago-metro level, the firm ranked in Biotechnology Law, Litigation-Intellectual Property, Litigation-Patent, Patent Law, and Trademark Law.

In addition, MBHB is favorably ranked among top law firms in annual editions of Chambers USA in the category of Intellectual Property. Chambers USA determined that MBHB is composed of “outstanding and consistently excellent patent lawyers” and that the “firm is very strategic and very practical.” MBHB was recognized as “doing a good job in biotechnology and chemicals with some fine lawyers.”

Keeping Up in Tech

Although some lawyers shy away from technology, the attorneys at MBHB are using it to their advantage. Partners Dr. Donald Zuhn, Jr., Dr. Kevin Noonan, and Dr. Andrew Williams co-author the Patent Docs blog (, and other MBHB practitioners contribute as well. The blog features recent developments in patent law, including patent case rulings, and information on new biotech and pharma cases and was featured by the ABA Journal in its Blawg 100.

News & Awards



In 2020, MBHB announced the launch of its Cannabis Practice Group. The practice will offer full-spectrum intellectual property support and counseling for cannabis clients ranging from startups to established companies.


In 2019, MBHB attorneys continued to author and publish snippets, a quarterly newsletter, and snippets Alerts (as needed to address late breaking developments). Both publications are comprised of substantive articles authored by MBHB attorneys addressing timely legal issues focused on intellectual property law.


McDonnell Boehnen Hulbert & Berghoff LLP is committed to educating clients and friends of the firm with respect to significant developments and trends in the areas of intellectual property law. As such, MBHB has continued in 2019 to conduct regularly scheduled complimentary webinars that address timely issues within the field of intellectual property law.


In 2019, MBHB added a highly-regarded team of six attorneys from Austin, Texas. The Austin, Texas based team, primarily represents Fortune 500 companies and institutionally funded private companies in IP strategy and patent monetization. They will join MBHB’s new Transactions & High-Tech Litigation Strategy Practice Group.

McDonnell Boehnen Hulbert & Berghoff LLP

300 South Wacker Drive
Chicago, IL 60606
Phone: (312) 913-0001

Firm Stats

Managing Partner: Gavin J. O’Keefe
Recruiting Co-Chairs: Kevin E. Noonan & Aaron V. Gin
Total No. Attorneys 2020:
50 - 100

Base Salary

Level 1: Starting at $180,000
Summer Associate: $3,475/week

Employment Contact

Mary Bosworth
Legal Recruiting & Development Manager
(312) 935-2351

No. of U.S. Offices: 3

No. of International Offices: 0

Major Office Locations

Chicago, IL (HQ)
Durham, NC
Mountain View, CA

Major Departments

Business Methods
Mechanical & Materials
Pharmaceuticals & Diagnostics
PTAB Trials
Trademark, Unfair Competition & Advertising Law
Transactions & High-Tech Litigation Strategy