Top-ranked by Chambers & Partners Every Year Since 2003

Chambers Guides have been assessing the world's best business law firms and lawyers since 1990. Eimer Stahl has received top rankings by Chambers USA every year since 2003.


Clients and industry sources comment on the firm's work ethic and results, stating,"they are the best, which is why we keep going back to them,” and "they are extremely impressive."


Clients praise the firm's professionalism and, "intellectual horsepower."


"Top-notch. They are very professional, very thorough and responsive".

The firm is praised as being, "the go-to firm for trial counsel or local counsel in major antitrust cases". Another source agrees: "They're really strong. They're involved in all the big cases".


"The firm excels at client service. They spend time understanding the client's business and determine how to best add value".


"The firm is very sophisticated, knowledgeable and talented".  One client says: "They're very timely and give a practical answer which is what I'm looking for".

Nathan Eimer is "a fabulous antitrust litigator", “smart on his feet and unflappable", "intellectually savvy and smart", and possesses "impeccable judgment", commentators note. Named one of two antitrust “stars” in Illinois.  His broad commercial litigation practice has a notable focus on antitrust, including both civil and criminal suits.

The "excellent" Michael McCluggage impresses clients with his "in-depth knowledge, broad network of relationships in the legal community, negotiation skills and legal acumen". He has represented clients in numerous antitrust-related investigations, false claims and class actions.

David Stahl is widely admired by his peers, with one describing him as "an outstanding litigator". His practice is broad and includes advising utility companies on a variety of matters, including nuclear licensing and antitrust


"A respected boutique firm dedicated to complex litigation, featuring some outstanding antitrust partners. Clients regularly turn to it for high-stakes class action antitrust litigation".

Nate Eimer is one of two lawyers in Illinois to receive an Antitrust "Star" rating from Chambers USA.


". . . this compact litigation boutique continues to punch above its weight and is routinely sought to handle complex and high-value antitrust disputes".

"This team continues to attract the respect of market commentators for its strength in representing a range of market participants in the energy sector on litigation, regulatory and restructuring matters".


"This compact group is renowned for the high caliber of its trial attorneys".


"An impressive team with a talented group of confident and experienced antitrust practitioners at the helm, who really know how to get the job done".

"This dynamic, streamlined [antitrust] practice is highly esteemed for its trial expertise and merger counseling".


"Highly recommended for trial work, including class actions and antitrust-related matters".


"Peers say the team’s compact size does not hold it back and note that it is 'creative in settling cases".


"Strong client relationships bolster the practice: clients are unanimous in their appreciation of a group that is knowledgeable, efficient and focused".


"This outfit takes times to get to know its clients inside-out".

Nate Eimer is "he broad-base antitrust lawyer we all aspire to be".


". . . one of the leaders” in Chicago, “they are unmatched in the market".


Eimer Stahl has "found the spotlight, with attorneys collecting praise from many quarters for its merger counseling, antitrust litigation and regulatory advice".


Recommended as "a fertile source for excellent strategic and tactical ideas".

". . . the firm has gained ‘high opinions’ for its agile, more collegial approach to legal counseling".


". . . a ‘high-quality' litigation boutique offering substantial experience in complex antitrust matters, and a specialization in price-fixing defense".