General Information
Year founded:
1893
This is the year the firm (or its earliest predecessor entity) was founded.
Overview
Content is provided by the firm.
Intellectual Property Counsel to Leaders of Business and Industry
When the leaders of industry are faced with difficult or unique intellectual property issues, Leydig, Voit & Mayer provides trusted counsel. The firm has been at the forefront of intellectual property law for more than 100 years and enjoys an international reputation for excellence in all areas of intellectual property practice.
The firm numbers more than 70 attorneys and patent agents in four offices in the U.S. and Germany and provides counseling, litigation, licensing and prosecution services to clients throughout the world. Our attorneys are supported by more than 100 law clerks, paralegals and administrative personnel, who work to ensure accuracy and timely response.
We have helped to shape the intellectual property landscape, serving clients in such diverse fields as chemicals, computer hardware and software, consumer household products, electronics, financial services, genetic elements, heavy industry, medical devices, machinery and pharmaceuticals.
When the leaders of industry are faced with difficult or unique intellectual property issues, Leydig, Voit & Mayer provides trusted counsel. The firm has been at the forefront of intellectual property law for more than 100 years and enjoys an international reputation for excellence in all areas of intellectual property practice.
The firm numbers more than 70 attorneys and patent agents in four offices in the U.S. and Germany and provides counseling, litigation, licensing and prosecution services to clients throughout the world. Our attorneys are supported by more than 100 law clerks, paralegals and administrative personnel, who work to ensure accuracy and timely response.
We have helped to shape the intellectual property landscape, serving clients in such diverse fields as chemicals, computer hardware and software, consumer household products, electronics, financial services, genetic elements, heavy industry, medical devices, machinery and pharmaceuticals.
Rankings
Leydig, Voit & Mayer, LTD. is nationally ranked in 4 practice areas and metro ranked in 4 practice areas. Best Law Firms rankings are based on a rigorous evaluation process.
Read how Best Law Firms ranks firmsNational Rankings
Tier 1
Tier 1 for Trademark Law
Tier 2
Tier 2 for Litigation - Intellectual Property
Tier 2 for Litigation - Patent
Tier 2 for Patent Law
Metro Rankings
Chicago
Tier 1 for Litigation - Intellectual Property
Tier 1 for Litigation - Patent
Tier 1 for Patent Law
Tier 1 for Trademark Law
Select Clients
- Aetna
- American International Group
- Caterpillar, Inc.
- Huawei Technologies
- Illinois Tool Works, Inc.
- Jim Beam Brands Co.
- National Institutes of Health (NIH)
- Perrigo Company
- Teva Pharmaceuticals USA
- USG Corporation
- Walgreens Co.
- Whirlpool
Rankings
National Rankings
Tier 1
Tier 1 for Trademark Law
Tier 2
Tier 2 for Litigation - Intellectual Property
Tier 2 for Litigation - Patent
Tier 2 for Patent Law
Regional Rankings
Chicago
Tier 1 for Litigation - Intellectual Property
Tier 1 for Litigation - Patent
Tier 1 for Patent Law
Tier 1 for Trademark Law
Practice Areas
The below are areas of legal specialty volunteered by the firm and do not designate a specialty in which a Best Law Firms ranking is held.
- Litigation - Intellectual Property
- Litigation - Patent
- Patent Law
- Trademark Law
Individuals Recognized in The Best Lawyers in America®
Leydig, Voit & Mayer, LTD. has 6 lawyers recognized for individual performance in the 2025 edition of The Best Lawyers in
America®.
By receiving this Best Lawyers recognition from their peers for their professional excellence, these lawyers made Leydig, Voit & Mayer, LTD. eligible for evaluation for Best Law Firms rankings.
For almost two decades, Best Lawyers has awarded these singular accolades, making them the foundation of our Best Law Firms awards.
Read more about our Best Lawyers process here.
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Client Comments
All client comments represent the opinions of the people who provided them. All potential clients are urged to remember that no two cases are ever completely alike and that the result in one case does not guarantee a similar result in another case.
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Awards
Awards are self-reported by firms and are not verified by the Best Law Firms rankings.
- Leydig, Voit & Mayer Awarded Trademark Prosecution Firm of the Year in the Midwest
- Leydig, Voit & Mayer Receives National and Metropolitan First-Tier Rankings by "Best Law Firms"
- Leydig Recognized Among Top IP Law Firms in Illinois According to Chambers USA
- Leydig Awarded Top Tier Rankings by the Managing Intellectual Property World IP Survey
- Leydig, Voit & Mayer Recognized by The Legal 500 for Patent Litigation
- Identified as one of the Top Trademark Law Firms in Illinois by the World Trademark Review 1000
Main Location
Chicago,
IL
Two Prudential Plaza, Suite 4900
180 North Stetson Avenue
Chicago, IL 60601-6745
United States
312-616-5600
Call our Chicago, IL location at 312-616-5600
Get Directions
Get directions to our Chicago, IL location
Office Locations
Walnut Creek,
CA
The Atrium Building, Suite 310
1981 North Broadway
Walnut Creek, CA 94596-5083
United States
925-482-0100
Call our Walnut Creek, CA location at 925-482-0100
Get Directions
Get directions to our Walnut Creek, CA location
Boulder,
CO
4940 Pearl East Circle, Suite 200
Boulder, CO 80301-6104
United States
720-795-7976
Call our Boulder, CO location at 720-795-7976
Get Directions
Get directions to our Boulder, CO location
Washington,
DC
700 Thirteenth Street, NW, Suite 300
Washington, DC 20005-3960
United States
202-737-6770
Call our Washington, DC location at 202-737-6770
Get Directions
Get directions to our Washington, DC location
Frankfurt/Main,
DE
Liebigstrasse 51
60323 Frankfurt am Main
Frankfurt/Main
Germany
+49 (0)69 713 7798 0
Call our Frankfurt/Main, DE location at +49 (0)69 713 7798 0
Get Directions
Get directions to our Frankfurt/Main, DE location