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Practice Areas & Technologies
Practice Areas
E-Commerce and Marketplace IP
Freedom-to-Operate, Non-Infringement, and Invalidity Opinions
IP Asset Management and Licensing
IP Due Diligence and Transactions
IP Litigation
Patent Preparation and Prosecution
Post-Grant Proceedings Before the USPTO
Trade Secrets and Unfair Competition
Trademarks and Copyrights
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Biotechnology
Chemical Technologies
Cybersecurity
Electrical, Computer, and Software Technologies
Internet and Telecommunications
Mechanical, Electromechanical, and Optical Technologies
Pharmaceuticals and Biosimilars
Professionals
News
Case Studies
IP Asset Management and Licensing
Trust in Leydig’s comprehensive services and capabilities fuels client’s successes
IP Litigation
Leydig obtains positive outcome in software patent litigation
Pharmaceuticals and Biosimilars
Leydig spares client from drawn-out litigation and speeds release of multibillion-dollar biosimilars
Trademarks and Copyrights
Leydig’s meticulous due dilligence and strategic advocacy preserve crucial rebrand for multibillion-dollar client
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IP Law Fellowship
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News
Creating Valuable Client Outcomes in Trademark Law
September 5, 2018
Leydig Received Innovative Lawyers Award
September 4, 2018
Leydig Selected As Top IP Law Firm in Managing Intellectual Property™
August 28, 2018
Leydig Ranked As Leading IP Law Firm by Chambers USA
August 28, 2018
Leydig Recognized by the Legal 500
August 28, 2018
Leydig Honored in Vault’s List of Top Midsize Law Firms
August 28, 2018
Leydig Attorneys Listed in 2018 Edition of The Best Lawyers in America®
August 17, 2018
Leydig Recognized Among Top IP Law Firms in Managing Intellectual Property™ 2018 IP Stars
July 3, 2018
Leading IP Law Firm Leydig, Voit & Mayer Opens Boulder, Colorado Office
May 7, 2018
Leydig Named Best International IP Law Firm by Acquisition International
May 5, 2018
Mark Liss Named IP Attorney of the Year 2018 in Illinois
May 5, 2018
Leydig Attorneys Named as Leading IP Practitioners by the 2018 World IP Review
March 1, 2018
Leydig Named Pharmaceutical Law Firm of the Year
February 14, 2018
Leydig Listed as Top Trademark Law Firm by the World Trademark Review
February 5, 2018
Leydig Attorneys Named 2018 Illinois Super Lawyers
January 25, 2018
Leydig Attorneys Named Illinois Super Lawyers Rising Stars 2018
January 25, 2018
Leydig Receives National and Metropolitan First-Tier Rankings in U.S. News - Best Lawyers "Best Law Firms"
November 30, 2017
Leydig Recommended by LMG Life Sciences in Patent Prosecution, Strategy, and Management
October 25, 2017
Three Leydig Attorneys Named Life Science Stars by LMG Life Sciences
October 24, 2017
Leydig Named as Top Firm for Overcoming Mayo/Myriad Rejections
September 6, 2017
Mark Liss Wins Albert Nelson Marquis Lifetime Achievement Award
August 2, 2017
Leydig Wins Patent Interference
June 29, 2017
Mark W. Croll Joins Leydig, Voit & Mayer
June 20, 2017
Leydig and Six of its Attorneys Selected Among World's Leading Patent Practitioners by IAM Patent 1000
June 11, 2017
Leydig, Voit & Mayer Recognized by the Legal 500
June 10, 2017
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