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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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Pharmaceuticals and Biosimilars
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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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News
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
Leydig Recognized Among Top IP Law Firms by Chambers USA 2017
May 26, 2017
Leydig Wins 2017 IP Excellence Awards
May 1, 2017
Leydig Attorneys Named as Leading IP Practitioners by World IP Review
March 7, 2017
Leydig Attorneys Named as Leading IP Practitioners by World IP Review
March 7, 2017
Leydig Named Best for IP Dispute Resolution by Acquisition International
March 6, 2017
Four Leydig Attorneys Named in Illinois Super Lawyers Rising Stars 2017 List
January 18, 2017
Leydig Attorneys Named 2017 Illinois Super Lawyers
January 18, 2017
Six Leydig Attorneys Listed in 2017 World Trademark Review
January 18, 2017
Three Leydig Attorneys Named 2017 Life Science Stars by LMG Life Sciences
January 1, 2017
Leydig Attorneys Named as Leading Lawyers
December 1, 2016
Leydig Attorneys Named as Emerging Lawyers
November 28, 2016
Leydig Succeeds in Invalidating Dental Implant Patent Claims through Inter-Partes Review
November 21, 2016
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