Leydig Voit & Mayer - Intellectual Property Law, Copyright Law, Trademark Attorney, Patent Law

Leydig, Voit & Mayer, Ltd. An Intellectual Property Law Firm

Singular Focus. Outstanding Results.

For more than a century, Leydig, Voit & Mayer, Ltd. has assisted clients - from large corporations to individual inventors - with intellectual property litigation, counseling, licensing and prosecution services worldwide. The firm prides itself on its ability to meet the most demanding intellectual property needs of its clients. Our concentrations include:

Patent litigation, prosecution and counseling
Interferences
Trademark litigation, registration and counseling
Copyright litigation, registration, and counseling
Unfair competition litigation
Licensing and franchising
Trade secret protection and counseling
Alternative dispute resolution

Click on any of the links below for contact information for these offices:

Leydig, Voit & Mayer, Ltd., Chicago, Illinois

Leydig, Voit & Mayer, Ltd., Washington, DC

Leydig, Voit & Mayer, Ltd., Rockford, Illinois

Leydig, Voit & Mayer, Ltd., Seattle, Washington

News

• Leydig, Voit & Mayer has again been selected as one of "The Go-To Law Firms of the Top U.S. Companies" by Fortune Magazine & ALM.

• Leydig, Voit & Mayer is ranked by Intellectual Property Today among the top three U.S. trademark filers in its 2008 survey.

• Leydig, Voit & Mayer welcomes Frances M. Jagla to its Seattle office as Counsel. She will focus her practice in all aspects of trademark, copyright, Internet domain name matters and unfair competition counseling and litigation.

• Leydig, Voit & Mayer is pleased to announce that Elias P. Soupos and Alice C. Su have become associated with the firm. Elias received a B.S. in mechanical engineering, cum laude, from the Illinois Institute of Technology, a Masters of Engineering Management, with honors, from Northwestern University, and a J.D. from The John Marshall Law School. Alice received a B.S. in materials engineering and a M.S. in medical science from Brown University, and a J.D. from the University of Illinois.

• Leydig Voit and Mayer, acting on behalf of long-time client Pall Corporation, defeated a motion for preliminary injunction by Entegris Inc. by demonstrating the existence of substantial issues as to the validity of Entegris' patent.