312-616-5600 (phone)
312-616-5700 (fax)
Chicago Office
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Related Practices
- Litigation
- Patents
- Trade Secrets and Unfair Competition
- Interferences
- Pharmaceutical and Chemical Technologies
- Electrical, Computer and Software Technologies
- Mechanical Technologies
- Business Methods
- Intellectual Property Transactions
Education
DePaul University, J.D., magna cum laude, 1976
Colorado School of Mines, B.S. in Chemical Engineering, 1970
Press Releases
Leydig, Voit & Mayer opens San Francisco Bay Area office to serve technology industry more effectively
January 17, 2012
Leydig, Voit & Mayer Attorneys Named In Illinois Super Lawyers and Rising Stars 2012 Lists
January 4, 2012
H. Michael Hartmann Named In Illinois Super Lawyers Top 100 List
January 4, 2012
Leydig Promotes Attorney to Member
January 1, 2012
Leydig Attorneys Named as Leading Lawyers
November 17, 2011
Three Leydig Attorneys Listed In Best Lawyers 2012
September 7, 2011
Leydig, Voit & Mayer Attorneys Named In Illinois Super Lawyers and Rising Stars 2011 Lists
January 4, 2011
H. Michael Hartmann Named In Illinois Super Lawyers Top 100 List
January 4, 2011
Leydig Promotes Four Attorneys to Member
January 1, 2011
Leydig Attorneys Named as Leading Lawyers
November 1, 2010
Three Leydig Attorneys Named in Best Lawyers
August 4, 2010
Leydig, Voit & Mayer Recognized Among Top IP Law Firms in Managing Intellectual Property™ 2010 World IP Survey
June 30, 2010
Leydig, Voit & Mayer Recognized Among Top IP Law Firms in Illinois According to Chambers USA
June 30, 2010
Leydig Voit & Mayer Recognized by The Legal 500
June 17, 2010
Leydig, Voit & Mayer Opens New Office in Frankfurt, Germany
March 30, 2010
Leydig, Voit & Mayer Attorneys Named in Illinois Super Lawyers and Rising Stars 2010 Lists
January 18, 2010
H. Michael Hartmann Named In Illinois Super Lawyers Top 100 List
January 18, 2010
USG and Lafarge Agree to Resolve Certain Disputes
December 7, 2009
Leydig Attorneys Admitted in Richard Linn American Inn of Court
October 14, 2009
Leydig, Voit & Mayer Recognized Among Top IP Law Firms in Illinois
According to Chambers USA
July 28, 2009
H. Michael Hartmann Named to IPLAC Board of Managers
May 14, 2009
