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Professionals

Andrew J. Avsec
Photograph of Andrew J. Avsec
Partner

Chicago
Phone: +1.312.840.3260

  • Intellectual Property
  • Design Protection
  • Copyright Litigation
  • Trademark Litigation
  • International Trademark
Gang Chen, Ph.D.
Photograph of Gang Chen, Ph.D.
Partner

Chicago
Phone: +1.312.840.3263

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Patent Litigation
  • U.S. ITC Section 337
Trevor K. Copeland
Photograph of Trevor K. Copeland
Partner

Chicago
Phone: +1.312.222.8104

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Design Protection
  • Patent Prosecution
  • Retail and Consumer Products
Yuezhong Feng, Ph.D.
Photograph of Yuezhong Feng, Ph.D.
Partner

Chicago
Phone: +1.312.321.7738

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Patent Litigation
  • Pharmaceutical and Biologics Litigation
David S. Fleming
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Partner

Chicago
Phone: +1.312.321.7734

  • Intellectual Property
  • European IP Law
  • Global IP Law
  • International Trademark
  • Technology and Brand Protection
William H. Frankel
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Partner

Chicago
Phone: +1.312.321.7736

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Patent Litigation
Jeffery A. Handelman
Photograph of Jeffery A. Handelman
Partner

Chicago
Phone: +1.312.321.4236

  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Trademark Counseling
  • International Trademark
Joseph F. Hetz
Photograph of Joseph F. Hetz
Partner

Chicago
Phone: +1.312.321.4719

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Design Protection
  • Patent Prosecution
Tadashi Horie
Photograph of Tadashi Horie
Partner

Chicago
Phone: +1.312.321.4285

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Appellate
  • Patent Litigation
David P. Lindner
Photograph of David P. Lindner
Partner

Chicago
Phone: +1.312.222.8123

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Patent Litigation
Laura A. Lydigsen
Photograph of Laura A. Lydigsen
Partner

Chicago
Phone: +1.312.321.4894

  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
  • Pharmaceutical and Biologics Litigation
Robert S. Mallin
Photograph of Robert S. Mallin
Partner

Chicago
Phone: +1.312.321.4221

  • Intellectual Property
  • Patent Litigation
  • Post-Grant Proceedings
  • Patent Prosecution
  • IP Transactions and Diligence
Virginia Wolk Marino
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Partner

Chicago
Phone: +1.312.840.3228

  • Intellectual Property
  • Technology and Brand Protection
  • Copyright Litigation
  • Trademark Litigation
  • International Trademark
Howard Michael
Photograph of Howard Michael
Partner

Chicago
Phone: +1.312.321.4244

  • Intellectual Property
  • Copyright Litigation
  • Trademark Litigation
  • International Trademark
  • International Patent
Rashad L. Morgan
Photograph of Rashad L. Morgan
Partner

Chicago
Phone: +1.312.840.3187

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Pharmaceutical and Biologics Litigation
James P. Naughton
Photograph of James P. Naughton
Partner

Chicago
Phone: +1.312.321.4723

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Patent Prosecution
  • IP Transactions and Diligence
  • Transportation
Jeff Nichols
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Partner

Chicago
Phone: +1.312.245.5393

  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
  • Pharmaceutical and Biologics Litigation
Janet A. Pioli
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Partner

Chicago
Phone: +1.312.321.4725

  • Intellectual Property
  • Appellate
  • Patent Prosecution
  • European IP Law
  • IP Transactions and Diligence
Preston L. Pugh
Photograph of Preston L. Pugh
Partner

Washington, D.C.
Phone: +1.202.624.2669
Mobile: +1.312.405.4216
Mobile: +1.312.405.4216

  • False Claims Act and Procurement Fraud
  • Government Contracts
  • Labor and Employment
  • Trade Secrets and Insider Threats Investigations
  • Trial
Mark H. Remus
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Partner

Chicago
Phone: +1.312.321.4720

  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
  • Pharmaceutical and Biologics Litigation
Marc V. Richards
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Partner

Chicago
Phone: +1.312.321.4729

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Post-Grant Proceedings
Gustavo Siller
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Partner

Chicago
Phone: +1.312.321.4249

  • Intellectual Property
  • Patent Litigation
  • Patent Prosecution
  • IP Transactions and Diligence
  • Technology
James R. Sobieraj
Photograph of James R. Sobieraj
Partner

Chicago
Phone: +1.312.321.4226

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Appellate
  • Patent Litigation
Jason Stiehl
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Partner

Chicago
Phone: +1.312.840.3108

  • Litigation & Trial
  • Advertising and Media
  • Food and Beverage
  • Life Sciences
  • Retail and Consumer Products
Andrew D. Stover
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Partner

Chicago
Phone: +1.312.321.4713

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Design Protection
  • Patent Prosecution
  • IP Transactions and Diligence
Scott A. Timmerman
Photograph of Scott A. Timmerman
Partner

Chicago
Phone: +1.312.222.8125

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Post-Grant Proceedings
  • Patent Prosecution
  • IP Transactions and Diligence
Jacob C. Bachman
Photograph of Jacob C. Bachman
Senior Counsel

Chicago
Phone: +1.312.840.3261

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Patent Litigation
  • Design Protection
John Freeman
Photograph of John Freeman
Senior Counsel

Chicago
Phone: +1.312.321.4262

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Design Protection
  • Patent Prosecution
  • Technology
Kent E. Genin
Photograph of Kent E. Genin
Senior Counsel

Chicago
Phone: +1.312.321.7732

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Design Protection
  • Post-Grant Proceedings
E. Brandon (Brad) Nykiel
Photograph of E. Brandon (Brad) Nykiel
Senior Counsel

Chicago
Phone: +1.312.840.3230

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Patent Prosecution
  • IP Transactions and Diligence
  • Technology
Douglas A. Oguss
Photograph of Douglas A. Oguss
Senior Counsel

Chicago
Phone: +1.312.321.4785

  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Patent Prosecution
  • IP Transactions and Diligence
  • Transportation
Martin Redish
Photograph of Martin Redish
Senior Counsel

Mobile: +1.949.798.1369

  • Commercial Litigation
  • Class Actions
  • Advertising and Media
Jason W. Schigelone
Photograph of Jason W. Schigelone
Senior Counsel

Chicago
Phone: +1.312.321.4281

  • Intellectual Property
  • Patent Litigation
  • Pharmaceutical and Biologics Litigation
  • Post-Grant Proceedings
  • Patent Prosecution
Christopher Gerardot
Photograph of Christopher Gerardot
Counsel

Chicago
Phone: +1.312.840.3268

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Patent Litigation
  • Design Protection
Judy He
Counsel

Chicago
Phone: +1.312.840.3157

  • Intellectual Property
  • Intellectual Property Litigation
  • Litigation & Trial
  • Privacy and Cybersecurity
  • Medical Devices
Joshua James
Photograph of Joshua James
Counsel

Chicago
Phone: +1.312.840.3270

  • Intellectual Property
  • Intellectual Property Litigation
  • Patent Litigation
  • Pharmaceutical and Biologics Litigation
  • Post-Grant Proceedings
Emily Kappers
Photograph of Emily Kappers
Counsel

Chicago
Phone: +1.312.840.3286

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Copyright Litigation
Andrew McElligott
Photograph of Andrew McElligott
Counsel

Chicago
Phone: +1.312.840.3278

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Appellate
  • Patent Litigation
Neil G. Nandi
Counsel

Chicago
Phone: +1.312.840.3182

  • Litigation & Trial
  • Health Care
  • Appellate
  • Health Care Litigation
Joshua P. Smith
Photograph of Joshua P. Smith
Counsel

Chicago
Phone: +1.312.840.3231

  • Intellectual Property
  • Digital Health/MedTech
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
Adam D. Sussman
Photograph of Adam D. Sussman
Counsel

Chicago
Phone: +1.312.840.3229

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Patent Litigation
  • Pharmaceutical and Biologics Litigation
  • Patent Prosecution
Jonathan Brown
Associate

Chicago
Phone: +1.312.840.3116

  • Intellectual Property
  • IP Transactions and Diligence
  • IP Strategy, Prosecution and Portfolio Management
  • International Trademark
  • Technology and Brand Protection
Fan Cheng
Photograph of Fan Cheng
Associate

Chicago
Phone: +1.312.840.3276

  • Intellectual Property
  • U.S. ITC Section 337
  • Copyright Litigation
  • Trademark Litigation
  • International Trademark
Jun Cheng, Ph.D.
Photograph of Jun Cheng, Ph.D.
Associate

Chicago
Phone: +1.312.840.3298

  • Intellectual Property
  • Technology
  • Retail and Consumer Products
  • Patent Prosecution
  • International Patent
Erika Dirk
Photograph of Erika Dirk
Associate

Chicago
Phone: +1.312.840.3190

  • Litigation & Trial
Ryan Fitzgerald
Associate

Chicago
Phone: +1.312.840.3254

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Intellectual Property Litigation
Wei-Chih Hsu
Photograph of Wei-Chih Hsu
Associate

Chicago
Phone: +1.312.840.3265

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Patent Litigation
Dalton Hughes
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Associate

Chicago
Phone: +1.312.840.3253

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Copyright Litigation
Jeremy Iloulian
Photograph of Jeremy Iloulian
Associate

Chicago
Phone: +1.312.840.3269

  • International Trade
  • Export Controls
  • Sanctions and Embargoed Countries
  • International Trade Investigations
  • Committee on Foreign Investment in the United States (CFIUS)
Mary LaFleur
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Associate

Chicago
Phone: +1.312.840.3272

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
  • Appellate
  • Patent Litigation
Dan Liu
Photograph of Dan Liu
Associate

Chicago
Phone: +1.312.840.3267

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Patent Prosecution
  • IP Transactions and Diligence
  • Technology
Eric Moss
Photograph of Eric Moss
Associate

Chicago
Phone: +1.312.840.3275

  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution and Portfolio Management
China L. Smith
Associate

Chicago
Phone: +1.312.840.3115

  • Technology and Brand Protection
  • Food and Beverage
  • Retail and Consumer Products
  • Technology
Andrew M. Spitzer
Photograph of Andrew M. Spitzer
Associate

Chicago
Phone: +1.312.840.3281

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Intellectual Property Litigation
Elissa N. Tenenbaum
Photograph of Elissa N. Tenenbaum
Associate

  • Intellectual Property
  • Intellectual Property Litigation
  • Patent Litigation
  • Patent Prosecution
  • IP Strategy, Prosecution and Portfolio Management
John Walker
Associate

Chicago
Phone: +1.312.840.3165

  • Patent Litigation
  • U.S. ITC Section 337
  • Patent Prosecution
  • Intellectual Property
  • Intellectual Property Litigation
Sid Bennett
Photograph of Sid Bennett
Patent Agent

Chicago
Phone: +1.312.321.4808

  • Intellectual Property
  • Patent Prosecution
  • Technology
  • Aerospace and Defense
  • Aviation
Magdalena O. Cilella, Ph.D.
Photograph of Magdalena O. Cilella, Ph.D.
Patent Agent

Chicago
Phone: +1.312.245.5398

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Patent Prosecution
  • IP Transactions and Diligence
  • Health Care
Mindy N. Rittner, Ph.D.
Photograph of Mindy N. Rittner, Ph.D.
Patent Agent

Chicago
Phone: +1.312.321.4721

  • Intellectual Property
  • IP Strategy, Prosecution and Portfolio Management
  • Global IP Law
  • Patent Prosecution
  • Transportation
Carolyn Krampitz
Photograph of Carolyn Krampitz
Trade Consultant

Chicago
Phone: +1.312.840.3103

  • Export Controls
  • Food and Beverage
  • Customs Law
  • International Trade
  • Aerospace and Defense
Yongfeng (Eric) Ruan
Photograph of Yongfeng (Eric) Ruan
Scientific Advisor

Chicago
Phone: +1.312.840.3259

  • Intellectual Property
  • Patent Prosecution
  • Medical Devices
  • Technology
  • Health Care