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Professionals

Andrew J. Avsec Partner

Chicago
Phone: +1 312.840.3260

Areas & Industries
  • Intellectual Property
  • Design Protection
  • Trade Secrets
  • Brand & Content Protection
  • Copyright Counseling & Litigation
Trevor K. Copeland Partner

Chicago
Phone: +1 312.222.8104

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Design Protection
  • Patent Prosecution
  • Retail & Consumer Products
Yuezhong Feng Partner

Chicago
Phone: +1 312.321.7738

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

Chicago
Phone: +1 312.321.7734

Areas & Industries
  • Intellectual Property
  • European IP Law
  • Global IP Law
  • International Trademark
  • Brand & Content Protection
William H. Frankel Partner

Chicago
Phone: +1 312.321.7736

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Patent Litigation
Jeffery A. Handelman Partner

Chicago
Phone: +1 312.321.4236

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Brand & Content Protection
  • Trademark Counseling & Litigation
Joseph F. Hetz Partner

Chicago
Phone: +1 312.321.4719

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Design Protection
  • Patent Prosecution
Tadashi Horie Partner

Chicago
Phone: +1 312.321.4285

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Appellate
  • Patent Litigation
Brad Lane Partner

Chicago
Phone: +1 312.321.4252

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Appellate
  • Patent Litigation
David P. Lindner Partner

Chicago
Phone: +1 312.222.8123

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Patent Litigation
Laura A. Lydigsen Partner

Chicago
Phone: +1 312.321.4894

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
  • Pharmaceutical & Biologics Litigation
Robert S. Mallin Partner

Chicago
Phone: +1 312.321.4221

Areas & Industries
  • Intellectual Property
  • Patent Litigation
  • Trade Secrets
  • Post-Grant Proceedings
  • Patent Prosecution
Virginia Wolk Marino Partner

Chicago
Phone: +1 312.840.3228

Areas & Industries
  • Intellectual Property
  • Brand & Content Protection
  • Copyright Counseling & Litigation
  • Trademark Counseling & Litigation
  • International Trademark
Howard Michael Partner

Chicago
Phone: +1 312.321.4244

Areas & Industries
  • Intellectual Property
  • Trade Secrets
  • Brand & Content Protection
  • Copyright Counseling & Litigation
  • Trademark Counseling & Litigation
Rashad L. Morgan Partner

Chicago
Phone: +1 919.998.5708

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Pharmaceutical & Biologics Litigation
James P. Naughton Partner

Chicago
Phone: +1 312.321.4723

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

Chicago
Phone: +1 312.245.5393

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
  • Pharmaceutical & Biologics Litigation
Janet A. Pioli Partner

Chicago
Phone: +1 312.321.4725

Areas & Industries
  • Intellectual Property
  • Appellate
  • Patent Prosecution
  • European IP Law
  • IP Transactions & Diligence
Mark H. Remus Partner

Chicago
Phone: +1 312.321.4720

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
  • Pharmaceutical & Biologics Litigation
Marc V. Richards Partner

Chicago
Phone: +1 312.321.4729

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

Chicago
Phone: +1 312.321.4249

Areas & Industries
  • Intellectual Property
  • Patent Litigation
  • Patent Prosecution
  • IP Transactions & Diligence
  • Technology
James R. Sobieraj Partner

Chicago
Phone: +1 312.321.4226

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Appellate
  • Patent Litigation
Andrew D. Stover Partner

Chicago
Phone: +1 312.321.4713

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Design Protection
  • Patent Prosecution
  • IP Transactions & Diligence
Scott A. Timmerman Partner

Chicago
Phone: +1 312.222.8125

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Post-Grant Proceedings
  • Patent Prosecution
  • IP Transactions & Diligence
Jacob C. Bachman Senior Counsel

Chicago
Phone: +1 312.840.3261

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Patent Litigation
  • Design Protection
Betsy J. Derwinski Senior Counsel

Chicago
Phone: +1 312.840.3226

Areas & Industries
  • Intellectual Property
  • Global IP Law
  • Patent Prosecution
  • European IP Law
  • IP Transactions & Diligence
John Freeman Senior Counsel

Chicago
Phone: +1 312.321.4262

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Design Protection
  • Patent Prosecution
  • Technology
Kent E. Genin Senior Counsel

Chicago
Phone: +1 312.321.7732

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Design Protection
  • Post-Grant Proceedings
Michael E. Milz Senior Counsel

Chicago
Phone: +1 312.321.4273

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Patent Litigation
E. Brandon (Brad) Nykiel Senior Counsel

Chicago
Phone: +1 312.840.3230

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Patent Prosecution
  • IP Transactions & Diligence
  • Technology
Douglas A. Oguss Senior Counsel

Chicago
Phone: +1 312.321.4785

Areas & Industries
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Patent Prosecution
  • IP Transactions & Diligence
  • Transportation
Jason W. Schigelone Senior Counsel

Chicago
Phone: +1 312.321.4281

Areas & Industries
  • Intellectual Property
  • Patent Litigation
  • Pharmaceutical & Biologics Litigation
  • Post-Grant Proceedings
  • Patent Prosecution
Gang Chen, Ph.D. Counsel

Chicago
Phone: +1 312.840.3263

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Patent Litigation
  • U.S. ITC Section 337
Christopher Gerardot Counsel

Chicago
Phone: +1 312.840.3268

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Patent Litigation
  • Design Protection
Joshua James Counsel

Chicago
Phone: +1 312.840.3270

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • Patent Litigation
  • Pharmaceutical & Biologics Litigation
  • Post-Grant Proceedings
Emily Kappers Counsel

Chicago
Phone: +1 312.840.3286

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Brand & Content Protection
Andrew McElligott Counsel

Chicago
Phone: +1 312.840.3278

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Appellate
  • Patent Litigation
Daniel Parrish Counsel

Chicago
Phone: +1 312.840.3279

Areas & Industries
  • Intellectual Property
  • Appellate
  • Patent Litigation
  • Design Protection
  • Trade Secrets
Joshua P. Smith Counsel

Chicago
Phone: +1 312.840.3231

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
  • Post-Grant Proceedings
Jennifer J. Theis Counsel

Chicago
Phone: +1 312.840.3289

Areas & Industries
  • Intellectual Property
  • Brand & Content Protection
  • Trademark Counseling & Litigation
  • International Trademark
  • International Patent
Fan Cheng Associate

Chicago
Phone: +1 312.840.3276

Areas & Industries
  • Intellectual Property
  • Trade Secrets
  • U.S. ITC Section 337
  • Brand & Content Protection
  • Copyright Counseling & Litigation
Louis Constantinou Associate

Chicago
Phone: +1 312.840.3285

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • Appellate
  • Patent Litigation
  • Pharmaceutical & Biologics Litigation
Jafon Fearson Associate

Chicago
Phone: +1 312.840.3256

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Appellate
  • Patent Litigation
Wei-Chih Hsu Associate

Chicago
Phone: +1 312.840.3265

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

Chicago
Phone: +1 312.840.3253

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Trade Secrets
Mary LaFleur Associate

Chicago
Phone: +1 312.840.3272

Areas & Industries
  • Intellectual Property
  • Intellectual Property Litigation
  • IP Strategy, Prosecution & Portfolio Management
  • Appellate
  • Patent Litigation
Dan Liu Associate

Chicago
Phone: +1 312.840.3267

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Patent Prosecution
  • IP Transactions & Diligence
  • Technology
John Sabacinski Associate

Chicago
Phone: +1 312.840.3243

Areas & Industries
  • Intellectual Property
  • Patent Litigation
  • Patent Prosecution
  • Chemicals
  • Health Care
Michelle Song Associate

Chicago
Phone: +1 312.840.3280

Areas & Industries
  • Intellectual Property
  • Patent Litigation
  • U.S. ITC Section 337
  • Post-Grant Proceedings
  • Brand & Content Protection
Adam D. Sussman Associate

Chicago
Phone: +1 312.840.3229

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Patent Litigation
  • Pharmaceutical & Biologics Litigation
  • Patent Prosecution
Ilhwan (Scott) Yoo Associate

Chicago
Phone: +1 312.840.3297

Areas & Industries
  • Intellectual Property
  • Patent Litigation
  • Post-Grant Proceedings
  • Patent Prosecution
  • Transportation
Sid Bennett Patent Agent

Chicago
Phone: +1 312.321.4808

Areas & Industries
  • Intellectual Property
  • Patent Prosecution
  • Technology
  • Aerospace & Defense
  • Aviation
Jun Cheng, Ph.D. Patent Agent

Chicago
Phone: +1 312.840.3298

Areas & Industries
  • Intellectual Property
  • Technology
  • Retail & Consumer Products
  • Internet of Things (IoT)
  • Medical Devices
Magdalena O. Cilella, Ph.D. Patent Agent

Chicago
Phone: +1 312.245.5398

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Patent Prosecution
  • IP Transactions & Diligence
  • Health Care
Mindy N. Rittner, Ph.D. Patent Agent

Chicago
Phone: +1 312.321.4721

Areas & Industries
  • Intellectual Property
  • IP Strategy, Prosecution & Portfolio Management
  • Global IP Law
  • Patent Prosecution
  • Transportation
Youngfeng (Eric) Ruan Scientific Advisor

Chicago
Phone: +1 312.840.3259

Areas & Industries
  • Intellectual Property
  • Patent Prosecution
  • Digital Health/MedTech
  • Digital Transformation and Technology
  • Medical Devices