Daniel C. Roth

Daniel C. Roth

Direct: 312.987.2913
Office: Chicago

International IP
Trade Secrets


B.S., Chemical Engineering
B.S., Biological Sciences

Missouri University of Science and Technology

J.D., Chicago-Kent College of Law

Daniel is a patent attorney at Greer, Burns & Crain in Chicago.  A former chemical engineer, Mr. Roth’s legal practice at GBC focuses primarily on U.S. and international patent preparation and prosecution with a concentration in the fields of chemistry and chemical engineering.  Mr. Roth also has significant experience in preparation and prosecution of patent applications for aircraft fuselage structures, stadium seating, turbofan engines, intermodal freight equipment, optical waveguides, and satellite deployment systems, to name a few.

Mr. Roth’s intellectual property legal experience also involves all aspects of intellectual property enforcement and litigation.  In addition to his litigation experience in Federal Court, Dan has experience representing and counseling clients in post grant matters such as inter partesreview (IPR) proceedings before the Patent trial and Appeal Board (PTAB). He works regularly with clients to implement strategies for patent procurement and enforcement.  Mr. Roth also has significant experience with due diligence and opinion work regarding patentability, freedom-to-operate, infringement, and patent validity.

During law school, Mr. Roth worked as a judicial extern for the Honorable Amy J. St. Eve in the U.S. District Court for the Northern District of Illinois and as an extern at the United States Patent & Trademark Office.

Mr. Roth received his J.D. from Chicago-Kent College of Law.  Prior to law school, he was awarded a B.S. (Chemical Engineering) from Missouri University of Science and Technology.  He also worked as a Chemical Engineer for the Archer Daniels Midland Company where he managed various refinery processes in the BioProducts Division.


  • U.S. and Foreign Patent Prosecution
  • Opinions on Patent Infringement, Validity, and Enforceability
  • Patent Litigation
  • U.S. Trademark Prosecution
  • Trademark Litigation

Professional Affiliations

  • American Institute of Chemical Engineers (AIChE)
  • Intellectual Property Law Association of Chicago (IPLAC) – co-chair of CLE committee

 Example Technical Fields

  • Aerospace communication systems
  • Aircraft components
  • Chemical Coatings
  • Chemical Compositions
  • Chemical Processes
  • Confectioneries
  • Detergents
  • Ink compositions
  • Inkjet Printing Technology
  • Medical Devices
  • Monitor arms
  • Printable Circuits
  • Renewable Polymers
  • Product Packaging
  • Satellite deployment systems
  • Sports Equipment
  • Stadium Seating
  • Turbofan engines

Bar Memberships

  • United States Patent and Trademark Office
  • Supreme Court of the State of Illinois
  • United States District Court for the Northern District of Illinois
  • United States District Court for the Western District of Michigan
  • United States District Court for the Northern District of Texas