The Klintworth & Rozenblat IP all-star team of attorneys each have partner-level experience in various fields of intellectual property law. Having graduated from top-tier universities and having hailed from some of the most renowned law firms in the country, they are well-equipped to handle your intellectual property needs.
Join Our Team.
Learn About Our All-Star Team.
Attorneys & Professionals.
All-Star Team Members:
Christopher D. Agnew, Esq.
Partner
Mr. Agnew has over twenty years of experience in the field of intellectual property, focusing on international prosecution and portfolio management of patent applications in the high-tech areas of electrical engineering and software.
773.572.5545
Chad C. Anderson, Esq.
Of Counsel
Mr. Anderson has almost twenty years of experience in the field of intellectual property, including patent and trademark rights procurement and related IP asset management, enforcement, and defense in the electrical and mechanical arts.
408.827.3304
Riyaz M. Asaria
Master Patent Agent
Mr. Asaria has over twenty years of experience in IP, focusing his practice patent prosecution and analysis in a variety of software, electrical, mechanical, and electro- mechanical areas, and understanding our clients' needs.
630.286.7632
John M. Behles, Esq.
Of Counsel
John Behles is an accomplished attorney with 20 years of success in the legal industry, specializing in intellectual property law and specifically in patent law.
918.740.0861
Matthew Boots
Patent Agent
Mr. Boots has years of in the intellectual property law field, focusing his practice primarily on the preparation and prosecution of patent applications in the computer science, medical device, and mechanical arts.
224.534.6555
Michael K. Bosworth, Esq.
Of Counsel
Mr. Bosworth has decades of experience in IP, focusing his practice on counseling clients, including obtaining trademark registrations, policing trademarks worldwide, and preparing and prosecuting patent applications in chemical and mechanical arts.
408.827.3303
Daniel W. Celander, Ph.D.
Of Counsel
Dr. Celander has over 30 years of experience in the IP field, initially as an innovator and subsequently as a patent attorney. He focuses his patent practice on biotechnology, medical devices, & biologics, in addition to handling trademarks & copyrights.
773.345.8800
Eric D. Cohen, Esq.
Partner
Mr. Cohen has over twenty-five years of experience in the intellectual property field. Mr. Cohen focuses his patent practice primarily in the electrical, computer science, and mechanical arts, in addition to handling trademarks and copyrights.​
773.966.2768
Gary R. Gillen, Esq.
Partner
Mr. Gillen has practiced intellectual property law for over 20 years. His practice focuses on complex patent prosecution, portfolio management, product clearance, patent related opinions, and intellectual property litigation.


630.286.7624
Charlie Green, Esq.
Partner
Mr. Green has over seven years of experience in the field of intellectual property plus seventeen years of experience in engineering, primarily focusing on preparation and prosecution of patents in the computer science and electrical arts.
773.572.5585
William Greener, Esq.
Of Counsel
Mr. Greener has practiced patent law for over 25 years and has been extensively involved in world-wide patent prosecution for his clients. Mr. Greener concentrates his practice in patent prosecution, legal opinions, and strategic IP counseling.
408.827.3308
Timothy K. Klintworth, Esq.
Partner
Mr. Klintworth is co-founder of Klintworth & Rozenblat IP. He has over twenty years of experience as an IP attorney, with a focus primarily in the computer science, mechanical, and electro-mechanical arts, in addition to handling trademarks & copyrights.​
773.570.3332
Justin Leach, Esq.
Of Counsel
Mr. Leach has over 14 years experience in IP law, including patent and trademark rights procurement and related IP asset management, enforcement, and defense, focusing on the preparation and prosecution of patent applications.​
408.827.3307
William E. McCracken, Esq.
Senior Counsel
Bill’s career spans more than 40 years assisting companies in identifying, protecting, and exploiting their technologies and proprietary processes. Bill has focused his intellectual property practice on patent, trade secret, and trademark litigation.
630.286.7620
Sun Pae, Esq.
Partner
Ms. Pae has over seventeen years of experience in intellectual property. She is passionate about helping clients establish and protect their intellectual property rights in the United States and abroad.
773.345.8794
Linda L. Palomar, Esq.
Of Counsel
Ms. Palomar has over twenty years of experience in intellectual property, focusing her patent practice primarily in the mechanical and electro-mechanical arts, in addition to handling trademarks and copyrights.
773.345.8808
Enrique Perez, Esq.
Of Counsel
Mr. Perez has almost twenty five years of experience with copyrights, patents and trademarks and related IP asset management, enforcement and defense, focusing his patent practice in the mechanical and electrical arts.
773.345.8794
Robert Reynolds, Esq.
Senior Counsel
Mr. Reynolds has served as an intellectual property attorney since 2013 and focuses his practice on developing and protecting his client’s IP portfolios, including securing and obtaining licenses for trademarks, copyrights, and related technology.
773.770.2554
David Rozenblat, Esq.
Partner
Mr. Rozenblat is a co-founder of Klintworth & Rozenblat IP. He has over twenty years of IP experience, focusing his patent practice primarily in the computer science, electrical, and mechanical arts, in addition to handling trademarks & copyrights.
773.570.3331
Jeff Steck, Esq.
Partner
Mr. Steck has a quarter-century of experience in the patent field. With a background in physics and a drive to understand new technologies, he helps clients patent their inventions in a wide variety of fields.
773.572.5070
J. Steven Svoboda, Esq.
Of Counsel
Mr. Svoboda has over nineteen years of experience in the field of intellectual property, including patent and trademark rights procurement and related IP asset management, enforcement, and defense.
510.827.5771
Charles Warren, Esq.
Of Counsel
Mr. Warren's extensive experience as an intellectual property attorney provides him with the ability to understand complex IP matters and provide proactive legal advice over a wide range of technologies.
773.345.8807
Steven J. Wietrzny, Esq.
Partner
Mr. Wietrzny has over twenty years of experience in intellectual property, including copyrights, patents & trademarks & related IP asset management, enforcement & defense, focusing his patent practice in the mechanical and electro-mechanical arts.