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Charlie Green, Esq.


direct: 773.572.5585  main: 773.570.3330  fax: 773.570.3328  

Practice Groups & Technologies: Patent Prep & Prosecution; Computers, Software, & Business MethodsElectronics, Semiconductors, & Optics;

Office: Chicago


Mr. Green is a partner at Klintworth and Rozenblat IP. Mr. Green has over seven years of experience in intellectual property law plus seventeen years of experience in hardware and software engineering. Mr. Green’s intellectual property practice primarily focuses on preparation and prosecution of patent applications in the computer science and electrical arts, including both hardware and software. Mr. Green counsels clients on their intellectual property portfolio, including preparation and prosecution of applications, such as responses to office actions and after final practice. Clients appreciate Mr. Green's ability to leverage his extensive engineering background to help understand the engineering aspects of patent applications and turn technological discoveries into valuable U.S. and international patent rights.


Mr. Green has prepared and/or prosecuted over 100 patent application families, and separately has engineering experience, in a broad spectrum of technologies. Representative technologies include: Audio and Video Equipment; Augmented Reality / Mixed Reality / Virtual Reality (AR / MR / VR); Automotive Products; Computer Architecture; Computer Hardware; Computer Software; Construction Test Devices; Consumer Electronics; Hardware and Tools; Kitchen and Laundry Appliances; Telecommunications; Video Display Systems; and Wireless Communications

Prior to joining Klintworth and Rozenblat IP, Mr. Green was with the law firm Invention Mine LLC. Before law school, Mr. Green worked on hardware, firmware, and/or software for companies such as Motorola, General Dynamics, and suppliers to Whirlpool, Maytag, and Wolf, et al.


Mr. Green represents a wide variety of clients, ranging from Fortune 500 companies, universities, and high-tech start-ups to small businesses and individual inventors. Representative clients include:

■ Represents one of the country’s largest patent holders for wireless (cellular) telecommunications equipment. Representation includes preparation and prosecution of patent applications in varying technologies, such as hardware and/or software for: navigation technologies, multimedia audio/video streaming, augmented reality / mixed reality / virtual reality (AR / MR / VR), video display systems.


■ Represented a telecommunications radio supplier. Representation included preparation and prosecution of patent applications.


 Represented a small company in the financial products industry. Representation included preparation and prosecution of patent applications, including obtaining multiple patents for financial software.


■ Represented a professor in the telecommunications antenna arena. Representation included preparation and prosecution of patent applications.


■ Represented a telecommunications accessory company. Representation included prosecution of patent applications.


 Represented a start-up in the healthcare / medical equipment industry. Representation included preparation and prosecution of patent applications.


■ 2014 Patent Law Decisions on Key Issues at the Federal Circuit, 64 Am. U. L. Rev. 735 (2015) American University Law Review · June 8, 2015.

 CLS Bank v. Alice Corp.: What Does It Mean For Software Patent Eligibility?, 13 J. Marshall Rev. Intell. Prop. L. 601 (2014) John Marshall Review of Intellectual Property Law · June 5, 2014


■ University of Illinois - Chicago School of Law, J.D., 2016

■ University of Michigan – Ann Arbor, M.S.E., Electrical Engineering: Systems, 1994

■ University of Michigan – Ann Arbor, B.S.E., Electrical Engineering, 1993 (Cum Laude)



■ Invention Mine LLC

■ Niro Haller & Niro

■ Beem Patent Law Firm


■ Admitted to practice law before the Supreme Court of Illinois
■ Registered Patent Attorney before the U.S. Patent and Trademark Office

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