James L. Korenchan

P: 312.913.3380
F: 312.913.0002

James L. Korenchan is an associate with McDonnell Boehnen Hulbert & Berghoff LLP. He has over five years experience drafting and prosecuting patent applications in various technical fields, with a specialty in the areas of electrical engineering and computer hardware and software. Mr. Korenchan’s patent prosecution experience includes all phases of U.S. and foreign patent prosecution, client counseling, and advice regarding validity, infringement, and enforceability of patents.

Mr. Korenchan has advised a variety of clients (including Fortune 500 companies) that span a diverse range of technologies. Examples of Mr. Korenchan’s technical experience in the electrical engineering and computer hardware and software fields relate to mobile apps and operating systems, wearable computing devices, telecommunications, digital map and vehicle navigation, robotic control, speech recognition, media production and broadcasting systems, and consumer electronics. Examples of Mr. Korenchan’s technical experience in the mechanical and materials fields relate to kinematic robotic designs, automotive diagnostics, automotive design, and antenna design.

Mr. Korenchan joined MBHB in 2012 as a technical advisor/patent agent, and prepared and prosecuted patent applications. He attended law school evening classes while maintaining his full-time position at the firm. 


Prior to joining MBHB, Mr. Korenchan worked as an associate engineer at an automotive company in the Chicago metropolitan area, putting to use his mechanical and electrical engineering skills in several departments to execute projects relating to engine control systems, current product support, and reliability. Mr. Korenchan also has experience working as a systems engineering intern at a telecommunications equipment company to evaluate various application lifecycle management platforms.

Mr. Korenchan has been actively involved in the Boy Scouts of America since 1995, and attained the rank of Eagle Scout in 2006. He has also been involved in other community projects and initiatives including the Habitat for Humanity Work Tour and Relay for Life (an American Cancer Society benefit).

Published Articles

Pre-AIA And Post-AIA Issues Presented By The On-Sale Bar,” Law360.com, August 11, 2016


PTAB Bar Association


Spring 2016 (snippets)
The “on-sale” bar to patentability refers to a sale or offer for sale of an invention that can invalidate the patent for that invention. The America-Invents-Act (AIA), which altered the language in the statutes that apply to the on-sale bar, has made it difficult to determine what actions might constitute a “sale” or an “offer for sale” under current law. Nevertheless, a clear understanding of the on-sale bar is necessary to enable entities of all sizes—from single inventors to large corporations—to effectively monitor activities surrounding their inventions, and to enable attorneys to provide such entities with accurate and useful advice.
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