Aaron R. Feigelson, Ph.D.

Associate

Dr. Feigelson practices in a variety of areas within patent and intellectual property law. His work has included litigation, drafting opinions of counsel, performing transactional IP due diligence, and preparing and prosecuting patent applications. He practices across several fields and industries, including financial services and electronic communications, with a particular emphasis in the computer software arts and business methods, and with clients ranging from Fortune 100 to startup. He has litigated cases involving patents, trademarks and trade secrets, and has represented clients in a number of matters involving the Computer Fraud and Abuse Act and the Stored Communications Act.

After receiving his doctorate, Dr. Feigelson worked as a management consultant in the telecommunications and financial services industries. Prior to joining Leydig, Voit & Mayer, Ltd. in 2003, he worked as an associate at the Boston law firm of Testa, Hurwitz & Thibeault.

Professional Affiliations

• American Intellectual Property Law Association (AIPLA)
• Chicago Bar Association
• American Bar Association
• Intellectual Property Law Association of Chicago (IPLAC)
• The Decalogue Society
• Association for Computing Machinery
• Intellectual Property Owners Association (IPO)

Articles and Publications

• Quoted in “Abbott Labs suit could lessen blow of $1.7 billion verdict,” Chicago Tribune, July 1, 2009

Honors

• Named in the Illinois Rising Stars list, as published in Illinois Super Lawyers, 2010

Representative Matters

• FAIP North America, Inc. v. Sistema s.r.l. et al., 05-CV-4002 (N.D. Ill.) – Represented victim of federal computer crimes.
• In re Ronald A. Katz Technology Licensing, L.P, 07-ML-1816 (C.D. Cal.) – Represented multiple defendants in multi-district litigation alleging patent infringement of interactive call processing technology.
• Illinois Tool Works, Inc. v. Alcoa Inc. et al., SA-04-CA-1110-XR (W.D. Tex.) – Represented plaintiff in patent and trademark infringement suit involving reclosable bag technology.
• United States Gypsum Co. v. Lafarge N.A., et al., 03-CV-6027 (N.D. Ill.) – Represented plaintiff in case alleging patent infringement, trade secret misappropriation and violations of federal computer statutes.

Bar Admissions and Registrations

• Illinois, 2003
• Registered to practice before the U.S. Patent and Trademark Office
• Massachusetts, 2002

Courts

• U.S. District Court for the District of Massachusetts
• U.S. District Court for the Northern District of Illinois

Languages

• Hebrew

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