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Greensfelder expands intellectual property practice in Chicago with addition of attorney Todd S. Parkhurst

The law firm Greensfelder, Hemker & Gale, P.C. is pleased to announce that attorney Todd S. Parkhurst has joined the firm as Of Counsel and a member of the Intellectual Property Practice Group in Chicago.

Most recently a partner with Hughes Socol Piers Resnick & Dym, Ltd., in Chicago, Mr. Parkhurst has more than 40 years of experience in litigation, transactions and counseling in patent, trademark, copyright and trade secret law. Previously, he created and led the intellectual property practices in Chicago at the law firms Jenner & Block, Schiff Hardin and Holland & Knight LLP. 

“Todd is a great addition to our Chicago office and Greensfelder’s team of highly skilled intellectual property attorneys,” said David B. Goodman, Managing Officer of Greensfelder’s Chicago office. “Todd not only brings decades of experience in litigation, transactions and counseling, but he also has a proven track record of leadership that will help us continue to grow our Chicago office and enhance our services to clients throughout the Midwest and the nation.”

Mr. Parkhurst has handled IP litigation involving computer software, video games, hand and machine tools, electronic lighting controls and numerous other devices. His copyright infringement litigation experience includes games, books, financial transactions software and illegal movie downloads.

Mr. Parkhurst has registered hundreds of trademarks and prepared numerous use and infringement opinions. He is experienced in opposition, cancellation and concurrent-use proceedings and has represented publishing companies in all phases of copyright and related matters. He also has extensive experience prosecuting patent applications and handling all subsequent solicitation activity in diverse technology areas, including all corresponding foreign patent prosecution. He is familiar with European Patent Convention and Patent Cooperation Treaty prosecution and has authored numerous infringement opinions.

Mr. Parkhurst’s counseling and transactions work has included complex license negotiations and preparation of patent, trade secret and know-how, trademark, and other licenses and agreements. He also has negotiated and prepared intellectual property transfers in a number of corporate acquisitions, mergers and divestitures.

Mr. Parkhurst earned his law degree from the University of Pennsylvania and he holds a Bachelor of Science from the University of Illinois at Urbana-Champaign.

Greensfelder Hemker & Gale, PC, founded in 1895, is a full-service law firm with offices in Chicago, St. Louis and Belleville, Ill. The firm’s attorneys provide clients locally, nationally and internationally with comprehensive legal solutions in areas including communications and media, construction, corporate, creditor's rights and bankruptcy, educational, religious and tax-exempt organizations, employee benefits, environmental, franchising & distribution, health care, immigration, intellectual property and technology, labor and employment, litigation, real estate, tax, and trusts and estates. Find out more at

Posted on December 13, 2016 by Morgan Yingst
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