Darin Klemchuk



J.D., Vanderbilt University School of Law, 1997

B.S. Mechanical Engineering, University of Washington, 1990

Practice Areas

  • Intellectual property litigation
  • Business and commercial litigation
  • Intellectual property licensing and counseling
  • Patent, trademark, and copyright prosecution counseling
  • Local counsel for IP and commercial litigation matters
  • Virtual IP Counsel
  • Internet and eCommerce
  • Software and Copyrights

Darin Klemchuk, the firm’s founder and managing partner, focuses on all aspects of intellectual property with emphasis on patent, trademark, copyright, and trade secret litigation.  He has handled more than 200 intellectual property disputes, including over 25 patent infringement cases.  His practice includes assisting companies to increase their market share and protect their competitive advantage by identifying and protecting valuable branding, technological innovation, software, and other property; and by procuring patent, trademark, and copyright restrictions and through employment agreements and non-compete agreements.  He also advises clients on licensing, acquisitions, due diligence, and eCommerce, including branding in cyberspace and trademark issues related to the Internet.  In addition, he also assists clients in recovering domain names taken by cyber-squatters. Darin represents Fortune 500 corporations, growing companies that benefit from broad intellectual property counseling, and startup companies.  Darin also offers to serve as Virtual General Counsel and Virtual IP Counsel for companies without in-house counsel. Darin also has significant experience litigating commercial and business disputes, including non-compete, partnership, fiduciary duty, and breach of contract disputes.  He has also represented a number of clients in obtaining and resisting requests for injunctive relief in cases involving non-competes, trade secrets, trademarks, and patents. Serving as local counsel to out-of-state parties involved in patent, trademark, copyright, IP and commercial litigation in state and federal courts in Dallas, Texas and the Northern and Eastern District of Texas federal courts. Darin’s practice includes representing both plaintiffs and defendants. Darin earned a J.D. from Vanderbilt University School of Law and a Bachelor of Science degree in mechanical engineering from the University of Washington. Contact Darin Klemchuk at Darin.Klemchuk@klemchuk.com.

Master, Honorable Barbara M.G. Lynn American Inn of Court (Intellectual Property), 2012-present

Internet Law Leadership Summit, 2011-present

Institute for Justice, Human Action Network member

Core24 Inc. member (exclusive network of Dallas-Fort Worth professional service providers), selected for the firm’s track record 2009-present

Managing Partner Forum, 2014

Managing Partner Forum, Leadership Academy, 2015

Vistage, Member, 2014-present

Entrepreneur’s Organization (EO), Member, 2012-2015

Fifth Circuit Court of Appeals, 2002

United States Patent and Trademark Office, 2001

U.S. District Court, Southern District of Texas, 1999

U.S. District Court, Eastern District of Texas, 1999

U.S. District Court, Western District of Texas, 1998

U.S. District Court, Northern District of Texas, 1997

State of Texas, 1997

“2013 Top Rated Lawyer in Intellectual Property Law”, 2013, American Lawyer Media

Dallas Business Journals’  “Best Places to Work,” Dallas Business Journal, 2010, 2011

“Best Lawyers- Intellectual Property,” named by D Magazine, 2006-2015

“Best Lawyers Under 40,” named by D Magazine 2002, 2006

“Rising Stars Under 40,” , 2004, 2005, 2006, 2008, a Thomson Reuters service

“Super Lawyer,” 2008-2015, a Thomson Reuters service

“Top Attorney’s in Texas,” 2008, 2009, a Thomson Reuters service

2010 Fellow, Texas Bar Foundation

“Counteracting Copyright and Trademark Infringement Online”, Entrepreneur.com, March 2014

“Background of Secondary Trademark Liability on the Internet”, the Business Edge, February 2014

“A Guide to Intellectual Property”, IPN Bootcamp, September 2013

“Avoiding the Legal Risks Associated with Running or Using Social Media Sites,” Aspatore Special Report- Navigating the Legal Issues Surrounding Social Media, 2012

“Secondary Liability for Trademark Infringement and the Online Space,” State Bar of Texas, 2012

“Brand Enforcement on Social Networking Sites,” State Bar of Texas, March 2010

“Pre-Suit Investigations in Infringement Cases,” Texas Lawyer, February 2008

“Investigate Before Litigating,” Executive Legal Advisor, January 2008

“Software Copyright Infringement and Enforcement,” presentation to Dallas Bar Association Computer Law Section, April 22, 2002

Fifth Circuit Survey (June 1997-May 1998), Intellectual Property Law, Texas Tech Law Review, Vol. 30, September 1999

Klemchuk LLP, Founder, 2009-present

Cash Klemchuk Powers Taylor LLP, Partner,  2004-2009

Thompson & Knight LLP, Associate, 1997-2004

The Boeing Company, Systems Engineer, 1990-1994

U.S. Army National Guard, Non-Commissioned Officer, 161st Infantry Regiment, Honorable Discharge, 1999