About Justin

Domestic and international patent counsel for broad range of products

Justin DeAngelis assists clients with their domestic and international patent portfolios, including patent preparation and prosecution, freedom-to-operate analyses and infringement analyses for design and utility patents. He is a well-established member of the design patent bar, having prosecuted hundreds of U.S. design patent applications in a wide variety of product categories. He also regularly:

  • Counsels domestic and foreign clients on design rights and develops sophisticated design patent filing strategies.
  • Advises on proper filing strategies while providing protections in cases where analysis points to infringement by competitors.
  • Prepares, files and prosecutes utility patent applications, with direct knowledge in a variety of manufacturing and consumer product sectors.

With a mechanical engineering degree as his foundation, clients find Justin's technical training to be a strong complement to his legal knowledge.

Professional Recognitions

  • Listed in Best Lawyers in America® "Ones to Watch" (2021, 2022, 2023 Intellectual Property Law)
  • Selected for inclusion in Illinois Super Lawyers®– Rising Stars Edition (2020-2023: Intellectual Property)
  • Recipient of USPTO Patent Pro Bono Achievement Certificate (2017)

Professional & Civic Activities

  • American Intellectual Property Law Association (Chair, 2021-Present – Prosecution & Practice Subcommittee of the Industrial Design Committee; Chair, 2018-2020 – International Policy & Practice Subcommittee of the Industrial Design Committee)
  • Intellectual Property Law Association of Chicago (Co-Chair, 2019-Present;
    Co-Vice-Chair, 2018 – Young Members’ Committee)
  • Chicago Bar Association (Chair, 2017; Co-Vice-Chair, 2016 and 2018 – Intellectual Property Law Committee)
  • Kettle Moraine Land Trust (Board of Directors, 2018-Present)
  • Submissions Editor for the Journal of Intellectual Property (2014-2015)

  • Judicial extern for a U.S. District Court Judge in the Northern District of Illinois (2014-2015)

  • Legislative intern for a U.S. Congressman (2013)

News & Insights

Education

Bar Admissions

Court Admissions

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